Cotulla La Salle County, TX Climate: Temperature & Rain by Month
Pulled from NOAA NCEI 1991–2020 normals →: climate measurements used in PlainClimate's documented score
- Warmer national band · Avg annual temp
- 73°FAnnual mean temperature: 73.0°F. National station-mapped location corpus median: 52.2°F across 6,861 measured records.
- Upper score band · Comfort score
- 96/100PlainClimate Comfort Score: 96/100. National station-mapped Comfort Score corpus median: 64/100 across 6,189 measured records.
- Drier than median · Annual precip
- 21.7"Annual precipitation: 21.7 inches. National station-mapped location corpus median: 36.2 inches across 6,352 measured records.
- Long-season national band · Growing season
- 295dFrost-free growing season: 295 days. National station-mapped location corpus median: 180 days across 6,446 measured records.
30-year climate normals (1991-2020) from Cotulla La Salle County's primary NOAA station, COTULLA LA SALLE CO AP.
The climate verdict for Cotulla La Salle County
Warm-season cooling demand defines Cotulla La Salle County, Texas, running at more than twice its heating total. The NOAA normal records an annual average of 73°F. It scores 96/100 for climate comfort (excellent), putting it in the top third of station-mapped location scores and exceeding 96% of them.
- 73°F
- annual average temperature (NOAA normal)
- 96/100
- comfort score, above 96% of station-mapped location scores
- 21.7"
- precipitation, annual total
- 295 days
- growing season, frost-free days
Based on NOAA U.S. Climate Normals (1991–2020) - 30-year averages describing the typical year, not a forecast.
Avg Temperature
73°F (23°C)Annual mean temperature: 73.0°F. National station-mapped location corpus median: 52.2°F across 6,861 measured records.
Warmer national band
Avg High
85°FAnnual average daily high: 85.2°F. National station-mapped location corpus median: 63.8°F across 6,861 measured records.
Warmer national band
Avg Low
61°FAnnual average daily low: 60.9°F. National station-mapped location corpus median: 41.1°F across 6,861 measured records.
Warmer national band
Annual Precip
21.7"Annual precipitation: 21.7 inches. National station-mapped location corpus median: 36.2 inches across 6,352 measured records.
Drier than median
Comfort Score
96/100PlainClimate Comfort Score: 96/100. National station-mapped Comfort Score corpus median: 64/100 across 6,189 measured records.
Upper score band · Excellent
Cotulla La Salle County sits in Texas, the #4 hottest U.S. state at 66.2°F statewide annual average - see all 50 hottest states ranked by NOAA normals
Climate Living Index · model supports three NOAA data products
Cotulla La Salle County's broader climate profile: 66/100
A percentile-benchmarked model across annual, daily, and hourly climate normals. This record uses 2 measured NOAA products; every input remains inspectable.
PlainClimate-derived, not an official NOAA rating. This separate index does not replace the established Comfort Score used in rankings, and it is not a verdict on safety, health, housing, culture, or overall quality of life.
-
Annual temperature balance
73.0°F · 5.5° from 67.5°F
83/100 B · weight 25%Distance from a 67.5°F annual mean; smaller is better.
NOAA annual/seasonal normals ·
ANN-TAVG-NORMAL -
Precipitation balance
21.7 in · 13.3 from 35 in
53/100 D · weight 15%Distance from 35 annual inches; smaller is better.
NOAA annual/seasonal normals ·
ANN-PRCP-NORMAL -
Snowfall burden
Not measured
N/A N/A · weight 10%Not scored; its 10% weight redistributes across measured dimensions.
Annual snowfall; lower is better in this formula.
NOAA annual/seasonal normals ·
ANN-SNOW-NORMAL -
Frost-free season
295 days/year
100/100 A · weight 10%Days between NOAA 50% spring and fall freeze dates; longer is better.
NOAA annual/seasonal normals ·
ANN-TMIN-PRBLST-T32FP50 + ANN-TMIN-PRBFST-T32FP50 -
Normal heat + freeze calendar
153 calendar days
44/100 D · weight 25%Normal high ≥90°F days plus normal low ≤32°F days; lower is better.
NOAA daily multivariate normals ·
DLY-TMAX-NORMAL + DLY-TMIN-NORMAL (derived counts) -
Summer moisture balance
Not measured
N/A N/A · weight 15%Not scored; its 15% weight redistributes across measured dimensions.
June–August mean dew point distance from 52.5°F; smaller is better.
NOAA hourly normals ·
HLY-DEWP-NORMAL
Live national benchmark table and calculation
Each raw metric is linearly interpolated across its live p10, p25, p50, p75, and p90 breakpoints. Equal-valued breakpoints collapse to their mean percentile; values outside p10-p90 extrapolate toward 0 or 100 using the nearest non-flat segment, then clamp to that range. Scores favor the direction shown, then combine by the listed weights. Missing dimensions are removed from both the weighted sum and available weight before normalization.
| Dimension | Weight | Better | p10 | p25 | p50 | p75 | p90 | n |
|---|---|---|---|---|---|---|---|---|
| Annual temperature balance | 25% | Lower | 3.4 | 7.9 | 15.3 | 21 | 25.2 | 6,861 |
| Precipitation balance | 15% | Lower | 2.7 | 7.1 | 14.2 | 20.9 | 25.7 | 6,352 |
| Snowfall burden | 10% | Lower | 0 | 2.1 | 18.9 | 42.7 | 69.8 | 4,098 |
| Frost-free season | 10% | Higher | 127 | 150 | 180 | 215 | 253 | 6,446 |
| Normal heat + freeze calendar | 25% | Lower | 56 | 102 | 145 | 180 | 207 | 6,859 |
| Summer moisture balance | 15% | Lower | 2.7 | 6.1 | 9.3 | 14.8 | 18.4 | 417 |
Grades: A 85–100 · B 70–84 · C 55–69 · D 40–54 · F below 40.
Established ranking Comfort Score: 96/100 · inspect its separate fixed-point formula
This legacy score keeps the rankings stable. It uses annual/seasonal normals only; unlike the Climate Living Index above, it is not percentile-scored per dimension.
- Temperature mildness73.0°F annual mean40/40 points
- Precipitation moderation21.7 inches/year30/30 points
- Snow burdenNot measuredN/A · weight removed
- Frost-free season295 days/year12/15 points
82/85 available points → 96/100. Full Comfort Score method.
Source: NOAA NCEI U.S. Climate Normals v1.0.1 (1991–2020). This record uses NOAA annual/seasonal normals and NOAA daily multivariate normals; the model also supports hourly normals where published · data updated 2026-08-04. Full methodology and limits.
How Cotulla La Salle County compares with its closest stations
Against the 6 closest stations in the record, Cotulla La Salle County averages 73°F a year, warmer than Dilley, TX (71°F) and Fowlerton, TX (71°F). On comfort score it places 5 of 7 in that local group.
Corpus-relative placement
Where Cotulla La Salle County sits across the climate record
These comparisons place this primary-station normal among station-mapped locations with the same NOAA 1991–2020 fields.
- Annual temperature
- Warmer than 97%
- of 6,861 measured location normals.
- Annual precipitation
- Wetter than 30%
- of 6,352 measured location normals.
- Seasonal temperature swing
- Larger than 12%
- of 6,861 complete location-year normals.
How Cotulla La Salle County compares across U.S. station-mapped locations
Cotulla La Salle County's comfort score vs. all station-mapped locations
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
96 Top 4% score exceeds 96% of 6,189 station-mapped location scores
- 0–10: 0 station-mapped locations (0%). Below this entry.
- 10–20: 0 station-mapped locations (0%). Below this entry.
- 20–30: 96 station-mapped locations (2%). Below this entry.
- 30–40: 280 station-mapped locations (5%). Below this entry.
- 40–50: 1,113 station-mapped locations (18%). Below this entry.
- 50–60: 1,329 station-mapped locations (21%). Below this entry.
- 60–70: 1,236 station-mapped locations (20%). Below this entry.
- 70–80: 650 station-mapped locations (11%). Below this entry.
- 80–90: 921 station-mapped locations (15%). Below this entry.
- 90–100: 564 station-mapped locations (9%). This entry sits in this band.
Source NOAA U.S. Climate Normals, PlainClimate comfort index · 1991–2020
Cotulla La Salle County's measured station temperature trend
MethodologyAcross 40 complete annual observations from 1950 to 2025, COTULLA LA SALLE CO AP warmed at a fitted rate of 0.15°C per decade. The line shows the fitted change relative to its first year, not raw year-to-year temperatures or a forecast.
- Cotulla La Salle County primary station fitted change +0.15 °C/decade
Monthly Temperatures
Average daily high and low temperatures by month
| Month | Avg High | Avg Low | Mean | Precip | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|
| January | 67°F (20°C) | 44°F (7°C) | 56°F (13°C) | 0.8" | 3.9 | 0.2 |
| February | 74°F (23°C) | 48°F (9°C) | 61°F (16°C) | 1.3" | 1.9 | 1.5 |
| March | 80°F (27°C) | 55°F (13°C) | 67°F (20°C) | 1.6" | 0.4 | 4.6 |
| April | 86°F (30°C) | 61°F (16°C) | 73°F (23°C) | 1.3" | 0.0 | 11.7 |
| May | 93°F (34°C) | 69°F (20°C) | 81°F (27°C) | 3.0" | 0.0 | 22.2 |
| June | 98°F (37°C) | 74°F (23°C) | 86°F (30°C) | 2.2" | 0.0 | 28.4 |
| July | 99°F (37°C) | 75°F (24°C) | 87°F (31°C) | 2.3" | 0.0 | 29.1 |
| August | 100°F (38°C) | 75°F (24°C) | 88°F (31°C) | 1.7" | 0.0 | 30.2 |
| September | 94°F (34°C) | 71°F (22°C) | 82°F (28°C) | 3.0" | 0.0 | 22.9 |
| October | 87°F (30°C) | 63°F (17°C) | 75°F (24°C) | 2.4" | 0.0 | 13.6 |
| November | 76°F (24°C) | 52°F (11°C) | 64°F (18°C) | 1.1" | 0.6 | 1.5 |
| December | 69°F (20°C) | 45°F (7°C) | 57°F (14°C) | 1.0" | 3.1 | 0.1 |
The year, day by day
The year in Cotulla La Salle County runs from a mild 43°F around January 1 to 101°F at the peak near August 6, and the normal low never reaches freezing on any date in the record.
When the heat sits
Normal highs reach 90°F from May 5 through October 4, covering 153 dates. The broader mild season, normal highs of 70°F or more, runs February 1 to December 7.
This counts calendar dates whose 1991–2020 normal high reaches 90°F. It is a smaller number than the 90°F+ day counts in the monthly table above, which measure how often the threshold was actually crossed in a typical year. A date can average 88°F and still exceed 90°F in half of all years.
No freezing date
Not one calendar date in the 1991–2020 record carries a normal low at or below 32°F. The coldest normal low of the year is 43°F around January 1.
Where the wet dates fall
The likeliest wet date is September 9, when 22% of years recorded at least a hundredth of an inch. The driest is August 6 at 12%. Summed across the calendar, that is about 65 wet dates a year.
The widest day
August 6 carries the biggest normal gap between afternoon and dawn, 26°F between the normal high and the normal low.
Look up any date
Any date's 1991–2020 normal for Cotulla La Salle County.
Where Cotulla La Salle County Stands Nationally
Summers here run among the most heat-heavy normals calendars in the country: on about 153 days a year the normal daily high itself reaches 90°F — a count fewer than one station in ten exceeds.
Standing computed against the distribution of 6,860 NOAA 1991–2020 normals stations in the PlainClimate database; only nationally notable standings are shown.
Monthly Precipitation
Average monthly rainfall
6.1 days with precipitation
5.7 days with precipitation
5.4 days with precipitation
4.9 days with precipitation
6.3 days with precipitation
4.8 days with precipitation
5.9 days with precipitation
3.5 days with precipitation
7.1 days with precipitation
4.6 days with precipitation
4.4 days with precipitation
6.0 days with precipitation
Cotulla La Salle County spreads its precipitation across the year
Neither half of the year dominates here: June through August take 28% of the annual total and December through February 14%, with neither reaching the 35% that would mark a distinct wet season. Cotulla La Salle County has no dry season to plan around, though it does carry a 32°F seasonal spread.
The gap between the wettest and driest month still matters: May averages 3.0" and January 0.8". The three wettest months together take 39% of the year, against the 25% a perfectly flat distribution would give them.
Shares are computed from this station's own 1991-2020 monthly precipitation normals. "Spread across the year" means neither the June-August nor the December-February share reaches 35%; it describes an average year, not the variability of any single one.
How Cotulla La Salle County's precipitation splits across the calendar
About 65 days a year record measurable precipitation here, carrying 21.7" between them, or roughly 0.34 inches on a typical wet day. That sits in the middle band: neither the many-light-days pattern of the Pacific Northwest and the Great Lakes, nor the few-heavy-events pattern of the Gulf and the desert Southwest.
A wet day is one recording at least 0.01 inches. These are 1991-2020 normals: they describe an average year and say nothing about the heaviest single storm on record.
Frost Dates & Growing Season
First Fall Freeze
December 3
50% probability date
Last Spring Freeze
February 11
50% probability date
Growing Season
295 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
1,004
Higher = more heating needed
Cooling Degree Days
3,951
Higher = more cooling needed
Warmest Month
August
Coldest Month
January
Places with a similar climate profile
NOAA 1991–2020 annual normals connect this location to non-geographic peers. Temperature peers use annual mean temperature; energy peers use both heating and cooling degree days.
Closest annual-temperature peers
What Cotulla La Salle County's climate means for you
Cotulla La Salle County runs 73°F a year - peaking in August, coldest in January.
- A long growing window of about 295 frost-free days, with the last spring freeze around February 11, leaves room for successive plantings.
- Air conditioning drives the bills rather than the furnace: 3,951 cooling degree days against 1,004 for heating.
- See how Cotulla La Salle County lines up against the rest of Texas and the national rankings. See rankings
Climate Guides
Data-derived climate profile
How Cotulla La Salle County's climate pattern fits together
cooling led · moderate · mid swing
Air-conditioning demand is the clearest thermal signal here. Cotulla La Salle County accumulates 3,951 cooling degree days, more than twice its 1,004 heating total; the monthly table shows when that imbalance builds rather than treating it as a year-round condition.
Cotulla La Salle County's 21.7 inches of annual precipitation falls in PlainClimate's middle band, so “wet” or “dry” is not the leading description. Snowfall is not added to the interpretation because its annual value is missing. Temperature balance and the calendar distribution carry more information than the annual moisture label alone.
August and January mark the typical warm and cold ends of the calendar in Cotulla La Salle County's middle-range seasonal profile. The measured spread is 32.0°F. The annual average is 73°F. Neither the annual mean nor one extreme month represents the full calendar on its own.
The frost-free window extends for about 295 days. That is a long calendar measure, but it is not a forecast and does not combine heat, rainfall, soil, or local elevation into a planting recommendation.
These labels group NOAA 1991-2020 normals from Cotulla La Salle County's primary station, so the summer figures are a thirty-year average rather than a ceiling: individual years have run hotter and will again. They are descriptive ranges, not an official NOAA classification or a forecast for any specific year.
The year in four calendar signals
- Warmest normal
- August
- At 88°F (31°C) this is a genuinely hot month, in the top third of US stations, and the daily average understates afternoon highs.
- Coldest normal
- January
- The coldest month still averages 56°F (13°C), above freezing, so this calendar has no hard winter.
- Rainfall rhythm
- May to January
- May is typically wettest; January is driest.
- Mild-temperature window
- January through December
- Monthly means sit between 55°F and 75°F in this window. Freezing days are still reported from January through December.
Frequently Asked Questions
What is the average temperature in Cotulla La Salle County, TX? ▼
How much rain does Cotulla La Salle County get? ▼
How many days above 90°F does Cotulla La Salle County get? ▼
What is the comfort score for Cotulla La Salle County? ▼
When is the growing season in Cotulla La Salle County? ▼
How much energy does heating and cooling require in Cotulla La Salle County? ▼
Where does this Cotulla La Salle County climate data come from? ▼
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). All figures on this page are from Cotulla La Salle County's primary station: COTULLA LA SALLE CO AP (USW00012947). For informational purposes only.
Place identity: U.S. Census Bureau 2024 Gazetteer places. The conservative exact name-and-state crosswalk finds no Census place match, so PlainClimate treats this as a station-mapped location and does not claim it is a municipality. The reproducible method is an exact normalized name-and-state match; unresolved is an upper bound on facilities because spelling variants can be missed.
Related
Every figure on PlainClimate is rendered directly from NOAA 1991-2020 U.S. Climate Normals data, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.