San Angelo, TX Climate: Temperature & Rain by Month
Explore NOAA NCEI's 1991–2020 climate normals → and a clearly labeled PlainClimate comfort calculation
30-year climate normals (1991-2020) from San Angelo's primary NOAA station, SAN ANGELO - 2 stations mapped to the area.
The climate verdict for San Angelo
San Angelo, Texas has a mixed annual climate rather than one dominant extreme. Its NOAA normal shows an annual average of 67°F. It scores 92/100 for climate comfort (excellent), putting it in the top third of station-mapped location scores and exceeding 92% of them.
- 67°F
- annual average temperature (NOAA normal)
- 92/100
- comfort score, above 92% of station-mapped location scores
- 20.9"
- precipitation, annual total
- 235 days
- growing season, frost-free days
San Angelo: NOAA 1991-2020 normals describe a typical year, not a forecast. Method: /methodology.
Normals record plate
Sheet USW00023034 · San Angelo, TX 67°F mean · 20.9" precip
TEMP-MILD · RANK-WARM · PHOTO-FINISH · PRCP-DRY · SWING-MID · COMF-TOP · LOAD-MIX · STN-MULTI · BOOK-FULL
- TEMP-MILD 67°F
- RANK-WARM #6,244
- PHOTO-FINISH ≈ Amite
- PRCP-DRY 20.9"
- SWING-MID 37°F
- COMF-TOP 92/100
- LOAD-MIX H/C balanced
- STN-MULTI USW00023034
- BOOK-FULL 6/6 fields
Nearest mean-temperature peer: Amite, LA (+ 0 °F mean)
Instrument codes from this station's NOAA 1991–2020 normals, mean temperature, corpus warmth rank, photo-finish peer station, precipitation band, seasonal swing, comfort composite, degree-day load, and field book, not a livability rating.
Mean-temperature neighbourhood
Nationwide NOAA normal poles and nearest peers, not a reprint of every TX station list.
- San Angelo (this station) 67°F
- Hot Irvine Rch, CA 67°F
- Near Amite, LA 67°F
- Near Edisto Island M…, SC 67°F
- Near Fresno, CA 67°F
San Angelo 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 · San Angelo
San Angelo: 71/100 · grade B
San Angelo publishes 5 of 6 Living Index dimensions (NOAA annual/seasonal normals · NOAA daily multivariate normals · NOAA hourly normals); 1 missing weight rescale to 100.
PlainClimate-derived for San Angelo, not an official NOAA rating. Rankings still use Comfort Score 92/100 (separate formula). Breakpoints and limits.
| Dimension | Station value | Score |
|---|---|---|
| Annual temperature balance | 66.7°F · 0.8° from 67.5°F | 96/100 · A |
| Frost-free season | 235 days/year | 83/100 · B |
| Normal heat + freeze calendar | 116 calendar days | 67/100 · C |
| Precipitation balance | 20.9 in · 14.1 from 35 in | 51/100 · D |
| Summer moisture balance | 62.4°F mean dew point | 47/100 · D |
San Angelo · 2026-08-04 · NOAA NCEI Climate Normals · method · Comfort Score method.
San Angelo is a temperate Köppen climate: Cfa
Coldest-month mean 47.4°F and warmest-month mean 84.8°F place this station in temperate, no dry season, hot summer climates (Cfa). Class Cfa is the Peel et al. (2007) label for this station's monthly mean temperature and precipitation normals: temperate, specifically temperate, no dry season, hot summer.
- Köppen code
- Cfa
- Group
- Temperate
- Warmest month
- 84.8°F
- Coldest month
- 47.4°F
Source: official public datasets monthly normals (1991–2020) at the city’s primary station. This is a station classification, not a mapped regional consensus.
National standing · balanced station
Where San Angelo sits across the climate record
Three NOAA fields for San Angelo's primary station, temperature, precipitation, and seasonal swing, are ranked against every station-mapped normal that carries the same field.
- Annual temperature
- Top 9% warmest
- Among 6,861 stations, San Angelo sits in the warmer third of annual means.
- Annual precipitation
- Drier than 71%
- San Angelo's annual total ranks in the drier third of 6,352 measured normals.
- Seasonal temperature swing
- Narrower than 75%
- Warmest-to-coldest month gap for San Angelo is compact versus 6,861 complete station-years.
How San Angelo compares across U.S. station-mapped locations
San Angelo's comfort score vs. all station-mapped locations
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
92 Top 8% score exceeds 92% 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
San Angelo's measured station temperature trend
MethodologyAcross 72 complete annual observations from 1948 to 2025, SAN ANGELO warmed at a fitted rate of 0.19°C per decade. The line shows the fitted change relative to its first year, not raw year-to-year temperatures or a forecast.
- San Angelo primary station fitted change +0.19 °C/decade
Monthly Temperatures
Average daily high and low temperatures by month
| Month | Avg High | Avg Low | Mean | Precip | Snow | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|---|
| January | 61°F (16°C) | 34°F (1°C) | 47°F (9°C) | 0.9" | N/A | 15.4 | 0.0 |
| February | 65°F (19°C) | 38°F (3°C) | 52°F (11°C) | 1.2" | N/A | 8.8 | 0.3 |
| March | 73°F (23°C) | 46°F (8°C) | 59°F (15°C) | 1.5" | N/A | 3.9 | 1.1 |
| April | 82°F (28°C) | 53°F (11°C) | 67°F (19°C) | 1.5" | N/A | 0.6 | 5.9 |
| May | 89°F (32°C) | 62°F (17°C) | 76°F (24°C) | 3.0" | N/A | 0.0 | 14.4 |
| June | 94°F (35°C) | 70°F (21°C) | 82°F (28°C) | 2.3" | N/A | 0.0 | 23.2 |
| July | 97°F (36°C) | 72°F (22°C) | 85°F (29°C) | 1.1" | N/A | 0.0 | 27.9 |
| August | 97°F (36°C) | 72°F (22°C) | 84°F (29°C) | 2.4" | N/A | 0.0 | 26.5 |
| September | 89°F (32°C) | 65°F (18°C) | 77°F (25°C) | 2.5" | N/A | 0.0 | 15.1 |
| October | 81°F (27°C) | 54°F (12°C) | 67°F (19°C) | 2.4" | N/A | 0.5 | 4.2 |
| November | 69°F (21°C) | 43°F (6°C) | 56°F (13°C) | 1.2" | N/A | 5.6 | 0.3 |
| December | 62°F (17°C) | 35°F (2°C) | 48°F (9°C) | 0.9" | N/A | 13.9 | 0.0 |
The year, day by day
The year in San Angelo runs from a mild 33°F around January 1 to 99°F at the peak near July 30, and the normal low never reaches freezing on any date in the record.
When the heat sits
Normal highs reach 90°F from May 21 through September 13, covering 116 dates. The broader mild season, normal highs of 70°F or more, runs March 7 to November 12.
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 33°F around January 1.
Where the wet dates fall
The likeliest wet date is May 26, when 22% of years recorded at least a hundredth of an inch. The driest is November 29 at 13%. Summed across the calendar, that is about 61 wet dates a year.
The widest day
April 14 carries the biggest normal gap between afternoon and dawn, 30°F between the normal high and the normal low.
Look up any date
Any date's 1991–2020 normal for San Angelo.
Where San Angelo Stands Nationally
Summers here run among the most heat-heavy normals calendars in the country: on about 116 days a year the normal daily high itself reaches 90°F — a count fewer than one station in ten exceeds.
San Angelo earns one nationally notable standing (outer quintile) against 6,860 NOAA 1991–2020 normals stations, middle-of-the-pack metrics stay silent here.
Monthly Precipitation
Average monthly rainfall and snowfall
4.3 days with precipitation
4.9 days with precipitation
4.9 days with precipitation
4.4 days with precipitation
6.7 days with precipitation
5.8 days with precipitation
4.4 days with precipitation
5.9 days with precipitation
5.1 days with precipitation
5.8 days with precipitation
4.0 days with precipitation
4.2 days with precipitation
San Angelo 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. San Angelo has no dry season to plan around, though it does carry a 37.4°F seasonal spread.
The gap between the wettest and driest month still matters: May averages 3.0" and December 0.9". The three wettest months together take 38% 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 San Angelo's precipitation splits across the calendar
About 60 days a year record measurable precipitation here, carrying 20.9" between them, or roughly 0.35 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
November 10
50% probability date
Last Spring Freeze
March 20
50% probability date
Growing Season
235 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
2,130
Higher = more heating needed
Cooling Degree Days
2,786
Higher = more cooling needed
Warmest Month
July
Coldest Month
January
Humidity & Wind
Monthly averages from hourly observations
| Month | Humidity | Wind (mph) | Clear Sky % | Overcast % |
|---|---|---|---|---|
| January | 57% | 9.5 | 65% | 24% |
| February | 52% | 10.4 | 67% | 22% |
| March | 52% | 11.1 | 66% | 20% |
| April | 50% | 11.0 | 68% | 16% |
| May | 58% | 10.0 | 68% | 11% |
| June | 55% | 9.4 | 67% | 7% |
| July | 49% | 8.3 | 72% | 6% |
| August | 56% | 7.4 | 68% | 7% |
| September | 58% | 7.9 | 72% | 11% |
| October | 60% | 8.8 | 66% | 20% |
| November | 58% | 9.4 | 69% | 20% |
| December | 58% | 9.1 | 66% | 23% |
Nationwide similar cities
Other rankable U.S. places outside TX closest to San Angelo on two NOAA annual-normal axes (mean temperature and annual precipitation). Chip rows use distinct link sets.
Closest by average temperature
Nearest out-of-state peers by annual mean temperature (67°F here).
- Fresno, CA 67°F · 0.0°F off
- San Manuel, AZ 67°F · 0.0°F off
- Hammond, LA 67°F · 0.1°F off
- Headland, AL 67°F · 0.1°F off
Closest by annual precipitation
Nearest out-of-state peers by annual precipitation (20.9" here), excluding temperature-peer places.
- Mission, SD 20.9" · 0.0" off
- Jamestown, ND 20.9" · 0.0" off
- Angel Fire, NM 20.9" · 0.0" off
- Rugby, ND 21.0" · 0.1" off
Data-derived climate profile
How San Angelo's climate pattern fits together
mixed demand · moderate · mid swing
July and January mark the typical warm and cold ends of the calendar in San Angelo's middle-range seasonal profile. The measured spread is 37.4°F. The annual average is 67°F. Neither the annual mean nor one extreme month represents the full calendar on its own.
Heating and cooling both register in San Angelo's normal, at 2,130 and 2,786 degree days respectively. Neither total exceeds the other by more than two to one, so the record is better read as a mixed-demand calendar than as heating-led or cooling-led.
A roughly 235-day frost-free season sits inside this mixed heating-and-cooling profile. Start and end dates matter because both sides of the thermostat register during a normal year.
San Angelo's 20.9 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.
These labels group NOAA 1991-2020 normals from San Angelo's primary station, where heating and cooling demand are close enough that neither season sets the character on its own. On a balanced station like San Angelo, the bands are descriptive ranges rather than an official NOAA classification or a forecast.
Questions about San Angelo's climate
How much rain does San Angelo get? ▼
How many days above 90°F does San Angelo get? ▼
How much energy does heating and cooling require in San Angelo? ▼
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). All figures on this page are from San Angelo's primary station: SAN ANGELO (USW00023034). 2 NOAA stations are mapped to the San Angelo area; the primary station's record is used for consistency. For informational purposes only.
Place identity: U.S. Census Bureau 2024 Gazetteer places. The 2024 Census Gazetteer identifies the exact name-and-state match as an incorporated place (GEOID 4864472). Match rule for San Angelo: exact normalized name + state only, no fuzzy expansion, so nearby differently spelled facilities stay unmatched.
On this page every temperature, precipitation, and derived score for San Angelo comes from its primary NOAA station record. No figure on this page is typed in by an editor - each value is rendered from NOAA 1991-2020 U.S. Climate Normals. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 1991–2020 normals.