Climate Comfort Score
87/100
Excellent
NOAA 1991–2020 normals 74°F annual avg 2 stations
Del Rio, TX Climate
Explore average temperature, rainfall, and comfort score sourced from NOAA NCEI's 1991–2020 climate normals →
- 74°F
- Avg annual temp
- 87/100
- Comfort score
- 19.8"
- Annual precip
- 290d
- Growing season
30-year climate normals from 2 weather stations (1991-2020).
The climate verdict for Del Rio
Del Rio, Texas averages 74°F a year and scores 87/100 on the comfort index - excellent, milder than 89% of U.S. cities.
- 74°F
- yearly average temperature, NOAA normal
- 87/100
- comfort score, milder than 89% of U.S. cities
- 19.8"
- yearly precipitation total
- 290 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
74°F (23°C)
Avg High
85°F
Avg Low
63°F
Annual Precip
19.8"
Annual Snow
0.1"
Comfort Score
87/100
Excellent
Avg Annual Temperature
74°F
30-year mean (NOAA NCEI)
Annual Precipitation
19.8"
Liquid-equivalent total
Comfort score vs national 100-point ceiling (Del Rio) 87.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Excellent for the Del Rio area.
How Del Rio compares to every U.S. city
Del Rio's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
87 Top 11% higher than 89% of 6,915 US cities
Each bar is a band; taller bars hold more US cities. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source NOAA U.S. Climate Normals, PlainClimate comfort index · 1991–2020
Warming context for Del Rio
MethodologyZooming out from Del Rio's own normal, the chart below shows how the U.S. land temperature anomaly has tracked the global mean since 1900 - the most recent decade sits warmer than the 30-year mean shown here.
- United States land mean (NOAA NCEI) +0.11 °C/decade
- Global anomaly (NASA GISTEMP) +0.11 °C/decade
- Paris Agreement thresholds 1.5°C / 2.0°C
Monthly Temperatures
Average daily high and low temperatures by month
| Month | Avg High | Avg Low | Mean | Precip | Snow | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|---|
| January | 68°F (20°C) | 44°F (6°C) | 56°F (13°C) | 0.6" | 0.0" | 4.3 | 0.0 |
| February | 73°F (23°C) | 48°F (9°C) | 61°F (16°C) | 0.6" | 0.1" | 1.8 | 0.5 |
| March | 80°F (27°C) | 56°F (13°C) | 68°F (20°C) | 1.2" | 0.0" | 0.7 | 2.7 |
| April | 87°F (31°C) | 63°F (17°C) | 75°F (24°C) | 1.5" | 0.0" | 0.0 | 8.2 |
| May | 93°F (34°C) | 71°F (22°C) | 82°F (28°C) | 3.1" | 0.0" | 0.0 | 17.7 |
| June | 98°F (37°C) | 77°F (25°C) | 88°F (31°C) | 2.3" | 0.0" | 0.0 | 26.5 |
| July | 100°F (38°C) | 79°F (26°C) | 90°F (32°C) | 1.5" | 0.0" | 0.0 | 28.6 |
| August | 101°F (38°C) | 79°F (26°C) | 90°F (32°C) | 2.7" | 0.0" | 0.0 | 29.0 |
| September | 94°F (34°C) | 73°F (23°C) | 84°F (29°C) | 2.6" | 0.0" | 0.0 | 20.6 |
| October | 86°F (30°C) | 64°F (18°C) | 75°F (24°C) | 2.1" | 0.0" | 0.1 | 6.5 |
| November | 75°F (24°C) | 53°F (11°C) | 64°F (18°C) | 0.9" | 0.0" | 0.7 | 0.2 |
| December | 68°F (20°C) | 44°F (7°C) | 56°F (13°C) | 0.7" | 0.0" | 4.3 | 0.0 |
Monthly Precipitation
Average monthly rainfall and snowfall
January 0.6"
3.9 days with precipitation
February 0.6"
Snow: 0.1"
4.5 days with precipitation
March 1.2"
5.0 days with precipitation
April 1.5"
5.0 days with precipitation
May 3.1"
7.0 days with precipitation
June 2.3"
5.2 days with precipitation
July 1.5"
3.7 days with precipitation
August 2.7"
4.2 days with precipitation
September 2.6"
5.9 days with precipitation
October 2.1"
5.5 days with precipitation
November 0.9"
4.4 days with precipitation
December 0.7"
4.4 days with precipitation
Frost Dates & Growing Season
First Fall Freeze
December 3
50% probability date
Last Spring Freeze
February 16
50% probability date
Growing Season
290 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
970
Higher = more heating needed
Cooling Degree Days
4,233
Higher = more cooling needed
Warmest Month
August
Coldest Month
January
Humidity & Wind
Monthly averages from hourly observations
| Month | Humidity | Wind (mph) | Clear Sky % | Overcast % |
|---|---|---|---|---|
| January | 55% | 7.4 | 72% | 20% |
| February | 49% | 8.6 | 74% | 17% |
| March | 53% | 9.4 | 71% | 16% |
| April | 52% | 9.9 | 72% | 14% |
| May | 58% | 10.1 | 76% | 7% |
| June | 56% | 9.9 | 71% | 7% |
| July | 51% | 9.2 | 81% | 3% |
| August | 56% | 7.9 | 72% | 6% |
| September | 59% | 7.8 | 74% | 9% |
| October | 60% | 7.8 | 71% | 16% |
| November | 59% | 7.0 | 71% | 20% |
| December | 57% | 7.1 | 61% | 30% |
What Del Rio's climate means for you
Del Rio runs 74°F a year - peaking in August, coldest in January.
- Gardeners get about 290 frost-free days, with the last spring freeze near February 16 - plan the planting calendar around it, not the regional average.
- Energy bills track 970 heating and 4,233 cooling degree days a year, higher means the furnace or AC runs more.
- Comparing places to live? Line this city up against nearby cities and the national rankings. See rankings
These are 30-year NOAA normals (1991–2020) - the typical year, not a forecast for any specific season.
Climate Guides
Climate Insight: Del Rio, TX
Del Rio, Texas runs an annual average of 74°F, ranging from a mean daily high of 85°F to a mean daily low of 63°F, per NOAA's 1991–2020 climate normals. August is typically the warmest month of the year, while January is the coldest. Drawn from 2 weather stations, these thirty-year averages smooth out year-to-year swings into a baseline for what a typical month looks like here.
Precipitation patterns matter as much as temperature for anyone planning to live, garden, or travel here. Del Rio receives roughly 19.8 inches of precipitation each year, with negligible snowfall. The frost-free season averages 290 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near February 16 and the first fall freeze near December 3. For energy use, 970 heating degree days and 4,233 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Del Rio scores 87/100 (Excellent), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. Use the monthly tables above to plan around specific windows, shoulder seasons for mild highs and lows, peak summer for August-driven heat, or deep winter for January-driven cold. All figures here are thirty-year averages: any single year may run warmer, wetter, drier, or cooler than the normal, so treat them as planning guidance rather than forecasts.
Frequently Asked Questions
What is the average temperature in Del Rio, TX? ▼
The average annual temperature in Del Rio, Texas is 74°F. The warmest month averages 101°F (38°C) and the coldest averages 44°F (6°C).
How much rain does Del Rio get? ▼
Del Rio receives 19.8 inches of precipitation annually, including 0.1 inches of snow. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Del Rio? ▼
Del Rio has a climate comfort score of 87/100 (Excellent), milder than 89% of U.S. cities in the PlainClimate database.
When is the growing season in Del Rio? ▼
Del Rio has approximately 290 frost-free days per year, with the last spring freeze around February 16 and the first fall freeze around December 3.
How much energy does heating and cooling require in Del Rio? ▼
Del Rio has 970 heating degree days and 4,233 cooling degree days annually, a cooling-dominated climate. See our <a href="/guides/reading-weather-data/" class="underline hover:text-brand-600">guide to reading weather data</a> for what these figures mean.
Where does this Del Rio climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from 2 weather stations near Del Rio.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USW00022010. For informational purposes only.
Read our methodology - how this data is sourced, computed, and verified.
Related
Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainClimate Editorial
Every figure on PlainClimate is rendered directly from NOAA 1991-2020 U.S. Climate Normals data, no number is typed in by an editor. This page draws directly on NOAA 1991-2020 U.S. Climate Normals data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.