PlainClimate
NOAA 1991–2020 normals 67°F annual avg 2 stations

San Angelo, TX Climate

Explore average temperature, rainfall, and comfort score sourced from NOAA NCEI's 1991–2020 climate normals →

67°F
Avg annual temp
88/100
Comfort score
20.9"
Annual precip
235d
Growing season

30-year climate normals from 2 weather stations (1991-2020).

The climate verdict for San Angelo

San Angelo, Texas averages 67°F a year and scores 88/100 on the comfort index - excellent, milder than 92% of U.S. cities.

67°F
annual average temperature (NOAA normal)
88/100
comfort score, milder than 92% of U.S. cities
20.9"
precipitation, annual total
235 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

67°F (19°C)

Avg High

80°F

Avg Low

54°F

Annual Precip

20.9"

Comfort Score

88/100

Excellent

Climate Comfort Score

88/100

Excellent

Avg Annual Temperature

67°F

30-year mean (NOAA NCEI)

Annual Precipitation

20.9"

Liquid-equivalent total

Comfort score vs national 100-point ceiling (San Angelo) 88.0%
National median (63)

PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Excellent for the San Angelo area.

How San Angelo compares to every U.S. city

San Angelo's comfort score vs. all U.S. cities

PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals

88 Top 8% higher than 92% of 6,915 US cities

0–10: 0 US cities (0%). Below this entry. 10–20: 0 US cities (0%). Below this entry. 20–30: 58 US cities (1%). Below this entry. 30–40: 439 US cities (6%). Below this entry. 40–50: 1,302 US cities (19%). Below this entry. 50–60: 1,433 US cities (21%). Below this entry. 60–70: 1,357 US cities (20%). Below this entry. 70–80: 1,102 US cities (16%). Below this entry. 80–90: 778 US cities (11%). This entry sits in this band. 90–100: 420 US cities (6%). Above this entry. This city 0 100 every U.S. city, bucketed by value

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 San Angelo

Methodology

Zooming out from San Angelo'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.

Warming context, U.S. vs global, with Paris reference lines Anomaly chart from 1900 to 2024. Local series shows warming of 0.11 °C per decade versus a global rate of 0.11 °C per decade (ratio 1.00). Paris Agreement thresholds at 1.5 and 2.0 °C are dashed. -1.0°C -0.5°C +0.0°C +0.5°C +1.0°C +1.5°C +2.0°C +2.5°C Paris 1.5°C Paris 2.0°C 1900192019401960198020002020
  • 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
Sources: NOAA NCEI, NASA GISTEMP. Paris thresholds per IPCC AR6 WG1.

Monthly Temperatures

Average daily high and low temperatures by month

Month Avg High Avg Low Mean
January 61°F (16°C) 34°F (1°C) 47°F (9°C)
February 65°F (19°C) 38°F (3°C) 52°F (11°C)
March 73°F (23°C) 46°F (8°C) 59°F (15°C)
April 82°F (28°C) 53°F (11°C) 67°F (19°C)
May 89°F (32°C) 62°F (17°C) 76°F (24°C)
June 94°F (35°C) 70°F (21°C) 82°F (28°C)
July 97°F (36°C) 72°F (22°C) 85°F (29°C)
August 97°F (36°C) 72°F (22°C) 84°F (29°C)
September 89°F (32°C) 65°F (18°C) 77°F (25°C)
October 81°F (27°C) 54°F (12°C) 67°F (19°C)
November 69°F (21°C) 43°F (6°C) 56°F (13°C)
December 62°F (17°C) 35°F (2°C) 48°F (9°C)

Monthly Precipitation

Average monthly rainfall and snowfall

January 0.9"

4.3 days with precipitation

February 1.2"

4.9 days with precipitation

March 1.5"

4.9 days with precipitation

April 1.5"

4.4 days with precipitation

May 3.0"

6.7 days with precipitation

June 2.3"

5.8 days with precipitation

July 1.1"

4.4 days with precipitation

August 2.4"

5.9 days with precipitation

September 2.5"

5.1 days with precipitation

October 2.4"

5.8 days with precipitation

November 1.2"

4.0 days with precipitation

December 0.9"

4.2 days with precipitation

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)
January 57% 9.5
February 52% 10.4
March 52% 11.1
April 50% 11.0
May 58% 10.0
June 55% 9.4
July 49% 8.3
August 56% 7.4
September 58% 7.9
October 60% 8.8
November 58% 9.4
December 58% 9.1

What San Angelo's climate means for you

San Angelo runs 67°F a year - peaking in July, coldest in January.

  • Gardeners get about 235 frost-free days, with the last spring freeze near March 20 - plan the planting calendar around it, not the regional average.
  • Energy bills track 2,130 heating and 2,786 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: San Angelo, TX

Based on 2 weather stations feeding NOAA's 1991–2020 climate normals, San Angelo, Texas averages 67°F a year, ranging from a mean daily high of 80°F to a mean daily low of 54°F. July is typically the warmest month of the year, while January is the coldest. Because these figures are thirty-year averages rather than any single year's readings, they describe the typical month, not a forecast for it.

Beyond temperature, San Angelo averages 20.9 inches of precipitation annually, with seasonal snowfall possible - a real factor for anyone planning to live, garden, or travel here. The frost-free season averages 235 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near March 20 and the first fall freeze near November 10. Turning to energy use, 2,130 heating degree days and 2,786 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, San Angelo scores 88/100 (Excellent), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. For planning purposes, look to the monthly tables above: shoulder seasons bring the mildest highs and lows, summer brings July-driven heat, and deep winter brings January-driven cold. Treat every figure here as a thirty-year average rather than a forecast - individual years routinely run warmer, cooler, wetter, or drier than the normal.

Frequently Asked Questions

What is the average temperature in San Angelo, TX?
The average annual temperature in San Angelo, Texas is 67°F. The warmest month averages 97°F (36°C) and the coldest averages 34°F (1°C).
How much rain does San Angelo get?
San Angelo receives 20.9 inches of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for San Angelo?
San Angelo has a climate comfort score of 88/100 (Excellent), milder than 92% of U.S. cities in the PlainClimate database.
When is the growing season in San Angelo?
San Angelo has approximately 235 frost-free days per year, with the last spring freeze around March 20 and the first fall freeze around November 10.
How much energy does heating and cooling require in San Angelo?
San Angelo has 2,130 heating degree days and 2,786 cooling degree days annually, a fairly balanced heating/cooling split. 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 San Angelo climate data come from?
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from 2 weather stations near San Angelo.

Data Sources

Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USW00023034. For informational purposes only.

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.