San Angelo has a warm subtropical climate with warm summers and cold winters.
Temperatures peak in July and drop to their lowest in January, while rainfall is highest during spring and early summer months.
Humidity remains moderate throughout the year, especially during winter months, creating cold and dry conditions.
| Month | 🌤️ | Avg High | Avg Temp | Avg Low | Record High | Record Low | Humid % | Rain (mm) | Wind (m/s) | Solar (kWh/m²) |
|---|---|---|---|---|---|---|---|---|---|---|
| January | 🌨️ | 58.5°F | 46.0°F | 33.5°F | 86.0°F | 11.5°F | 62% | 22 | 3.3 | 3.29 |
| February | 🌤️ | 63.7°F | 50.4°F | 37.1°F | 94.8°F | 3.9°F | 59% | 27 | 3.5 | 4.08 |
| March | 🌤️ | 73.0°F | 58.9°F | 44.7°F | 95.2°F | 18.7°F | 55% | 32 | 3.8 | 5.24 |
| April | ☀️ | 81.8°F | 67.2°F | 52.6°F | 103.6°F | 27.9°F | 50% | 38 | 3.9 | 6.28 |
| May | 🌞 | 88.8°F | 75.4°F | 62.0°F | 110.8°F | 37.0°F | 56% | 78 | 3.7 | 6.61 |
| June | 🌞 | 94.1°F | 81.8°F | 69.4°F | 113.0°F | 50.0°F | 57% | 65 | 3.6 | 7.18 |
| July | 🔥 | 96.1°F | 84.1°F | 72.1°F | 110.7°F | 61.5°F | 52% | 47 | 3.4 | 7.03 |
| August | 🔥 | 95.5°F | 83.9°F | 72.4°F | 111.7°F | 57.4°F | 52% | 60 | 3.0 | 6.43 |
| September | 🌞 | 88.9°F | 77.1°F | 65.4°F | 109.2°F | 39.4°F | 59% | 66 | 2.9 | 5.41 |
| October | ☀️ | 80.3°F | 67.7°F | 55.1°F | 101.5°F | 23.5°F | 60% | 60 | 3.2 | 4.47 |
| November | 🌤️ | 68.3°F | 55.9°F | 43.4°F | 91.4°F | 19.8°F | 62% | 32 | 3.2 | 3.49 |
| December | 🌨️ | 59.8°F | 47.6°F | 35.3°F | 87.3°F | 3.9°F | 63% | 24 | 3.1 | 2.95 |
Showing average climate conditions across 45 years (1981–2025)
🧥 Expect frosty nights and below-freezing temperatures during this Cold Winter period.
🌤️ Limit midday outdoor exposure and stay hydrated — this is an intense Hot Summer.
☔ Rainfall is spread across the year with no sharply defined wet season.
Monthly averages · 1981–2025 climate normals · °F
Temperatures rise steadily from spring, peak in July, and gradually decline through autumn into winter.
These seasonal patterns make summer pleasant for travel, while winters can bring frost and occasional snowfall.
Monthly rainfall · 1981–2025 seasonal trends · mm/month
Rainfall is concentrated in the spring and early summer months. Humidity stays moderate (around 57%), peaking during winter months, which creates cold and dry conditions.
☔ Rainfall is spread across the year with no sharply defined wet season.
Monthly averages · 1981–2025
Across 45 years of records, San Angelo's temperature shows a slight warming trend over the past decade. Its hottest day reached 112.9°F in June 2023, and its coldest dropped to 3.9°F in December 1989. 2024 was the warmest year overall and 1987 the coolest.
The warmest year in San Angelo's recorded history was 2024 (avg: 69.6°F), while the coldest was 1987 (avg: 63.5°F).
Average annual high/low · Last 30 years · °F
Total annual precipitation · Last 30 years · mm/year
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall (mm) | Avg Humidity | Avg Wind |
|---|---|---|---|---|---|---|---|---|
2025 | 81.7°F | 68.5°F | 55.4°F | 103.3°F | 13.5°F | 547 | 54% | 3.4 m/s |
2024 🔥 | 82.9°F | 69.6°F | 56.5°F | 111.7°F | 12.6°F | 533 | 55% | 3.3 m/s |
2023 | 82.4°F | 69.3°F | 56.1°F | 113.0°F | 21.2°F | 500 | 54% | 3.3 m/s |
2022 | 81.1°F | 67.8°F | 54.3°F | 109.0°F | 11.7°F | 386 | 50% | 3.4 m/s |
2021 | 79.3°F | 66.7°F | 54.1°F | 103.1°F | 3.9°F | 587 | 59% | 3.3 m/s |
2020 | 80.6°F | 67.5°F | 54.5°F | 108.9°F | 18.5°F | 558 | 55% | 3.5 m/s |
2019 | 78.8°F | 66.4°F | 53.8°F | 107.1°F | 19.0°F | 477 | 60% | 3.4 m/s |
2018 | 78.6°F | 66.2°F | 53.8°F | 109.8°F | 18.1°F | 758 | 60% | 3.4 m/s |
2017 | 79.9°F | 67.3°F | 54.5°F | 108.5°F | 18.0°F | 609 | 60% | 3.4 m/s |
2016 🌧️ | 78.4°F | 66.6°F | 54.5°F | 102.6°F | 14.2°F | 854 | 65% | 3.4 m/s |
Showing 1 to 10 of 45 years
Based on 45 years of data (1981–2025), July is typically the hottest month in San Angelo, Texas, with average high temperatures around 96.1°F.
January is the coldest month in San Angelo, with average low temperatures around 33.5°F.
May receives the most rainfall with approximately 78 mm, while January is the driest with 22 mm.
The highest recorded temperature was 112.9°F in June 2023. This is part of the historical record spanning 1981–2025.
The lowest recorded temperature was 3.9°F in December 1989.
This page covers 45 years of climate data from 1981 to 2025. As new data is added to the database the page automatically reflects the updated coverage.
San Angelo receives the most sunlight in June with an average solar radiation of 7.18 kWh/m²/day. This solar radiation data, sourced from NASA POWER, is useful for solar energy planning and agriculture in Texas.
All climate data is sourced from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite and model data. It provides monthly averages for temperature, precipitation, humidity, wind speed, and solar radiation.
All weather data is sourced from NASA POWER (Prediction of Worldwide Energy Resources), a NASA project providing solar and meteorological data for renewable energy, building efficiency, and agricultural research.
