Climate averages 1991–2020
San Angelo weather
in January.
A mild, fairly dry month: the coolest and the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a mild month in San Angelo: daytime highs average 15.1°C and nights cool to about 3.5°C. By daytime temperature it is the coolest month of the year.
Expect about 27 mm of rain on roughly 4 days, which makes January a fairly dry month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 10 h 21 min on an average January day.
The nearest other city in this atlas is Abilene (128 km away). In January its highs average 14.1°C, 1.0°C cooler than San Angelo, with 31 mm of rain.
Among the 498 cities listed in the United States, San Angelo ranks joint 133rd of 498 for the warmest January highs and joint 49th of 498 for the driest January (rainfall, lowest first). The mean January high of those 498 cities is 9.5°C; San Angelo is 5.6°C warmer than that mean.
From January to February, average highs rise by 2.6°C to 17.7°C, and monthly rainfall rises from 27 mm to 34 mm.
The annual picture
January in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
San Angelo climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 15.1°C3.5°C | 3.5°C | 27 | 4.1 | 10.310 h |
| February | 17.7°C5.4°C | 5.4°C | 34 | 5.0 | 11.011 h |
| March | 21.9°C9.4°C | 9.4°C | 48 | 5.8 | 12.012 h |
| April | 26.4°C13.5°C | 13.5°C | 53 | 5.9 | 12.913 h |
| May | 30.0°C18.2°C | 18.2°C | 86 | 10.0 | 13.714 h |
| June | 33.2°C22.1°C | 22.1°C | 57 | 7.6 | 14.214 h |
| July | 34.7°C23.8°C | 23.8°C | 33 | 5.4 | 14.014 h |
| August | 34.3°C23.9°C | 23.9°C | 39 | 6.0 | 13.313 h |
| September | 30.6°C20.0°C | 20.0°C | 53 | 6.0 | 12.412 h |
| October | 25.8°C14.6°C | 14.6°C | 60 | 6.0 | 11.411 h |
| November | 19.4°C8.5°C | 8.5°C | 36 | 4.2 | 10.611 h |
| December | 15.4°C4.2°C | 4.2°C | 33 | 4.7 | 10.110 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
January in nearby cities
- Abilene in JanuaryUnited States · 128 kmHigh 14.1°C · Low 2.9°C · 31 mm rain
- Midland in JanuaryUnited States · 166 kmHigh 14.3°C · Low 2.0°C · 22 mm rain
- Odessa in JanuaryUnited States · 188 kmHigh 14.5°C · Low 2.0°C · 21 mm rain
- Ciudad Acuña in JanuaryMexico · 243 kmHigh 18.2°C · Low 7.1°C · 22 mm rain
- Killeen in JanuaryUnited States · 260 kmHigh 14.9°C · Low 4.9°C · 59 mm rain
- Lubbock in JanuaryUnited States · 270 kmHigh 12.4°C · Low 0.0°C · 21 mm rain
- Round Rock in JanuaryUnited States · 284 kmHigh 15.6°C · Low 5.8°C · 59 mm rain
- Austin in JanuaryUnited States · 290 kmHigh 15.9°C · Low 5.9°C · 61 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for San Angelo) is explained once on the San Angelo year overview and on the Sources, method and limits page.