Climate averages 1991–2020
Birmingham, United States weather
in August.
A hot, wet month: the 2nd warmest and the 3rd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Birmingham, United States: daytime highs average 31.5°C and nights cool to about 22.1°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 95 mm of rain on roughly 13 days, which makes August a wet month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 24 min on an average August day.
The nearest other city in this atlas is Hoover (13 km away). In August its highs average 31.4°C, about as warm as Birmingham, United States, with 95 mm of rain.
Among the 498 cities listed in the United States, Birmingham, United States ranks joint 147th of 498 for the warmest August highs and joint 358th of 498 for the driest August (rainfall, lowest first). The mean August high of those 498 cities is 29.9°C; Birmingham, United States is 1.6°C warmer than that mean.
From August to September, average highs fall by 2.5°C to 28.9°C, and monthly rainfall falls from 95 mm to 86 mm.
The annual picture
August 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
Birmingham, United States climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 11.7°C2.4°C | 2.4°C | 126 | 9.8 | 10.210 h |
| February | 14.1°C3.9°C | 3.9°C | 130 | 10.7 | 11.011 h |
| March | 18.2°C7.3°C | 7.3°C | 146 | 11.4 | 12.012 h |
| April | 22.3°C11.3°C | 11.3°C | 118 | 9.6 | 13.013 h |
| May | 26.8°C16.1°C | 16.1°C | 100 | 10.3 | 13.914 h |
| June | 30.1°C20.4°C | 20.4°C | 108 | 13.4 | 14.314 h |
| July | 31.6°C22.4°C | 22.4°C | 114 | 14.7 | 14.114 h |
| August, selected | 31.5°C22.1°C | 22.1°C | 95 | 12.7 | 13.413 h |
| September | 28.9°C19.2°C | 19.2°C | 86 | 7.8 | 12.412 h |
| October | 23.6°C13.3°C | 13.3°C | 86 | 7.1 | 11.411 h |
| November | 17.3°C7.2°C | 7.2°C | 105 | 8.1 | 10.510 h |
| December | 13.0°C3.8°C | 3.8°C | 132 | 10.5 | 10.010 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
August in nearby cities
- Hoover in AugustUnited States · 13 kmHigh 31.4°C · Low 22.1°C · 95 mm rain
- Tuscaloosa in AugustUnited States · 79 kmHigh 32.3°C · Low 22.9°C · 91 mm rain
- Huntsville in AugustUnited States · 136 kmHigh 31.0°C · Low 21.7°C · 78 mm rain
- Montgomery in AugustUnited States · 137 kmHigh 32.4°C · Low 23.0°C · 90 mm rain
- South Fulton in AugustUnited States · 197 kmHigh 30.4°C · Low 21.6°C · 94 mm rain
- Columbus, United States in AugustUnited States · 206 kmHigh 32.2°C · Low 22.6°C · 96 mm rain
- Chattanooga in AugustUnited States · 218 kmHigh 30.5°C · Low 21.2°C · 85 mm rain
- East Chattanooga in AugustUnited States · 223 kmHigh 30.3°C · Low 21.0°C · 85 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 Birmingham) is explained once on the Birmingham, United States year overview and on the Sources, method and limits page.
Hoover lies in the same rainfall cell, so its rainfall figures are identical to these; temperatures differ because they come from smaller 0.1° cells.