Climate averages 1991–2020
Tulsa weather
in August.
A hot, moderately wet month: the 2nd warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Tulsa: daytime highs average 32.8°C and nights cool to about 23.5°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 73 mm of rain on roughly 7 days, which makes August a moderately wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 32 min on an average August day.
The nearest other city in this atlas is Broken Arrow (21 km away). In August its highs average 32.6°C, about as warm as Tulsa, with 71 mm of rain.
Among the 498 cities listed in the United States, Tulsa ranks joint 106th of 498 for the warmest August highs and joint 234th of 498 for the driest August (rainfall, lowest first). The mean August high of those 498 cities is 29.9°C; Tulsa is 2.9°C warmer than that mean.
From August to September, average highs fall by 4.5°C to 28.3°C, and monthly rainfall rises from 73 mm to 101 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
Tulsa climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 8.2°C-0.8°C | -0.8°C | 47 | 5.9 | 10.010 h |
| February | 11.0°C1.2°C | 1.2°C | 52 | 6.4 | 10.811 h |
| March | 16.1°C6.0°C | 6.0°C | 93 | 9.3 | 11.912 h |
| April | 21.1°C10.9°C | 10.9°C | 121 | 10.0 | 13.113 h |
| May | 25.6°C16.4°C | 16.4°C | 148 | 12.4 | 14.114 h |
| June | 30.4°C21.5°C | 21.5°C | 116 | 9.9 | 14.615 h |
| July | 33.2°C24.0°C | 24.0°C | 79 | 8.0 | 14.414 h |
| August, selected | 32.8°C23.5°C | 23.5°C | 73 | 6.9 | 13.514 h |
| September | 28.3°C19.1°C | 19.1°C | 101 | 7.5 | 12.412 h |
| October | 21.9°C12.7°C | 12.7°C | 93 | 8.3 | 11.311 h |
| November | 15.0°C6.3°C | 6.3°C | 63 | 6.9 | 10.310 h |
| December | 9.3°C1.0°C | 1.0°C | 57 | 6.0 | 9.810 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
- Broken Arrow in AugustUnited States · 21 kmHigh 32.6°C · Low 23.3°C · 71 mm rain
- Edmond in AugustUnited States · 145 kmHigh 33.3°C · Low 23.5°C · 66 mm rain
- Oklahoma City in AugustUnited States · 157 kmHigh 33.1°C · Low 23.4°C · 64 mm rain
- Fayetteville, United States in AugustUnited States · 165 kmHigh 30.8°C · Low 21.2°C · 75 mm rain
- Norman in AugustUnited States · 167 kmHigh 33.2°C · Low 23.8°C · 57 mm rain
- Fort Smith in AugustUnited States · 167 kmHigh 32.8°C · Low 22.7°C · 63 mm rain
- Springdale in AugustUnited States · 167 kmHigh 30.8°C · Low 21.3°C · 75 mm rain
- Wichita in AugustUnited States · 209 kmHigh 31.5°C · Low 21.8°C · 86 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 Tulsa) is explained once on the Tulsa year overview and on the Sources, method and limits page.