Climate averages 1991–2020
Reno weather
in August.
A hot, very dry month: the 2nd warmest and the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Reno: daytime highs average 31.2°C and nights cool to about 17.2°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 7.7 mm of rain on roughly 3 days, which makes August a very dry month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 13 h 43 min on an average August day.
The nearest other city in this atlas is Folsom (151 km away). In August its highs average 33.1°C, 1.9°C warmer than Reno, with 1.1 mm of rain.
Among the 498 cities listed in the United States, Reno ranks joint 156th of 498 for the warmest August highs and 104th of 498 for the driest August (rainfall, lowest first). The mean August high of those 498 cities is 29.9°C; Reno is 1.3°C warmer than that mean.
From August to September, average highs fall by 4.7°C to 26.5°C, and monthly rainfall rises from 7.7 mm to 9.4 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
Reno climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 4.9°C-2.8°C | -2.8°C | 67 | 8.0 | 9.710 h |
| February | 6.4°C-1.9°C | -1.9°C | 60 | 8.5 | 10.711 h |
| March | 10.0°C0.2°C | 0.2°C | 56 | 8.0 | 11.912 h |
| April | 14.4°C3.0°C | 3.0°C | 32 | 6.9 | 13.213 h |
| May | 20.6°C7.9°C | 7.9°C | 31 | 6.8 | 14.314 h |
| June | 26.9°C12.7°C | 12.7°C | 15 | 3.5 | 14.915 h |
| July | 32.2°C17.0°C | 17.0°C | 8.9 | 2.7 | 14.715 h |
| August, selected | 31.2°C17.2°C | 17.2°C | 7.7 | 2.6 | 13.714 h |
| September | 26.5°C14.4°C | 14.4°C | 9.4 | 2.5 | 12.512 h |
| October | 18.8°C8.1°C | 8.1°C | 24 | 3.5 | 11.211 h |
| November | 10.7°C1.6°C | 1.6°C | 34 | 5.7 | 10.010 h |
| December | 4.7°C-3.5°C | -3.5°C | 64 | 7.6 | 9.49 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
- Folsom in AugustUnited States · 151 kmHigh 33.1°C · Low 16.9°C · 1.1 mm rain
- Roseville in AugustUnited States · 154 kmHigh 33.3°C · Low 17.1°C · 1.1 mm rain
- Citrus Heights in AugustUnited States · 156 kmHigh 33.1°C · Low 16.8°C · 1.1 mm rain
- Rancho Cordova in AugustUnited States · 166 kmHigh 33.0°C · Low 16.6°C · 1.4 mm rain
- Arden-Arcade in AugustUnited States · 170 kmHigh 33.1°C · Low 16.5°C · 1.3 mm rain
- Chico in AugustUnited States · 175 kmHigh 34.9°C · Low 19.0°C · 1.6 mm rain
- Sacramento in AugustUnited States · 179 kmHigh 33.3°C · Low 16.3°C · 1.3 mm rain
- Elk Grove in AugustUnited States · 183 kmHigh 32.1°C · Low 15.7°C · 1.4 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 Reno) is explained once on the Reno year overview and on the Sources, method and limits page.