Climate averages 1991–2020
Indio weather
in August.
A very hot, very dry month: the 2nd warmest and the joint 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a very hot month in Indio: daytime highs average 41.0°C and nights cool to about 27.8°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 8.6 mm of rain on roughly 2 days, which makes August a very dry month (the joint 7th 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 Hemet (70 km away). In August its highs average 33.0°C, 8.0°C cooler than Indio, with 3.3 mm of rain.
Among the 498 cities listed in the United States, Indio ranks 2nd of 498 for the warmest August highs and 107th of 498 for the driest August (rainfall, lowest first). The mean August high of those 498 cities is 29.9°C; Indio is 11.1°C warmer than that mean.
From August to September, average highs fall by 3.3°C to 37.7°C, and monthly rainfall falls from 8.6 mm to 7.1 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
Indio climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 19.7°C9.6°C | 9.6°C | 28 | 3.6 | 10.210 h |
| February | 21.5°C10.7°C | 10.7°C | 34 | 4.1 | 11.011 h |
| March | 25.4°C12.9°C | 12.9°C | 17 | 2.9 | 12.012 h |
| April | 29.2°C15.2°C | 15.2°C | 6.8 | 1.4 | 13.013 h |
| May | 33.6°C18.6°C | 18.6°C | 2.8 | 0.9 | 13.914 h |
| June | 38.9°C22.9°C | 22.9°C | 0.7 | 0.2 | 14.414 h |
| July | 41.5°C27.2°C | 27.2°C | 7.2 | 1.8 | 14.214 h |
| August, selected | 41.0°C27.8°C | 27.8°C | 8.6 | 2.2 | 13.413 h |
| September | 37.7°C24.7°C | 24.7°C | 7.1 | 1.8 | 12.412 h |
| October | 31.3°C18.9°C | 18.9°C | 8.0 | 1.2 | 11.411 h |
| November | 24.3°C13.3°C | 13.3°C | 8.6 | 1.5 | 10.410 h |
| December | 18.9°C9.1°C | 9.1°C | 25 | 2.9 | 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
- Hemet in AugustUnited States · 70 kmHigh 33.0°C · Low 20.3°C · 3.3 mm rain
- Menifee in AugustUnited States · 86 kmHigh 32.7°C · Low 19.8°C · 2.2 mm rain
- Temecula in AugustUnited States · 90 kmHigh 33.2°C · Low 19.5°C · 2.4 mm rain
- Perris in AugustUnited States · 94 kmHigh 32.8°C · Low 20.0°C · 2.2 mm rain
- Murrieta in AugustUnited States · 94 kmHigh 33.2°C · Low 20.1°C · 2.4 mm rain
- Redlands in AugustUnited States · 97 kmHigh 34.0°C · Low 20.2°C · 9.0 mm rain
- Moreno Valley in AugustUnited States · 97 kmHigh 32.9°C · Low 20.0°C · 9.0 mm rain
- Escondido in AugustUnited States · 105 kmHigh 29.1°C · Low 18.8°C · 2.6 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 Indio) is explained once on the Indio year overview and on the Sources, method and limits page.