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The weather in Moreno Valley in August is hot. The average temperatures are between 17°C and 34°C. Usually the days in August are hot while the nights are a bit cooler.
You can expect a few rainy days in Moreno Valley during August, but usually the weather is comfortable in August.
Our weather forecast can give you a great sense of what weather to expect in Moreno Valley in August 2025.
If you’re planning to visit Moreno Valley in the near future, we highly recommend that you review the 14 day weather forecast for Moreno Valley before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 18° / 4° | 2 | 29 | 0 | 47 mm | Good | Moreno Valley in January |
| February | 18° / 4° | 2 | 26 | 0 | 54 mm | Good | Moreno Valley in February |
| March | 20° / 5° | 3 | 28 | 0 | 28 mm | Good | Moreno Valley in March |
| April | 23° / 7° | 1 | 29 | 0 | 19 mm | Perfect | Moreno Valley in April |
| May | 26° / 8° | 1 | 30 | 0 | 10 mm | Perfect | Moreno Valley in May |
| June | 31° / 12° | 0 | 30 | 0 | 2 mm | Good | Moreno Valley in June |
| July | 34° / 17° | 1 | 30 | 0 | 26 mm | Ok | Moreno Valley in July |
| August | 34° / 17° | 1 | 30 | 0 | 18 mm | Ok | Moreno Valley in August |
| September | 32° / 15° | 0 | 30 | 0 | 10 mm | Good | Moreno Valley in September |
| October | 27° / 10° | 0 | 31 | 0 | 10 mm | Perfect | Moreno Valley in October |
| November | 22° / 7° | 1 | 29 | 0 | 21 mm | Good | Moreno Valley in November |
| December | 16° / 4° | 3 | 28 | 0 | 58 mm | Good | Moreno Valley in December |