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The weather in Temecula in August is hot. The average temperatures are between 18°C and 31°C. Usually the days in August are hot while the nights are a bit cooler.
You can expect a few rainy days in Temecula 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 Temecula in August 2025.
If you’re planning to visit Temecula in the near future, we highly recommend that you review the 14 day weather forecast for Temecula before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 19° / 8° | 2 | 29 | 0 | 42 mm | Good | Temecula in January |
| February | 18° / 8° | 2 | 26 | 0 | 45 mm | Good | Temecula in February |
| March | 20° / 8° | 2 | 29 | 0 | 27 mm | Good | Temecula in March |
| April | 22° / 9° | 1 | 29 | 0 | 13 mm | Good | Temecula in April |
| May | 23° / 11° | 0 | 31 | 0 | 10 mm | Perfect | Temecula in May |
| June | 27° / 14° | 0 | 30 | 0 | 2 mm | Perfect | Temecula in June |
| July | 30° / 17° | 1 | 30 | 0 | 22 mm | Good | Temecula in July |
| August | 31° / 18° | 1 | 30 | 0 | 15 mm | Good | Temecula in August |
| September | 30° / 18° | 1 | 29 | 0 | 11 mm | Good | Temecula in September |
| October | 26° / 14° | 1 | 30 | 0 | 10 mm | Perfect | Temecula in October |
| November | 22° / 11° | 1 | 29 | 0 | 25 mm | Good | Temecula in November |
| December | 17° / 7° | 3 | 28 | 0 | 40 mm | Good | Temecula in December |