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The weather in Caldwell in August is hot. The average temperatures are between 19°C and 33°C. Usually the days in August are hot while the nights are a bit cooler.
You can expect a few rainy days in Caldwell 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 Caldwell in August 2025.
If you’re planning to visit Caldwell in the near future, we highly recommend that you review the 14 day weather forecast for Caldwell before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 4° / -3° | 6 | 22 | 3 | 37 mm | Awful | Caldwell in January |
| February | 7° / -1° | 5 | 22 | 1 | 23 mm | Ok | Caldwell in February |
| March | 12° / 2° | 6 | 25 | 0 | 32 mm | Ok | Caldwell in March |
| April | 16° / 5° | 4 | 26 | 0 | 22 mm | Good | Caldwell in April |
| May | 21° / 9° | 4 | 27 | 0 | 33 mm | Good | Caldwell in May |
| June | 27° / 14° | 3 | 27 | 0 | 18 mm | Perfect | Caldwell in June |
| July | 34° / 19° | 0 | 31 | 0 | 2 mm | Ok | Caldwell in July |
| August | 33° / 19° | 1 | 30 | 0 | 5 mm | Good | Caldwell in August |
| September | 27° / 14° | 2 | 28 | 0 | 11 mm | Perfect | Caldwell in September |
| October | 18° / 8° | 3 | 28 | 0 | 22 mm | Good | Caldwell in October |
| November | 9° / 1° | 4 | 25 | 1 | 28 mm | Ok | Caldwell in November |
| December | 3° / -3° | 9 | 19 | 4 | 47 mm | Awful | Caldwell in December |