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The weather in Twin Falls in August is hot. The average temperatures are between 16°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 Twin Falls 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 Twin Falls in August 2025.
If you’re planning to visit Twin Falls in the near future, we highly recommend that you review the 14 day weather forecast for Twin Falls before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 2° / -5° | 5 | 14 | 11 | 34 mm | Awful | Twin Falls in January |
| February | 4° / -3° | 5 | 13 | 10 | 36 mm | Awful | Twin Falls in February |
| March | 10° / 1° | 5 | 20 | 7 | 35 mm | Bad | Twin Falls in March |
| April | 14° / 3° | 4 | 23 | 3 | 27 mm | Ok | Twin Falls in April |
| May | 19° / 7° | 4 | 26 | 1 | 30 mm | Good | Twin Falls in May |
| June | 26° / 12° | 2 | 28 | 0 | 18 mm | Perfect | Twin Falls in June |
| July | 33° / 17° | 1 | 31 | 0 | 9 mm | Good | Twin Falls in July |
| August | 31° / 16° | 1 | 30 | 0 | 12 mm | Good | Twin Falls in August |
| September | 26° / 12° | 1 | 29 | 0 | 14 mm | Perfect | Twin Falls in September |
| October | 16° / 6° | 1 | 28 | 1 | 21 mm | Good | Twin Falls in October |
| November | 9° / 0° | 3 | 21 | 6 | 22 mm | Bad | Twin Falls in November |
| December | 2° / -5° | 5 | 14 | 12 | 38 mm | Awful | Twin Falls in December |