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The weather in United States in August is hot. The average temperatures are between 20°C and 28°C.
You can expect about 3 to 8 days of rain in the United States during the month of August. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in United States in August 2025.
If you’re planning to visit United States in the near future, we highly recommend that you review the 14 day weather forecast for United States before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 1° / -4° | 6 | 16 | 9 | 119 mm | Awful | United States in January |
| February | 3° / -3° | 8 | 11 | 10 | 136 mm | Awful | United States in February |
| March | 7° / 1° | 8 | 17 | 7 | 149 mm | Awful | United States in March |
| April | 13° / 6° | 8 | 21 | 1 | 141 mm | Bad | United States in April |
| May | 20° / 12° | 8 | 23 | 0 | 137 mm | Ok | United States in May |
| June | 25° / 17° | 8 | 22 | 0 | 161 mm | Good | United States in June |
| July | 28° / 20° | 10 | 21 | 0 | 201 mm | Good | United States in July |
| August | 28° / 20° | 7 | 24 | 0 | 183 mm | Good | United States in August |
| September | 24° / 17° | 6 | 24 | 0 | 128 mm | Perfect | United States in September |
| October | 17° / 11° | 7 | 24 | 0 | 160 mm | Ok | United States in October |
| November | 10° / 5° | 6 | 23 | 1 | 108 mm | Ok | United States in November |
| December | 5° / 1° | 7 | 17 | 7 | 166 mm | Awful | United States in December |
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