Click on a day for an hourly weather forecast
The temperatures in Wyoming in August are quite cold with temperatures between 6°C and 21°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Wyoming 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.
Please note that Wyoming can expect a few days of snow in August.
Our weather forecast can give you a great sense of what weather to expect in Wyoming in August 2025.
If you’re planning to visit Wyoming in the near future, we highly recommend that you review the 14 day weather forecast for Wyoming before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -6° / -15° | 3 | 5 | 24 | 112 mm | Awful | Wyoming in January |
| February | -6° / -15° | 4 | 1 | 25 | 118 mm | Awful | Wyoming in February |
| March | -1° / -11° | 6 | 1 | 27 | 129 mm | Awful | Wyoming in March |
| April | 2° / -8° | 7 | 2 | 26 | 141 mm | Awful | Wyoming in April |
| May | 9° / -3° | 15 | 2 | 22 | 163 mm | Awful | Wyoming in May |
| June | 16° / 3° | 10 | 11 | 8 | 113 mm | Bad | Wyoming in June |
| July | 22° / 7° | 6 | 25 | 1 | 56 mm | Good | Wyoming in July |
| August | 21° / 6° | 7 | 23 | 1 | 67 mm | Ok | Wyoming in August |
| September | 16° / 3° | 6 | 19 | 5 | 76 mm | Ok | Wyoming in September |
| October | 6° / -4° | 7 | 7 | 17 | 94 mm | Awful | Wyoming in October |
| November | -2° / -10° | 4 | 6 | 21 | 100 mm | Awful | Wyoming in November |
| December | -7° / -16° | 3 | 3 | 25 | 111 mm | Awful | Wyoming in December |