Click on a day for an hourly weather forecast
The weather in Roanoke in August is hot. The average temperatures are between 16°C and 30°C. Usually the days in August are hot while the nights are a bit cooler.
You can expect about 3 to 8 days of rain in Roanoke 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 Roanoke in August 2025.
If you’re planning to visit Roanoke in the near future, we highly recommend that you review the 14 day weather forecast for Roanoke before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 5° / -4° | 7 | 18 | 6 | 67 mm | Awful | Roanoke in January |
| February | 8° / -2° | 7 | 15 | 7 | 71 mm | Awful | Roanoke in February |
| March | 12° / 2° | 7 | 21 | 4 | 75 mm | Awful | Roanoke in March |
| April | 18° / 7° | 6 | 23 | 1 | 86 mm | Good | Roanoke in April |
| May | 24° / 11° | 7 | 24 | 0 | 116 mm | Good | Roanoke in May |
| June | 28° / 15° | 5 | 25 | 0 | 80 mm | Perfect | Roanoke in June |
| July | 31° / 17° | 4 | 27 | 0 | 75 mm | Good | Roanoke in July |
| August | 30° / 16° | 4 | 27 | 0 | 80 mm | Good | Roanoke in August |
| September | 26° / 14° | 4 | 26 | 0 | 77 mm | Perfect | Roanoke in September |
| October | 20° / 8° | 3 | 28 | 0 | 68 mm | Good | Roanoke in October |
| November | 13° / 2° | 4 | 25 | 1 | 55 mm | Ok | Roanoke in November |
| December | 8° / 0° | 6 | 22 | 3 | 73 mm | Bad | Roanoke in December |