Click on a day for an hourly weather forecast
The temperatures in Exeter in August are usually low and can range between 14°C and 19°C.
You can expect about 3 to 8 days of rain in Exeter 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 Exeter in August 2025.
If you’re planning to visit Exeter in the near future, we highly recommend that you review the 14 day weather forecast for Exeter before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 9° / 6° | 10 | 19 | 1 | 125 mm | Bad | Exeter in January |
| February | 9° / 5° | 9 | 18 | 1 | 114 mm | Bad | Exeter in February |
| March | 10° / 6° | 8 | 22 | 1 | 86 mm | Bad | Exeter in March |
| April | 12° / 7° | 5 | 24 | 0 | 73 mm | Ok | Exeter in April |
| May | 14° / 9° | 6 | 25 | 0 | 82 mm | Good | Exeter in May |
| June | 17° / 12° | 6 | 24 | 0 | 96 mm | Good | Exeter in June |
| July | 19° / 14° | 6 | 25 | 0 | 98 mm | Good | Exeter in July |
| August | 19° / 14° | 7 | 24 | 0 | 106 mm | Ok | Exeter in August |
| September | 17° / 13° | 4 | 26 | 0 | 68 mm | Good | Exeter in September |
| October | 15° / 11° | 8 | 23 | 0 | 141 mm | Ok | Exeter in October |
| November | 12° / 9° | 9 | 21 | 0 | 137 mm | Bad | Exeter in November |
| December | 10° / 7° | 9 | 21 | 1 | 131 mm | Bad | Exeter in December |