Click on a day for an hourly weather forecast
The weather in Somerset in August is hot. The average temperatures are between 19°C and 30°C. Usually the days in August are hot while the nights are a bit cooler.
You can expect rain for roughly half of the month of August in Somerset. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Somerset in August 2025.
If you’re planning to visit Somerset in the near future, we highly recommend that you review the 14 day weather forecast for Somerset before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 3° / -5° | 4 | 21 | 7 | 46 mm | Awful | Somerset in January |
| February | 4° / -4° | 3 | 17 | 8 | 58 mm | Awful | Somerset in February |
| March | 12° / 3° | 6 | 21 | 3 | 129 mm | Bad | Somerset in March |
| April | 17° / 8° | 7 | 22 | 1 | 127 mm | Ok | Somerset in April |
| May | 23° / 13° | 9 | 22 | 0 | 190 mm | Good | Somerset in May |
| June | 29° / 19° | 9 | 21 | 0 | 148 mm | Ok | Somerset in June |
| July | 30° / 20° | 9 | 22 | 0 | 184 mm | Ok | Somerset in July |
| August | 30° / 19° | 8 | 23 | 0 | 167 mm | Ok | Somerset in August |
| September | 26° / 16° | 6 | 24 | 0 | 119 mm | Perfect | Somerset in September |
| October | 19° / 9° | 5 | 25 | 1 | 109 mm | Good | Somerset in October |
| November | 12° / 3° | 4 | 25 | 1 | 68 mm | Ok | Somerset in November |
| December | 6° / -2° | 3 | 23 | 5 | 61 mm | Awful | Somerset in December |