Click on a day for an hourly weather forecast
The weather in Somerset in August is hot. The average temperatures are between 20°C and 29°C.
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° / -4° | 8 | 21 | 3 | 83 mm | Awful | Somerset in January |
| February | 5° / -3° | 7 | 18 | 3 | 92 mm | Awful | Somerset in February |
| March | 10° / 1° | 7 | 22 | 2 | 116 mm | Awful | Somerset in March |
| April | 16° / 7° | 7 | 23 | 0 | 106 mm | Ok | Somerset in April |
| May | 21° / 12° | 9 | 22 | 0 | 105 mm | Ok | Somerset in May |
| June | 26° / 17° | 9 | 21 | 0 | 121 mm | Good | Somerset in June |
| July | 30° / 21° | 11 | 20 | 0 | 132 mm | Ok | Somerset in July |
| August | 29° / 20° | 9 | 22 | 0 | 128 mm | Ok | Somerset in August |
| September | 25° / 16° | 7 | 23 | 0 | 96 mm | Good | Somerset in September |
| October | 18° / 11° | 7 | 24 | 0 | 127 mm | Ok | Somerset in October |
| November | 11° / 4° | 6 | 24 | 0 | 82 mm | Ok | Somerset in November |
| December | 6° / 0° | 7 | 22 | 2 | 124 mm | Awful | Somerset in December |