Click on a day for an hourly weather forecast
The weather in Dover in August is hot. The average temperatures are between 20°C and 28°C.
You can expect rain for roughly half of the month of August in Dover. 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 Dover in August 2025.
If you’re planning to visit Dover in the near future, we highly recommend that you review the 14 day weather forecast for Dover before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 4° / -2° | 6 | 19 | 6 | 105 mm | Awful | Dover in January |
| February | 6° / -1° | 7 | 16 | 6 | 136 mm | Awful | Dover in February |
| March | 10° / 3° | 8 | 20 | 3 | 140 mm | Awful | Dover in March |
| April | 16° / 8° | 7 | 23 | 0 | 121 mm | Ok | Dover in April |
| May | 22° / 14° | 8 | 23 | 0 | 153 mm | Ok | Dover in May |
| June | 26° / 18° | 8 | 22 | 0 | 191 mm | Good | Dover in June |
| July | 29° / 21° | 10 | 21 | 0 | 208 mm | Ok | Dover in July |
| August | 28° / 20° | 8 | 23 | 0 | 203 mm | Good | Dover in August |
| September | 25° / 17° | 6 | 24 | 0 | 139 mm | Perfect | Dover in September |
| October | 19° / 12° | 6 | 25 | 0 | 173 mm | Good | Dover in October |
| November | 12° / 6° | 5 | 25 | 0 | 110 mm | Ok | Dover in November |
| December | 8° / 2° | 7 | 21 | 3 | 154 mm | Awful | Dover in December |