Click on a day for an hourly weather forecast
The temperatures in Gatwick in August are usually low and can range between 12°C and 20°C.
You can expect rain for roughly half of the month of August in Gatwick. 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 Gatwick in August 2025.
If you’re planning to visit Gatwick in the near future, we highly recommend that you review the 14 day weather forecast for Gatwick before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 7° / 2° | 8 | 22 | 1 | 62 mm | Bad | Gatwick in January |
| February | 8° / 2° | 7 | 21 | 1 | 53 mm | Bad | Gatwick in February |
| March | 10° / 3° | 7 | 23 | 1 | 55 mm | Bad | Gatwick in March |
| April | 13° / 4° | 8 | 22 | 0 | 51 mm | Bad | Gatwick in April |
| May | 16° / 7° | 8 | 23 | 0 | 67 mm | Ok | Gatwick in May |
| June | 19° / 10° | 8 | 22 | 0 | 69 mm | Ok | Gatwick in June |
| July | 21° / 12° | 8 | 23 | 0 | 63 mm | Ok | Gatwick in July |
| August | 20° / 12° | 8 | 23 | 0 | 75 mm | Ok | Gatwick in August |
| September | 18° / 10° | 5 | 25 | 0 | 49 mm | Good | Gatwick in September |
| October | 15° / 8° | 8 | 23 | 0 | 85 mm | Ok | Gatwick in October |
| November | 10° / 5° | 9 | 21 | 0 | 83 mm | Bad | Gatwick in November |
| December | 8° / 3° | 9 | 21 | 1 | 73 mm | Bad | Gatwick in December |