Click on a day for an hourly weather forecast
The temperatures in Watford in August are comfortable with low of 14°C and and high up to 22°C.
You can expect about 3 to 8 days of rain in Watford 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 Watford in August 2025.
If you’re planning to visit Watford in the near future, we highly recommend that you review the 14 day weather forecast for Watford before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 7° / 2° | 8 | 20 | 3 | 73 mm | Awful | Watford in January |
| February | 8° / 3° | 8 | 16 | 4 | 70 mm | Awful | Watford in February |
| March | 11° / 4° | 5 | 25 | 1 | 58 mm | Ok | Watford in March |
| April | 14° / 6° | 4 | 25 | 1 | 49 mm | Good | Watford in April |
| May | 17° / 8° | 5 | 26 | 0 | 65 mm | Good | Watford in May |
| June | 20° / 11° | 5 | 25 | 0 | 93 mm | Good | Watford in June |
| July | 22° / 14° | 5 | 26 | 0 | 75 mm | Good | Watford in July |
| August | 22° / 14° | 5 | 26 | 0 | 77 mm | Good | Watford in August |
| September | 20° / 12° | 4 | 26 | 0 | 50 mm | Good | Watford in September |
| October | 15° / 9° | 6 | 25 | 0 | 77 mm | Good | Watford in October |
| November | 11° / 6° | 7 | 23 | 0 | 72 mm | Bad | Watford in November |
| December | 8° / 4° | 8 | 21 | 2 | 86 mm | Awful | Watford in December |