Click on a day for an hourly weather forecast
The temperatures in Wassenaar in July are comfortable with low of 16°C and and high up to 20°C.
You can expect about 3 to 8 days of rain in Wassenaar during the month of July. 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 Wassenaar in July 2026.
If you’re planning to visit Wassenaar in the near future, we highly recommend that you review the 14 day weather forecast for Wassenaar before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 6° / 3° | 9 | 18 | 4 | 74 mm | Awful | Wassenaar in January |
| February | 6° / 3° | 8 | 16 | 4 | 57 mm | Awful | Wassenaar in February |
| March | 9° / 5° | 6 | 24 | 1 | 48 mm | Ok | Wassenaar in March |
| April | 13° / 7° | 3 | 27 | 1 | 35 mm | Ok | Wassenaar in April |
| May | 15° / 10° | 5 | 26 | 0 | 64 mm | Good | Wassenaar in May |
| June | 18° / 13° | 4 | 26 | 0 | 72 mm | Good | Wassenaar in June |
| July | 20° / 16° | 5 | 26 | 0 | 89 mm | Good | Wassenaar in July |
| August | 21° / 16° | 6 | 25 | 0 | 108 mm | Good | Wassenaar in August |
| September | 18° / 14° | 5 | 25 | 0 | 87 mm | Good | Wassenaar in September |
| October | 15° / 11° | 6 | 25 | 0 | 92 mm | Good | Wassenaar in October |
| November | 11° / 8° | 7 | 23 | 1 | 86 mm | Bad | Wassenaar in November |
| December | 8° / 5° | 8 | 20 | 3 | 87 mm | Awful | Wassenaar in December |