Click on a day for an hourly weather forecast
The weather in Wassenaar in January is very cold with temperatures between 3°C and 6°C, warm clothes are a must.
You can expect rain for roughly half of the month of January in Wassenaar. 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.
You can expect a few days of snow in Wassenaar during January. It’s important to get out your snow boots and warm mittens to stay warm while you explore Wassenaar.
Our weather forecast can give you a great sense of what weather to expect in Wassenaar in January 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 |