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The weather in Haarlem 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 Haarlem. 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 Haarlem during January. It’s important to get out your snow boots and warm mittens to stay warm while you explore Haarlem.
Our weather forecast can give you a great sense of what weather to expect in Haarlem in January 2026.
If you’re planning to visit Haarlem in the near future, we highly recommend that you review the 14 day weather forecast for Haarlem before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 6° / 3° | 9 | 18 | 4 | 74 mm | Awful | Haarlem in January |
| February | 6° / 3° | 8 | 16 | 4 | 57 mm | Awful | Haarlem in February |
| March | 9° / 5° | 6 | 24 | 1 | 48 mm | Ok | Haarlem in March |
| April | 13° / 7° | 3 | 27 | 1 | 35 mm | Ok | Haarlem in April |
| May | 15° / 10° | 5 | 26 | 0 | 64 mm | Good | Haarlem in May |
| June | 18° / 13° | 4 | 26 | 0 | 77 mm | Good | Haarlem in June |
| July | 20° / 16° | 6 | 25 | 0 | 96 mm | Good | Haarlem in July |
| August | 21° / 16° | 6 | 25 | 0 | 116 mm | Good | Haarlem in August |
| September | 18° / 14° | 5 | 25 | 0 | 90 mm | Good | Haarlem in September |
| October | 15° / 11° | 7 | 24 | 0 | 97 mm | Ok | Haarlem in October |
| November | 11° / 8° | 7 | 22 | 1 | 89 mm | Bad | Haarlem in November |
| December | 8° / 5° | 8 | 20 | 3 | 87 mm | Awful | Haarlem in December |