| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 6.1° | 1.8° | 73mm | 17.2 | 25 |
| February | 6.7° | 1.9° | 58.3mm | 15.1 | 27 |
| March | 8.9° | 3.1° | 47.5mm | 13.1 | 38 |
| April | 12.5° | 5.5° | 38.5mm | 10.6 | 55 |
| May | 15.9° | 9° | 48.1mm | 11.1 | 65 |
| June | 18.8° | 11.9° | 66.2mm | 11.3 | 74 |
| July | 20.8° | 14.1° | 67.1mm | 12.5 | 75 |
| August | 21.3° | 14.6° | 91.1mm | 13 | 74 |
| September | 18.7° | 12.4° | 90.6mm | 14.1 | 68 |
| October | 14.7° | 9.2° | 100.7mm | 16.5 | 53 |
| November | 10.3° | 5.4° | 99.5mm | 19.5 | 39 |
| December | 7.1° | 2.7° | 84.1mm | 18.9 | 29 |
January in Den Helder averages a daily high of 6.1°C with nights around 1.8°C. Expect roughly 17.2 wet days totalling 73mm. A hard month to visit for comfort alone.
February in Den Helder averages a daily high of 6.7°C with nights around 1.9°C. Expect roughly 15.1 wet days totalling 58.3mm. A hard month to visit for comfort alone.
March in Den Helder averages a daily high of 8.9°C with nights around 3.1°C. Expect roughly 13.1 wet days totalling 47.5mm. Demanding conditions — pack for it and plan indoor options.
April in Den Helder averages a daily high of 12.5°C with nights around 5.5°C. Expect roughly 10.6 wet days totalling 38.5mm. Generally workable, with some weather to plan around.
May in Den Helder averages a daily high of 15.9°C with nights around 9°C. Expect roughly 11.1 wet days totalling 48.1mm. Generally workable, with some weather to plan around.
June in Den Helder averages a daily high of 18.8°C with nights around 11.9°C. Expect roughly 11.3 wet days totalling 66.2mm. Generally workable, with some weather to plan around.
July in Den Helder averages a daily high of 20.8°C with nights around 14.1°C. Expect roughly 12.5 wet days totalling 67.1mm. Comfortable conditions for being outdoors all day.
August in Den Helder averages a daily high of 21.3°C with nights around 14.6°C. Expect roughly 13 wet days totalling 91.1mm. Generally workable, with some weather to plan around.
September in Den Helder averages a daily high of 18.7°C with nights around 12.4°C. Expect roughly 14.1 wet days totalling 90.6mm. Generally workable, with some weather to plan around.
October in Den Helder averages a daily high of 14.7°C with nights around 9.2°C. Expect roughly 16.5 wet days totalling 100.7mm. Demanding conditions — pack for it and plan indoor options.
November in Den Helder averages a daily high of 10.3°C with nights around 5.4°C. Expect roughly 19.5 wet days totalling 99.5mm. Demanding conditions — pack for it and plan indoor options.
December in Den Helder averages a daily high of 7.1°C with nights around 2.7°C. Expect roughly 18.9 wet days totalling 84.1mm. A hard month to visit for comfort alone.
Each month scores out of 100. It starts at 100 and loses points for daytime highs outside a 20–27°C band, for wet days, and for nights below 2°C. Nothing else is weighted in — no crowd data, no prices, no opinion. Den Helder peaks at 75.
Based on 30 years of records, June–September scores highest for comfort in Den Helder, balancing daytime temperature against rainfall.
August is the warmest, averaging a daily high of 21.3°C.
October is the wettest, averaging 100.7mm of rain across roughly 16.5 wet days.
January is the coolest month, with average daily highs around 6.1°C.