inland destination · warmest in Jul · mid-range
Open Hellevoetsluis on the live value map →| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg °C | 3 | 3 | 6 | 8 | 12 | 15 | 17 | 17 | 15 | 11 | 7 | 4 |
| Rain (days) | 63 | 48 | 60 | 42 | 49 | 69 | 71 | 59 | 83 | 84 | 86 | 73 |
Warmest month: Jul. Driest: Apr.
No mild-temperature months (18–28°C) — expect extremes.