Climate almanac
Hellevoetsluis
South Holland, The Netherlands · 51.83°, 4.13°
What is the climate like in Hellevoetsluis?
The best time to visit Hellevoetsluis is typically June – September, with trip comfort peaking in August (7.0/10). Hellevoetsluis is warmest in August, when daily highs average 73°F (23°C), and coolest in January, when lows fall to about 37°F (3°C). The wettest month is typically October and the driest is April; the year sees roughly 33 in (851 mm) of precipitation.
- Best time to visitJune – September — comfort peaks in August (7.0/10)
- Warmest monthAugust — average high 73°F (23°C)
- Coolest monthJanuary — average low 37°F (3°C)
- Wettest monthOctober (3.5 in (89 mm))
- Driest monthApril (2.1 in (54 mm))
- Annual precipitation33 in (851 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromHoek Van Holland, 18 km away (1971-2026)