Hellevoetsluis Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Hellevoetsluis.
Climate overview of Hellevoetsluis
Hellevoetsluis, Zuid-Holland, Netherlands, sees big temperature differences between seasons, with August peaking at 23°C (73°F) and January dropping to 8°C (46°F).
Hellevoetsluis sees a moderate amount of rain/snowfall, totalling around 867 mm (34 in) per year. It experiences warm summers and cold winters, creating some seasonal variation. May is the sunniest month, averaging 7.6 hours of sunshine per day.
Hellevoetsluis Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Hellevoetsluis - and find the best time to visit.
Monthly Temperature in Hellevoetsluis
Visitors to Hellevoetsluis can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a comfortable 23°C (73°F) in August, the warmest time of the year, to a chilly 8°C (46°F) during cooler months like January.
At night, you can expect temperatures ranging from 15°C (59°F) in August to around 2°C (36°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Hellevoetsluis
Generally, Hellevoetsluis experiences moderate precipitation patterns, averaging 867 mm (34 in) yearly. While rainfall varies throughout the year, each season offers its own charm. August brings wetter days averaging 85 mm (3.3 in) of precipitation, spread over 14 rainy days.
In contrast, the driest month April experiences a drier climate, with about 52 mm (2 in) of rainfall spread across 14 rainy days. For more details, please visit our Hellevoetsluis Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Hellevoetsluis
Seasonal changes in sunshine hours are quite dramatic in Hellevoetsluis. While May receives considerable daily sunshine with up to 7.6 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.8 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Hellevoetsluis by Month
The city experiences its highest humidity in November, reaching 89%. In May, the humidity drops to its lowest level at 77%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Hellevoetsluis
The mean wind speed varies between 4 m/s (8 knots) and 6 m/s (12 knots) throughout the year. It is lowest in August and September and highest during January, February, March, November and December. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Hellevoetsluis
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June, July, August and September
- Warmest weather: July and August
- Most sunshine: May and July
- Seasonal pattern: Warm summers and cold winters
Frequently asked questions about the climate in Hellevoetsluis
What is the best time to visit Hellevoetsluis?
June, July, August and September typically offer the most optimal weather in Hellevoetsluis. In contrast, January, February and December tend to have less optimal conditions. Hellevoetsluis has warm summers and cold winters.
What temperatures can I expect in Hellevoetsluis?
Daytime highs range from 8°C (46°F) in January to 23°C (73°F) in August. Nighttime lows range from 2°C (36°F) to 15°C (59°F). Temperatures vary considerably through the year.
How much rain does Hellevoetsluis get?
Annual rainfall is around 867 mm (34 in). August is the wettest month with 85 mm (3.3 in), while April is the driest with 52 mm (2 in).
How sunny is Hellevoetsluis?
Hellevoetsluis receives around 1,748 hours of sunshine per year. May is the sunniest month with 228 hours, while December is the cloudiest with just 54 hours.
Hellevoetsluis 3-Day Forecast
Hellevoetsluis on the map
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