April weather forecastZwartsluis, Netherlands
April
Weather in April
April is a moderate spring month in Zwartsluis, Netherlands, with temperature in the range of an average high of 14.5°C (58.1°F) and an average low of 5.7°C (42.3°F).Temperature
Zwartsluis observes a slight ascent in average high-temperatures during April, adjusting from a frosty 9.8°C (49.6°F) in March to a refreshing 14.5°C (58.1°F). In April, Zwartsluis encounters an average low-temperature of 5.7°C (42.3°F) during the night.Humidity
With an average relative humidity of 75%, April is the least humid month.Rainfall
April is the month with the least rainfall in Zwartsluis. Rain falls for 9.4 days and accumulates 10mm (0.39") of precipitation.Snowfall
In Zwartsluis, snow does not fall in April through November.Daylight
In Zwartsluis, the average length of the day in April is 13h and 58min.On the first day of April, sunrise is at 07:08 and sunset at 20:10. On the last day of the month, sunrise is at 06:04 and sunset at 21:01 CEST.
Sunshine
In Zwartsluis, Netherlands, the average sunshine in April is 8h.UV index
The average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The UV index of 4 in April translates into these instructions:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Zwartsluis, Netherlands
- Average high temperature in April: 14.5°C
The warmest month (with the highest average high temperature) is August (22.3°C).
The month with the lowest average high temperature is January (4.6°C).
- Average low temperature in April: 5.7°C
The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is February (0.8°C).
Average pressure in April
Zwartsluis, Netherlands
- Average pressure in April: 1016mbar
The month with the highest atmospheric pressure is September (1016.8mbar).
The month with the lowest atmospheric pressure is November (1011.5mbar).
Average wind speed in April
Zwartsluis, Netherlands
- Average wind speed in April: 13.7km/h
The windiest month (with the highest average wind speed) is December (18.5km/h).
The calmest months (with the lowest average wind speed) are July and August (12.3km/h).
Average humidity in April
Zwartsluis, Netherlands
- Average humidity in April: 75%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is April (75%).
Average rainfall in April
Zwartsluis, Netherlands
- Average rainfall in April: 10mm
The wettest month (with the highest rainfall) is June (25mm).
The driest month (with the least rainfall) is April (10mm).
Average rainfall days in April
Zwartsluis, Netherlands
- Average rainfall days in April: 9.4 days
The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is October (8.9 days).
Average snowfall in April
Zwartsluis, Netherlands
- Average snowfall in April: 0mm
The month with the highest snowfall is January (11mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in April
Zwartsluis, Netherlands
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is February (2.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Zwartsluis, Netherlands
- Average daylight in April: 14h and 0min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in April: 8h and 0min
The month with the most sunshine is July (Average sunshine: 8h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in April
Zwartsluis, Netherlands
- Average sunshine days in April: 17.3 days
The month with the most sunshine days is October (19.3 days).
The month with the least sunshine days is June (13.3 days).
Average UV index in April
Zwartsluis, Netherlands
- Average UV index in April: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in April
Zwartsluis, Netherlands
- Average cloud cover in April: 44
The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 43).
Average visibility in April
Zwartsluis, Netherlands
- Average visibility in April: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (9km).
The month with the lowest visibility is September (8km).





