April weather forecastVlaardingen, Netherlands
April
Weather in April
The month of April brings with it a noticeable improvement in weather conditions in Vlaardingen. While the temperature rises further to a comfortable 14.3°C (57.7°F), the frequency of rainfall lessens to an average of nine days per month. The ushering in of longer sunshine hours with daytime lengthening to almost 14 hours lightens moods and activities, bucking up the pace of the city. The visibility extends up to 10 kilometers indicating a clear transit in weather with less fog and more clarity. The wind speeds continue to soften, averaging at 14.4km/h (8.9mph) encouraging more outdoor adventures.Temperature
The transition from March to April brings a subtle temperature rise, with average high-temperatures increasing from a chilly 9.9°C (49.8°F) to a moderate 14.3°C (57.7°F). During the month of April, an average temperature of 6.8°C (44.2°F) is noted during the nights.Humidity
April is the least humid month, with an average relative humidity of 73%.Rainfall
The month with the least rainfall is April, when the rain falls for 9.5 days and typically collects 9mm (0.35") of precipitation.Snowfall
In Vlaardingen, snow does not fall in April through October.Daylight
In Vlaardingen, the average length of the day in April is 13h and 55min.On the first day of April, sunrise is at 07:15 and sunset at 20:16. On the last day of the month, sunrise is at 06:13 and sunset at 21:05 CEST.
Sunshine
The average sunshine in April in Vlaardingen is 8.3h.UV index
The average daily maximum UV index in April in Vlaardingen is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: In April, the maximum UV index of 3 translates into these guidelines:
Adopt protective measures - It is advised to guard against sun damage. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Vlaardingen, Netherlands
- Average high temperature in April: 14.3°C
The warmest months (with the highest average high temperature) are July and August (22°C).
The month with the lowest average high temperature is January (5.6°C).
- Average low temperature in April: 6.8°C
The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is February (2.3°C).
Average pressure in April
Vlaardingen, Netherlands
- Average pressure in April: 1015.9mbar
The month with the highest atmospheric pressure is September (1017mbar).
The month with the lowest atmospheric pressure is November (1011.4mbar).
Average wind speed in April
Vlaardingen, Netherlands
- Average wind speed in April: 14.4km/h
The windiest month (with the highest average wind speed) is December (20.2km/h).
The calmest months (with the lowest average wind speed) are July and August (13.6km/h).
Average humidity in April
Vlaardingen, Netherlands
- Average humidity in April: 73%
The month with the highest relative humidity is December (85%).
The month with the lowest relative humidity is April (73%).
Average rainfall in April
Vlaardingen, Netherlands
- Average rainfall in April: 9mm
The wettest month (with the highest rainfall) is June (24mm).
The driest month (with the least rainfall) is April (9mm).
Average rainfall days in April
Vlaardingen, Netherlands
- Average rainfall days in April: 9.5 days
The month with the highest number of rainy days is July (13.8 days).
The month with the least rainy days is February (8.5 days).
Average snowfall in April
Vlaardingen, Netherlands
- Average snowfall in April: 0mm
The month with the highest snowfall is February (19mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in April
Vlaardingen, Netherlands
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is February (2.2 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
Vlaardingen, Netherlands
- Average daylight in April: 13h and 54min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in April: 8h and 18min
The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in April
Vlaardingen, Netherlands
- Average sunshine days in April: 17.5 days
The month with the most sunshine days is April (17.5 days).
The month with the least sunshine days is July (13 days).
Average UV index in April
Vlaardingen, Netherlands
- Average UV index in April: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Vlaardingen, Netherlands
- Average cloud cover in April: 41
The month with the most cloud cover is December (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in April
Vlaardingen, Netherlands
- Average visibility in April: 10km
The months with the highest visibility are April, May, June and August (10km).
The months with the lowest visibility are January, February, March, July, September, October, November and December (9km).





