Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
The shift from March to April introduces a subtle increase in the average high-temperature, moving from a frosty 8.2°C (46.8°F) to a fresh 11.3°C (52.3°F). Throughout April nights, Heiloo records a consistent low-temperature averaging a frosty 7.3°C (45.1°F).Humidity
In Heiloo, the average relative humidity in April is 77%.Rainfall
The month with the least rainfall in Heiloo, Netherlands, is April, when the rain falls for 10.6 days and typically collects 11mm (0.43") of precipitation.Snowfall
April through November are months without snowfall in Heiloo.Daylight
In Heiloo, the average length of the day in April is 13h and 58min.On the first day of the month, sunrise is at 07:13 and sunset at 20:16. On the last day of April, sunrise is at 06:10 and sunset at 21:06 CEST.
Sunshine
In Heiloo, the average sunshine in April is 8.5h.UV index
The average daily maximum UV index in April in Heiloo is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum UV index of 3 in April translates into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Frequently asked questions
What is the average April temperature in Heiloo?
What is the average humidity in April in Heiloo?
What is the driest month in Heiloo?
How much does it rain in Heiloo in April?
When it does not snow in Heiloo?
Does it snow in Heiloo in April?
What is the average length of the day in April in Heiloo?
When are sunrise and sunset in April in Heiloo?
How long on average sun shines in April in Heiloo?
What is the UV index reading in April in Heiloo?
Average temperature in April
Heiloo, Netherlands
- Average high temperature in April: 11.3°C
The warmest month (with the highest average high temperature) is August (19.9°C).
The months with the lowest average high temperature are January and February (5.8°C).
- Average low temperature in April: 7.3°C
The month with the highest average low temperature is August (16.6°C).
The coldest month (with the lowest average low temperature) is February (3.3°C).
Average pressure in April
Heiloo, Netherlands
- Average pressure in April: 1015.9mbar
The month with the highest atmospheric pressure is September (1016.6mbar).
The month with the lowest atmospheric pressure is November (1010.9mbar).
Average wind speed in April
Heiloo, Netherlands
- Average wind speed in April: 18.6km/h
The windiest month (with the highest average wind speed) is December (28.4km/h).
The calmest month (with the lowest average wind speed) is July (18km/h).
Average humidity in April
Heiloo, Netherlands
- Average humidity in April: 77%
The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is August (76%).
Average rainfall in April
Heiloo, Netherlands
- Average rainfall in April: 11mm
The wettest month (with the highest rainfall) is August (48mm).
The driest month (with the least rainfall) is April (11mm).
Average rainfall days in April
Heiloo, Netherlands
- Average rainfall days in April: 10.6 days
The month with the highest number of rainy days is August (17.2 days).
The month with the least rainy days is April (10.6 days).
Average snowfall in April
Heiloo, Netherlands
- Average snowfall in April: 0mm
The month with the highest snowfall is February (9mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in April
Heiloo, Netherlands
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Heiloo, 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 3min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in April
Heiloo, Netherlands
- Average sunshine days in April: 17.7 days
The month with the most sunshine days is April (17.7 days).
The month with the least sunshine days is December (9.1 days).
Average UV index in April
Heiloo, 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
Heiloo, Netherlands
- Average cloud cover in April: 40
The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in April
Heiloo, Netherlands
- Average visibility in April: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and November (10km).
The month with the lowest visibility is December (9km).
Heiloo, Netherlands
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