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
Haarlem perceives a slight temperature ascent during April, with average high-temperatures adjusting from a frosty 8.2°C (46.8°F) in March to a cool 11.3°C (52.3°F). Throughout April, Haarlem reports a steady low-temperature average of 7.3°C (45.1°F), slightly lower than its daytime counterpart.Humidity
In Haarlem, the average relative humidity in April is 77%.Rainfall
The month with the least rainfall 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 Haarlem, Netherlands.Daylight
The average length of the day in April in Haarlem is 13h and 58min.On the first day of the month, sunrise is at 07:14 and sunset at 20:15. On the last day of April, in Haarlem, sunrise is at 06:10 and sunset at 21:06 CEST.
Sunshine
In April, the average sunshine in Haarlem is 8.5h.UV index
The average daily maximum UV index in April in Haarlem is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: An average maximum UV index of 3 in April leads to these recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Frequently asked questions
What are the temperatures in Haarlem in April?
What is the average humidity in April in Haarlem?
What is the driest month in Haarlem?
How many days does it rain in April in Haarlem?
When it does not snow in Haarlem?
Does it snow in Haarlem in April?
What is the average length of the day in April in Haarlem?
When are sunrise and sunset in April in Haarlem?
How long on average sun shines in April in Haarlem?
How high is the UV index in April in Haarlem?
Average temperature in April
Haarlem, 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
Haarlem, 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
Haarlem, 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
Haarlem, 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
Haarlem, 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
Haarlem, 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
Haarlem, 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
Haarlem, 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
Haarlem, Netherlands
- Average daylight in April: 14h and 0min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- 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
Haarlem, 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
Haarlem, 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
Haarlem, 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
Haarlem, 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).
Haarlem, Netherlands
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