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
April
Weather in April
Temperature
Heverlee's weather in April shows a minor rise in the average high-temperature, moving slightly up from March's fresh 10.7°C (51.3°F) to a refreshing 15.3°C (59.5°F). Throughout April, an average low-temperature of 5.8°C (42.4°F) is experienced.Humidity
In Heverlee, the average relative humidity in April is 75%.Rainfall
In April, the rain falls for 11.3 days. Throughout April, 17mm (0.67") of precipitation is accumulated. Throughout the year, there are 162 rainfall days, and 393mm (15.47") of precipitation is accumulated.Snowfall
In Heverlee, snow does not fall in April through October.Daylight
The average length of the day in April in Heverlee is 13h and 51min.On the first day of April, sunrise is at 07:15 and sunset at 20:14. On the last day of the month, sunrise is at 06:15 and sunset at 21:01 CEST.
Sunshine
The average sunshine in April in Heverlee is 8.1h.UV index
In Heverlee, Belgium, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: During April, 3 as the daily maximum UV index converts into the following advice:
Ensure safety - Recommendations to avert sunburn are presented. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Experience reduced UV exposure by about half when donning a wide-brim hat. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Heverlee in April?
What is the average humidity in April in Heverlee?
How many days does it rain in April in Heverlee?
When it does not snow in Heverlee?
Does it snow in Heverlee in April?
What is the average length of the day in April in Heverlee?
What time are sunrise and sunset in April in Heverlee?
How many hours of sunshine does Heverlee have in April?
How high is the UV index in April in Heverlee?
Average temperature in April
Heverlee, Belgium
- Average high temperature in April: 15.3°C
The warmest month (with the highest average high temperature) is July (23.2°C).
The month with the lowest average high temperature is January (4.9°C).
- Average low temperature in April: 5.8°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is January (1°C).
Average pressure in April
Heverlee, Belgium
- Average pressure in April: 1015.8mbar
The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1012.5mbar).
Average wind speed in April
Heverlee, Belgium
- Average wind speed in April: 12.6km/h
The windiest month (with the highest average wind speed) is December (18.1km/h).
The calmest month (with the lowest average wind speed) is August (11.7km/h).
Average humidity in April
Heverlee, Belgium
- Average humidity in April: 75%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (74%).
Average rainfall in April
Heverlee, Belgium
- Average rainfall in April: 17mm
The wettest month (with the highest rainfall) is December (57mm).
The driest month (with the least rainfall) is September (16mm).
Average rainfall days in April
Heverlee, Belgium
- Average rainfall days in April: 11.3 days
The month with the highest number of rainy days is December (18.5 days).
The month with the least rainy days is September (8.5 days).
Average snowfall in April
Heverlee, Belgium
- Average snowfall in April: 0mm
The month with the highest snowfall is February (41mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in April
Heverlee, Belgium
- Average snowfall days in April: 0.2 days
The month with the highest number of snowfall days is February (5 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
Heverlee, Belgium
- Average daylight in April: 13h and 5min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in April: 8h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).
Average sunshine days in April
Heverlee, Belgium
- Average sunshine days in April: 16 days
The month with the most sunshine days is September (20.1 days).
The month with the least sunshine days is February (8.7 days).
Average UV index in April
Heverlee, Belgium
- 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
Heverlee, Belgium
- Average cloud cover in April: 41
The month with the most cloud cover is December (Cloud cover 62).
The months with the least cloud cover are April and August (Cloud cover 41).
Average visibility in April
Heverlee, Belgium
- Average visibility in April: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).
