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
The arrival of April introduces a minor uplift in high-temperatures, adjusting from a fresh 10.8°C (51.4°F) in March to a refreshing 15.5°C (59.9°F). Throughout the month of April, Boom witnesses an average low-temperature of 6.2°C (43.2°F).Humidity
The months with the lowest humidity in Boom are April, July and August, with an average relative humidity of 74%.Rainfall
The month with the least rainfall in Boom is April, when the rain falls for 9.5 days and typically collects 9mm (0.35") of precipitation.Snowfall
In Boom, snow does not fall in April through October.Daylight
In Boom, Belgium, the average length of the day in April is 13h and 52min.On the first day of April in Boom, sunrise is at 07:16 and sunset at 20:15. On the last day of the month, sunrise is at 06:16 and sunset at 21:03 CEST.
Sunshine
The average sunshine in April in Boom is 7.9h.UV index
The average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In April, the maximum UV index of 3 suggests these recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures in Boom?
What is the least humid month in Boom?
What is the average humidity in April in Boom?
What is the driest month in Boom?
How much does it rain in Boom in April?
When it does not snow in Boom?
Does it snow in Boom in April?
How many hours of daylight does Boom have in April?
When are sunrise and sunset in April in Boom?
How many hours of sunshine does Boom have in April?
How high is the UV index in April in Boom?
Average temperature in April
Boom, Belgium
- Average high temperature in April: 15.5°C
The warmest month (with the highest average high temperature) is July (23.4°C).
The month with the lowest average high temperature is January (5.4°C).
- Average low temperature in April: 6.2°C
The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).
Average pressure in April
Boom, Belgium
- Average pressure in April: 1015.8mbar
The month with the highest atmospheric pressure is September (1017.4mbar).
The month with the lowest atmospheric pressure is November (1012.3mbar).
Average wind speed in April
Boom, Belgium
- Average wind speed in April: 12.7km/h
The windiest month (with the highest average wind speed) is December (17.8km/h).
The calmest month (with the lowest average wind speed) is August (11.9km/h).
Average humidity in April
Boom, Belgium
- Average humidity in April: 74%
The month with the highest relative humidity is December (87%).
The months with the lowest relative humidity are April, July and August (74%).
Average rainfall in April
Boom, Belgium
- Average rainfall in April: 9mm
The wettest month (with the highest rainfall) is June (19mm).
The driest month (with the least rainfall) is April (9mm).
Average rainfall days in April
Boom, Belgium
- Average rainfall days in April: 9.5 days
The month with the highest number of rainy days is June (12.1 days).
The months with the least rainy days are February and September (7.7 days).
Average snowfall in April
Boom, Belgium
- Average snowfall in April: 0mm
The month with the highest snowfall is January (9mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in April
Boom, Belgium
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is January (2.5 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
Boom, Belgium
- Average daylight in April: 13h and 5min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in April: 7h and 5min
The months with the most sunshine are June and July (Average sunshine: 8h and 48min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in April
Boom, Belgium
- Average sunshine days in April: 17.2 days
The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is June (14.3 days).
Average UV index in April
Boom, 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
Boom, Belgium
- Average cloud cover in April: 43
The month with the most cloud cover is December (Cloud cover 64).
The months with the least cloud cover are April and August (Cloud cover 43).
Average visibility in April
Boom, Belgium
- Average visibility in April: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
