April weather forecastBoom, Belgium

April

Weather in April

April is a refreshing spring month in Boom, Belgium, with an average temperature fluctuating between 6.2°C (43.2°F) and 15.5°C (59.9°F).

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.

Frequently asked questions

April temperatures in Boom vary between a high-temperature of 15.5°C (59.9°F) and a low-temperature of 6.2°C (43.2°F).

The months with the lowest humidity in Boom are April, July and August, with an average relative humidity of 74%.

In April, the average relative humidity is 74%.

The month with the least rainfall in Boom, Belgium, is April, when the rain falls for 9.5 days and typically collects 9mm (0.35") of precipitation.

In April, in Boom, Belgium, the rain falls for 9.5 days. Throughout April, 9mm (0.35") of precipitation is accumulated.

In Boom, snow does not fall in April through October.

In April, in Boom, it doesn't snow. March is the latest month when it typically snows.

In April, the average day length in Boom, Belgium, is 13h and 52min.

In April, on the first day of the month, sunrise is at 07:16 and sunset at 20:15. On the last day of the month, in Boom, sunrise is at 06:16 and sunset at 21:03 CEST.

In April, the average sunshine duration is 7.9h.

In Boom, Belgium, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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 54min

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 54min

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).