April weather forecast and climate
Delle, Belgium

Weather in April

April in Delle, Belgium, is a mild spring month, with average temperature varying between 15.3°C (59.5°F) and 5.8°C (42.4°F).

Temperature

In Delle, the average high-temperature marginally rises, from a cool 10.7°C (51.3°F) in March, to a mild 15.3°C (59.5°F). In Delle, in April, the average low-temperature is 5.8°C (42.4°F).

Humidity

In April, the average relative humidity is 75%.

Rainfall

In Delle, during April, the rain falls for 11.3 days and regularly aggregates up to 17mm (0.67") of precipitation. Throughout the year, in Delle, there are 162 rainfall days, and 393mm (15.47") of precipitation is accumulated.

Snowfall

In Delle, Belgium, snow does not fall in April through October.

Daylight

The average length of the day in Delle is 13.9h.

Sunshine

In Delle, the average sunshine is 8.1h.

UV index

In April, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to the UV radiation for the average person.
Note: In April, the average maximum UV index of 3 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in April in Delle?

In April, in Delle, Belgium, the average high-temperature is 15.3°C (59.5°F), and the average low-temperature is 5.8°C (42.4°F).

What is the average humidity in April in Delle?

In April, the average relative humidity in Delle is 75%.

How many days does it rain in April in Delle?

In April, the rain falls for 11.3 days. Throughout April, 17mm (0.67") of precipitation is accumulated.

Does it snow in Delle in April?

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

When it does not snow in Delle?

In Delle, Belgium, snow does not fall in April through October.

How many hours of daylight does Delle have in April?

In April, the average length of the day in Delle, Belgium, is 13.9h.

How many hours of sunshine does Delle have in April?

In Delle, Belgium, the average sunshine in April is 8.1h.

What is the UV index reading in April in Delle?

In April, the average daily maximum UV index in Delle is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from the exposure to the Sun's UV radiation.

Average temperature in April
Delle, Belgium

Average temperature in April - Delle, 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).

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Average pressure in April
Delle, Belgium

Average pressure in April - Delle, 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).

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Average wind speed in April
Delle, Belgium

Average wind speed in April - Delle, 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).

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Average humidity in April
Delle, Belgium

Average humidity in April - Delle, 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%).

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Average rainfall in April
Delle, Belgium

Average rainfall in April - Delle, 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).

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Average rainfall days in April
Delle, Belgium

Average rainfall days in April - Delle, 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).

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Average snowfall in April
Delle, Belgium

Average snowfall in April - Delle, Belgium
  • Average snowfall in April: 0mm

The month with the highest snowfall is February (41mm).
Months with the least snowfall are April, May, June, July, August, September and October (0mm).

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Average snowfall days in April
Delle, Belgium

Average snowfall days in April - Delle, Belgium
  • Average snowfall days in April: 0.2 days

The month with the highest number of snowfall days is February (5 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in April /
Average sunshine in April
Delle, Belgium

Average daylight in April / Average sunshine in April - Delle, Belgium
  • Average daylight in April: 13.9h

The month with the longest days is June (Average daylight: 16.4h).
The month with the shortest days is December (Average daylight: 8h).

  • Average sunshine in April: 8.1h

The month with the most sunshine is July (Average sunshine: 9.2h).
The month with the least sunshine is December (Average sunshine: 3.8h).

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Average sunshine days in April
Delle, Belgium

Average sunshine days in April - Delle, 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).

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Average UV index in April
Delle, Belgium

Average UV index in April - Delle, Belgium
  • Average UV index in April: 3

Months with the highest UV index are June, July and August (UV index 5).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in April
Delle, Belgium

Average cloud cover in April - Delle, Belgium
  • Average cloud cover in April: 41

The month with the most cloud cover is December (Cloud cover 62).
Months with the least cloud cover are April and August (Cloud cover 41).

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Average visibility in April
Delle, Belgium

Average visibility in April - Delle, Belgium
  • Average visibility in April: 9km

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).

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