April weather forecastBrussels, Belgium

A beautiful slope garden with several museums, in the city of Brussels, Belgium

April

Weather in April

As winter gives way to spring, April in Brussels (Belgium) presents a notable change. Pleasantly warm temperatures are on the rise, with daytime highs reaching 14.2°C (57.6°F). Nonetheless, April rainfall is not uncommon, so umbrellas should stay within reach throughout the month. April's longer daylight hours and increased hours of sunshine suggest that spring is definitely here. The verdant city parks play host to admirers of blooming flora, frequently flooded with sunlight.

Temperature

The shift into April brings a slight increase in the average high-temperature, moving from a cool 10.4°C (50.7°F) in March to a mild 14.2°C (57.6°F). Brussels throughout April, experiences an average nighttime temperature of 5.3°C (41.5°F).

Humidity

April is the least humid month, with an average relative humidity of 72.5%.

Rainfall

The month with the least rainfall is April, when the rain falls for 15.9 days and typically collects 51mm (2.01") of precipitation.

Snowfall

Months with snowfall are January through April, November and December. April is the last month it regularly snows. Throughout April, there are 2.4 snowfall days. Throughout the year, there are 23.7 snowfall days.

Daylight

In April, the average length of the day is 13h and 51min.
On the first day of April, 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 21:02 CEST.

Sunshine

In April, the average sunshine is 5.3h.

UV index

In April, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 4 during April leads to these instructions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. The solar radiation around mid-day is intense; avoid the Sun and stay safe. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.

Updated: Aug 30, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

An average high-temperature, in April, in Brussels, is 14.2°C (57.6°F) and the average low-temperature is 5.3°C (41.5°F).

The least humid month is April, with an average relative humidity of 72.5%.

In Brussels, the average relative humidity in April is 72.5%.

April is the month with the least rainfall. Rain falls for 15.9 days and accumulates 51mm (2.01") of precipitation.

In April, the rain falls for 15.9 days. Throughout April, 51mm (2.01") of precipitation is accumulated.

April is the last month it regularly snows. Throughout April, there are 2.4 snowfall days.

The average day length in April is 13h and 51min.

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, sunrise is at 06:16 and sunset at 21:02 CEST.

The average sunshine duration in April is 5.3h.

In Brussels, the average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M April M J J A S O N D

Mar

April

May

Average high temperature

10.4°C

14.2°C

18.1°C

Average low temperature

Average humidity

Average rainfall

Average rainfall days

17.8

15.9

16.2

Average snowfall days

Average daylight

Average sunshine

Average UV index

Average temperature in April
Brussels, Belgium

Average high temperature in April: 14.2°C

The warmest month (with the highest average high temperature) is July (23°C).
The month with the lowest average high temperature is January (5.7°C).

Average low temperature in April: 5.3°C

The month with the highest average low temperature is July (14°C).
The coldest months (with the lowest average low temperature) are January and February (0.7°C).

Average humidity in April
Brussels, Belgium

Average humidity in April: 72.5%

The month with the highest relative humidity is December (88.8%).
The month with the lowest relative humidity is April (72.5%).

Average rainfall in April
Brussels, Belgium

Average rainfall in April: 51.3mm

The wettest month (with the highest rainfall) is December (81mm).
The driest month (with the least rainfall) is April (51.3mm).

Average rainfall days in April
Brussels, Belgium

Average rainfall days in April: 15.9 days

The month with the highest number of rainy days is December (19.3 days).
The month with the least rainy days is July (14.3 days).

Average snowfall days in April
Brussels, Belgium

Average snowfall days in April: 2.4 days

The month with the highest number of snowfall days is February (5.9 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
Brussels, Belgium

Average daylight in April: 13h and 54min

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: 5h and 18min

The month with the most sunshine is July (Average sunshine: 6h and 30min).
The month with the least sunshine is December (Average sunshine: 1h and 30min).

Average UV index in April
Brussels, Belgium

Average UV index in April: 4

The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 1).