Belgium - weather in May

In May, the last month of spring, the climate in Belgium is cool and quite rainy.

The average daily temperature is 13/14 °C (55/57 °F) on the coast (see Ostend) and in the plain (see Brussels, Antwerp), while it drops to 11 °C (52 °F) in the Ardennes (see Bastogne, Spa and Saint-Hubert), which are further from the sea and at about 500 meters (1,600 feet) above sea level.
In the coldest periods, which generally occur in the first part of the month, the night temperature can drop to about freezing, and during the day it can remain at around 10 °C (50 °F). On the other hand, on the warmest days, generally in the second half of the month, the temperature can exceed 25 °C (77 °F), and sometimes 30 °C (86 °F).

The rainfall increases slightly compared to April, and is quite frequent.

Although the sun in Belgium does not shine very often, it is the sunniest period of the year, which lasts until August.

The days are long, especially in the north, and their length gradually increases throughout the month. In May, the average day in Belgium is 15 and a half hours long.

The following tables show the climate averages in the month of May in Belgium in a selection of locations.

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Monthly climate averages - May

(from north to south)











See also: Belgium, the weather in April - June
The climate of Belgium