Belgium weather in May 2026
May
Belgium weather in May 2026
May
Day
17 °C
Night
9 °C
Sea
12 °C
Precipitation
57 mm
in month
Rainy days
11 days
in month
Daylight
15 hours
average
Sunshine
7 hours
average
Humidity
78 %
Day
17 °C
Night
9 °C
Sea
12 °C
Precipitation
57 mm
in month
Rainy days
11 days
in month
Daylight
15 hours
average
Sunshine
7 hours
average
Humidity
78 %
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Weather overview and FAQs
Weather overview
In Belgium in May, the average air temperature ranges from 17 °C (62 °F) during the day to 9 °C (49 °F) at night. There are 11 days of rain on average, where the rainfall is 57 mm (2.26 in).
Is May a good month to visit Belgium?
In May there are not good conditions to visit Belgium. A relatively low temperature of 17 °C (62 °F) may be ideal for walking or outdoor activities, but some people may have a different idea of the holiday. The temperature of 9 °C (49 °F) at night may make it better to dine inside or to put on more clothes for a dinner outside.
What temperature can I expect during the day in Belgium in May?
In May in Belgium, the average daily temperatures will be 17 °C (62 °F). Nice temperature for walking around the city or on the beach, but you will probably get cold soon when wearing a swimsuit. When walking around all day, people used to cold conditions, pull out their shorts and get rid of their sweaters. On some days, when spending time in the direct sun, sunscreen can be useful, especially for people with more sensitive skin.
How heavy is the precipitation in May in Belgium?
There is precipitation of 57 mm (2.26 in) in May in Belgium, which means 2 mm (0.07 in) rainfall per day on average.
What is the air temperature in Belgium in May at night?
The average night temperature in Belgium in May is 9 °C (49 °F). The nights will be cool, layers of clothes will be needed for evening and morning walks, the hotel should be equipped with heating.
What is the average number of rainy days in Belgium in May?
In Belgium in May, we can expect 11 days to be rainy, that is, days when precipitation exceeds 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 2.5 days of the week, or in general - 35 % days.
How many hours of sun to expect in May in Belgium?
There is an average length of sunshine of 7 hours per day in Belgium in May.
How does the sea temperature evolve during the month in Belgium in May?
The sea temperature during May in Belgium has an increasing tendency from 10 °C (50 °F) at the beginning of the month to 13 °C (55 °F) at the end of the month.
How windy is it in May in Belgium?
An average wind scale that can be expected in Belgium in May is 5.
How long is the day (from dawn till dusk) in Belgium in May?
The length of daylight in Belgium in May is 15 hours.
Is there a wet season in May in Belgium?
No, there is no wet season in Belgium in May - you can expect 11 days of rain during the month.
Is the temperature rising or falling in the course of time in Belgium in May?
Over the course of May in Belgium, the temperatures are rising from 15 °C (59 °F) at the beginning of the month to 18 °C (65 °F) at the end of the month.
What is the humidity in May in Belgium?
In May in Belgium, expect humidity around 78 %.
Is Belgium rainier in May than in June?
No, May in Belgium is not a rainier month than June.
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