Belgium weather in May
Belgium in May averages 14°C (57°F), 61 mm of rain and 6.3 hours of sun a day.
Of the twelve months in Belgium, May is the fifth warmest, the third driest and the third sunniest.

- Average temp
- 14°C (57°F)
9–18°C · 49–65°F
- Rainfall
- 61 mm
Showers likely
- Sunshine
- 6.3 h
hours per day
What is Belgium like in May?
Daytime
Days are mild.
Rain
Some rain is likely; pack for showers.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for Belgium in May?
A light rain jacket
About 61 mm falls this month — showers rather than washouts.
A warm mid-layer
Nights drop to around 9°C (49°F).
May compared with April and June
May in Belgium is 3.4°C warmer than April and 14 mm wetter than it, which averages 10°C (51°F).
May in Belgium is 3°C cooler than June and 11 mm drier than it, which averages 17°C (62°F).
Daylight in Belgium in May
On 15 May the sun is up for 15 hours 33 minutes in Belgium, rising about 05:52 and setting about 21:26 local time.
May ends 1 hour 23 minutes longer than it begins, so the last week of the month is a different length of day from the first.
That is 57 minutes short of June, the longest-lit month here.
Travel guides for Belgium
What to read before you book.
Belgium weather by month
TemperatureRainfall
How May compares with the rest of the year
May is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 4°C / 39°F | 77 mm |
| February | 4°C / 40°F | 67 mm |
| March | 7°C / 45°F | 59 mm |
| April | 10°C / 51°F | 47 mm |
| May | 14°C / 57°F | 61 mm |
| June | 17°C / 62°F | 72 mm |
| July | 19°C / 66°F | 80 mm |
| August | 18°C / 65°F | 90 mm |
| September | 15°C / 60°F | 67 mm |
| October | 11°C / 53°F | 71 mm |
| November | 7°C / 45°F | 75 mm |
| December | 4°C / 39°F | 89 mm |
Similar weather in May
Other destinations whose May averages sit close to this one.
Check another month
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FAQs about Belgium in May
May climate averages for Belgium, 1991–2020.
Belgium averages 14°C (57°F) in May, ranging from about 9°C (49°F) at night to 18°C (65°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Some. About 61 mm falls across May, enough to need a light jacket but not enough to reshape a trip.
No. May averages 14°C (57°F) against 17°C (62°F) in June — 3°C cooler.
May is 3.4°C warmer than April, and 14 mm wetter.
Yes. May falls inside the most comfortable stretch of the year here, May to October, on temperature and rainfall together.
About 6.3 hours of sun a day on the 1991–2020 average.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what May is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 15 hours 33 minutes of daylight in mid-May, against 16 hours 30 minutes in June and 7 hours 58 minutes in December.
On 15 May, sunrise is about 05:52 and sunset about 21:26 local time. Both shift across the month — the month ends 1 hour 23 minutes longer than it starts.








