Belgium weather in December
Belgium in December averages 4°C (39°F), 89 mm of rain and 1.5 hours of sun a day.
Of the twelve months in Belgium, December is the second coldest, the second wettest and the dullest.

- Average temp
- 4°C (39°F)
2–6°C · 35–44°F
- Rainfall
- 89 mm
Showers likely
- Sunshine
- 1.5 h
hours per day
What is Belgium like in December?
Daytime
Days are cool.
Rain
Some rain is likely; pack for showers.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for Belgium in December?
A light rain jacket
About 89 mm falls this month — showers rather than washouts.
A warm mid-layer
Nights drop to around 2°C (35°F).
December compared with November and January
December in Belgium is 3°C cooler than November and 15 mm wetter than it, which averages 7°C (45°F).
December in Belgium is about the same temperature as January and 13 mm wetter than it, which averages 4°C (39°F).
Daylight in Belgium in December
On 15 December the sun is up for 7 hours 58 minutes in Belgium, rising about 08:38 and setting about 16:36 local time.
December ends 14 minutes shorter than it begins, so the last week of the month is a different length of day from the first.
No month in Belgium has less daylight than December.
Travel guides for Belgium
What to read before you book.
Belgium weather by month
TemperatureRainfall
How December compares with the rest of the year
December 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 December
Other destinations whose December averages sit close to this one.
Check another month
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FAQs about Belgium in December
December climate averages for Belgium, 1991–2020.
Belgium averages 4°C (39°F) in December, ranging from about 2°C (35°F) at night to 6°C (44°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Some. About 89 mm falls across December, enough to need a light jacket but not enough to reshape a trip.
They are about the same. December averages 4°C (39°F) and January 4°C (39°F), so temperature alone will not decide between them.
December is 3°C cooler than November, and 15 mm wetter.
It is outside the easiest window. The most comfortable stretch here is May to October; December sits outside it, which usually means more heat, more rain, or both — worth it if you would rather have the place to yourself.
About 1.5 hours of sun a day on the 1991–2020 average, so daylight is short on useful sun.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what December is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 7 hours 58 minutes of daylight in mid-December, the least of any month in Belgium.
On 15 December, sunrise is about 08:38 and sunset about 16:36 local time. Both shift across the month — the month ends 14 minutes shorter than it starts.





