The Frontier Gazette & Almanack
“Fair Warning for Every Town Under the Sky” · Est. 1881
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Brussels Weather in December

Brussels in December

The short of it: Brussels in December averages a high of 7 °C (45 °F) and a low of 3 °C (37 °F), with 84 mm (3.3 in) of rain and about 7 h 58 min of daylight. Rated 1 of 5 for a visit; the best months are April and June. Source: TerraClimate climate normals, 1991–2020.

Average high 7° · low 3° · rain 84 mm · daylight 7 h 58 min

✦ Travel with care for a visit · best months: April & June

December in Brussels brings afternoons near 7° and nights around 3°, with about 84 mm of rain over the month. Much like November: highs about 7°, nights near 3°. Pack the buffalo coat. It is the wettest month of the year here, about 84 mm.

The sun is up for about 7 h 58 min in mid-December, 53 minutes less than a month before.

For the traveller: pack a heavy coat, gloves and a scarf, and an oilskin besides. The Almanac rates December 1 of 5 for a visit; the finest months here are April and June.

Against its neighbours, Brussels runs warmer than most and about as wet in December. Ixelles, 2 km to the SSE, sees much the same highs.

December in Brussels, by the numbers

Warmth rank
11th warmest of 12
Rain rank
1st wettest of 12
Versus November
3° colder, 4.0 mm more rain
Versus January
about the same
Day–night spread
5°
Snow season
seldom any
Daylight, mid-month
7 h 58 min
Average wind
15 km/h

Neighbouring Towns

December averages · distance by the crow’s flight
TownDistanceHighLowRain
IxellesBrussels Capital2 km SSE7°2°86 mm
Molenbeek-Saint-JeanBrussels Capital3 km W7°3°84 mm
Saint-GillesBrussels Capital3 km S7°2°86 mm
JetteBrussels Capital3 km NNW7°3°84 mm
AnderlechtBrussels Capital3 km WSW7°3°84 mm
SchaerbeekBrussels Capital3 km NE7°2°85 mm
EtterbeekBrussels Capital3 km SE7°2°86 mm
ForestBrussels Capital4 km SSW7°3°83 mm
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The Almanac · Brussels Month by Month

Climate normals 1991–2020 · pick a month
PrecipitationAverage highAverage low
Travel with care
The Almanac Speaks
December
✦✦✦✦✦

Much like November: highs about 7°, nights near 3°. Pack the buffalo coat. It is the wettest month of the year here, about 84 mm.

Climate of Brussels by month
MonthHighLowRainWindDaylightVisit
January7°2°69 mm15 km/h8 h 24 min✦✦
February8°2°63 mm15 km/h9 h 56 min✦✦
March12°4°58 mm14 km/h11 h 43 min✦✦✦
April16°6°45 mm13 km/h13 h 45 min✦✦✦✦✦
May20°10°61 mm12 km/h15 h 30 min✦✦✦✦
June23°12°68 mm11 km/h16 h 29 min✦✦✦✦
July25°15°74 mm11 km/h16 h 5 min✦✦✦
August24°14°79 mm10 km/h14 h 32 min✦✦✦
September21°12°62 mm11 km/h12 h 32 min✦✦✦✦
October16°8°68 mm12 km/h10 h 35 min✦✦✦
November11°5°80 mm13 km/h8 h 50 min✦✦
December7°3°84 mm15 km/h7 h 58 min✦

Questions Readers Ask about Brussels in December

Answered from the wire & the Almanac

What is the weather like in Brussels in December?

Days average 7 °C (45 °F) and nights 3 °C (37 °F), with about 84 mm (3.3 in) of rain over the month. Much like November: highs about 7°, nights near 3°. Pack the buffalo coat. It is the wettest month of the year here, about 84 mm.

Is December a good time to visit Brussels?

The Almanac gives December 1 of 5 (travel with care). The best months are April and June.

How long are the days in Brussels in December?

In mid-December the sun is up for about 7 h 58 min. These are the shortest days of the year; the longest, in June, last 16 h 29 min.

Does it snow in Brussels in December?

Hardly — December nights average 3 °C (37 °F), above freezing.

What should I pack for Brussels in December?

A heavy coat, gloves, a hat and a scarf, plus a good raincoat — it is a wet month.

More Towns in Belgium

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The Editor’s Remark

“Weather is the only news that never grows stale. Each morning the sky writes its own front page, and we at Wanted Weather are but its telegraph operators.”— J. Whitmore, Editor
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