Monthly climate guide
Brussels weather in January
January in Brussels is typically cold, with average daytime highs around 6°C (43°F) and night-time lows near 1°C (33°F). The month usually brings about 71 mm of rain (some rain) and is often cloudy. Daytime highs are about the same as December and about the same as February.
What stands out in January
- Expect more cloud than at any other time of year.
- January brings mid-winter to Brussels.
- Short daylight hours mean Manneken Pis is best seen around midday.
- There's little difference between day and night (around 5°C).
January is typically Brussels's coolest month.
Avg high
6°C
43°F
Avg low
1°C
33°F
Rainfall
71 mm
some rain
Humidity
93%
relative
Sky
80%
cloud · often cloudy
Brussels weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 6°C / 43°F | 1°C / 33°F | 71 mm | 93% | 80% |
| February | 7°C / 45°F | 0°C / 32°F | 54 mm | 89% | 71% |
| March | 11°C / 52°F | 2°C / 35°F | 49 mm | 84% | 66% |
| April | 15°C / 60°F | 5°C / 40°F | 34 mm | 77% | 63% |
| May | 19°C / 65°F | 8°C / 46°F | 54 mm | 76% | 67% |
| June | 22°C / 71°F | 11°C / 52°F | 69 mm | 75% | 70% |
| July | 24°C / 74°F | 13°C / 56°F | 72 mm | 74% | 67% |
| August | 24°C / 74°F | 13°C / 56°F | 68 mm | 74% | 65% |
| September | 21°C / 69°F | 11°C / 51°F | 52 mm | 78% | 61% |
| October | 16°C / 60°F | 8°C / 46°F | 64 mm | 85% | 71% |
| November | 10°C / 51°F | 4°C / 39°F | 56 mm | 91% | 74% |
| December | 7°C / 45°F | 2°C / 36°F | 84 mm | 93% | 79% |
What to pack for January
- A proper insulated winter coat
- A hat, scarf and gloves
- A compact umbrella or packable rain jacket
- Water-resistant shoes
Is January a good time to visit Brussels?
Our Brussels guide recommends: May to September for the mildest weather; Brussels sees rain in every season, so pack a light jacket.
Try fries from a friterie and waffles from a proper bakery rather than the tourist stalls around the Grand-Place.
Best time to visit Brussels →Other Belgium cities in January
Cite or embed this data
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Brussels weather in January. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/belgium/brussels/january
<a href="https://weathercompare.eu/weather/belgium/brussels/january">Brussels weather in January</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/belgium/brussels" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Brussels weather in January"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/belgium/brussels/january">Brussels weather in January</a> – WeatherCompare</p>
Brussels in January: quick answers
Is January a good time to visit Brussels?
January is cool in Brussels, with highs around 6°C. Better for museums and city walks than the beach, and usually quieter.
How warm is Brussels in January?
Average highs are about 6°C (43°F) and average lows about 1°C (33°F), based on 10 years of daily data.
Does it rain a lot in Brussels in January?
Brussels typically gets around 71 mm of rain in January — some rain.
When is the best time to visit Brussels?
May to September for the mildest weather; Brussels sees rain in every season, so pack a light jacket.
Figures are long-term averages for the area around Brussels (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.