Weather in Brussels in January 2025
- January is usually the coldest month of the year in Brussels;
Average weather
Average temperature in Brussels in January
Going from a maximum of +16°C during the day to a minimum of -3°C during the night, the temperature in January averages around +7°C.
The average maximum temperature goes down 42% by the end of the month, compared with the beginning of the month, from +16°C to +8°C.
Is Brussels warm or cold in January?
Brussels is typically cool in January.
Maximum temperatures go down compared to the previous month from +7°C to +6°C. The minimum temperature also goes down from +3°C to +1°C.
Pack a sweater and a jacket as there will be cooler temperatures.
January is the coldest month in Brussels, here is the comparison with other months:
Climate in Brussels in January
| December | January | February | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +7°C | +6°C | +7°C | ||||
| Min. temperature | ||||||
| -13°C | -20°C | -13°C | ||||
| Max. temperature | ||||||
| +17°C | +18°C | +19°C | ||||
| Rainfall | ||||||
| 65 mm | 58 mm | 49 mm | ||||
| Wind | ||||||
| 4 m/s | 4 m/s | 4 m/s | ||||
| Humidity | ||||||
| 86% | 84% | 80% | ||||
| Air pressure | ||||||
| 1015 HPa | 1016 HPa | 1017 HPa | ||||
| Sunny days | ||||||
| 2 | 2 | 4 | ||||
| Cloudy days | ||||||
| 11 | 11 | 10 | ||||
| Rainy days | ||||||
| 14 | 14 | 11 | ||||
| Snowy days | ||||||
| 3 | 4 | 3 | ||||
January often has better weather than December. It’s getting colder in January. From +7°C in the day, the average maximum temperature lowers to +6°C. As January arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 65 mm to 58 mm. It feels drier, as humidity decreases from 86% to 84%. The average wind speed doesn’t change much during January, staying around 4 m/s. The amount of sunny days stay about the same, averaging 2 sunny days during the month.
February brings much the same weather, it remains ok.
Wind
The average wind speed is 5 m/s getting up to 10 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Brussels is gradually decreasing during January, going from 7 m/s to 5 m/s over the course of the month.
Rain
Snow
January is one of the snowiest months in Brussels.
Here’s how January is compared with other months in the amount of snow, total mm:
How was the weather last January in Brussels?
Climate Change over Years
The climate in Brussels in January has not changed much over the last 43 years.
The average temperature was the lowest in 1985 (+13°C) and the highest in 2022 (+17°C). The driest year was 1996 with only 558 mm of rainfall, and the wettest year was 2022 with 1284 mm.
FAQ
Is January a good time to visit Brussels?
Can you sunbathe in Brussels in January?
Is Brussels rainy in January?
Is it sunny in Brussels in January?
Other cities in Belgium
Monthly weather in Brussels
Source of the data
For this page, we’ve looked at the typical weather in Brussels, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.