Average temperatures, rainfall and packing tips for Brussels, Belgium in January
January in Brussels is typically cold, with average daytime highs around 6°C and nights near 1°C. It is usually the coldest month of the year in Brussels.
Expect some rain: around 62 mm falls in Brussels during January on average.
If your dates are flexible, the most comfortable months in Brussels are usually May, June, July, August and September.
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In January, Brussels averages a daytime high of about 6°C and a night-time low of around 1°C, based on recent historical data. That makes it the coldest month of the year there.
Expect some rain: around 62 mm falls in Brussels during January on average.
January is cold in Brussels. City sightseeing works fine if you dress for it, but pack properly and expect short days. If your dates are flexible, the most comfortable months in Brussels are usually May, June, July, August and September.