Brussels weather
Our guide to the weather in Brussels during January
Brussels is a vibrant and cosmopolitan city, perfect for exploring in any season. January can be cold and wet, so visitors should be prepared for the weather. We've looked at the most up-to-date weather data for Brussels, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Brussels weather in January.
What's the temperature like in Brussels during January?
January is typically the coolest month in Brussels. The temperature reaches around 5℃ during the daytime, falling away to 1℃ at night. The UV index will be low at this time of year, so not something to worry about. However, if you're going to be outside for long periods it's always a good idea to apply a small amount of sunscreen to exposed skin.
Does it snow in Brussels during January?
Yes, although it doesn't snow as much as you might expect. It's worth checking the local forecast a few days before you leave home so that you can pack appropriate footwear and clothing.
Does it rain in Brussels during January?
On average, there will be 9 rainy days during the month, amounting to 90.5mm in total. That's a significant amount of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. There's a small chance that you'll catch a thunderstorm during your trip.
Is it windy in Brussels during January?
You're unlikely to experience any strong winds. Expect a gentle breeze that increases to moderate at times during January. With cold air temperatures at this time of year, any breeze will feel very cold.
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