Flemish Brabant Weather in January

Average temperatures, rainfall, sunshine and the best places to visit in Flemish Brabant, Belgium in January.

Considering a trip to Flemish Brabant, Belgium this January and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What to Expect in Flemish Brabant in January

Flemish Brabant, Belgium is a region in Belgium. January in Flemish Brabant generally has cold temperatures, with moderate precipitation. The month of January is in the winter season.

Temperatures

You can expect cold maximum daytime temperatures of around 7°C (45°F) and nighttime temperatures around 2°C (36°F) in Leuven. Typically, it's the chilliest month of the year. Making it a great time for staying indoors and enjoying the warmth. Make sure you're prepared by packing the right winter outfits.

For specific regional insights in Flemish Brabant, Belgium, refer to the map provided below.

Precipitation

In January, precipitation varies across different areas. From moderate rainfall in Londerzeel with an average of 67 mm (2.6 in) to moderate rainfall in Montenaken with 73 mm (2.9 in).

Average sunshine

Sunshine is more restricted in many locations in January. Leuven sees roughly 54 hours of sunlight. Our weather planner can help you find destinations with more sunshine if needed.

Explore Flemish Brabant by month

Pick a month to see the average temperature, rainfall and sunshine in Flemish Brabant — and find the best time to visit. (based on Leuven)

Best Places to Visit in Flemish Brabant in January

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Flemish Brabant.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Flemish Brabant

What is the weather like in January for some of the most popular destinations in Flemish Brabant, Belgium?

Temperature range in Flemish Brabant (January)

Precipitation variation in Flemish Brabant (January)

Leuven

In January Leuven generally has low temperatures with maximum daytime temperatures around 7°C (45°F), minimum nighttime temperatures around 2°C (36°F) and moderate monthly rainfall. So on average the conditions are poor that month.

December
January
February
Max temperature
8°C (46°F)
7°C (45°F)
8°C (46°F)
Min temperature
2°C (36°F)
2°C (36°F)
2°C (36°F)
Monthly sun hours
45 hours
54 hours
77 hours
Monthly rainfall
79 mm (3.1 in)
68 mm (2.7 in)
70 mm (2.8 in)
Monthly rainy days
18 days
18 days
15 days
Weather conditions

Diegem

In January Diegem generally has low temperatures with maximum daytime temperatures around 7°C (45°F), minimum nighttime temperatures around 2°C (36°F) and moderate monthly rainfall. So on average the conditions are poor that month.

December
January
February
Max temperature
8°C (46°F)
7°C (45°F)
8°C (46°F)
Min temperature
2°C (36°F)
2°C (36°F)
2°C (36°F)
Monthly sun hours
45 hours
54 hours
77 hours
Monthly rainfall
78 mm (3.1 in)
67 mm (2.6 in)
69 mm (2.7 in)
Monthly rainy days
18 days
18 days
15 days
Weather conditions

Zaventem

In January Zaventem generally has low temperatures with maximum daytime temperatures around 7°C (45°F), minimum nighttime temperatures around 2°C (36°F) and moderate monthly rainfall. So on average the conditions are poor that month.

December
January
February
Max temperature
8°C (46°F)
7°C (45°F)
8°C (46°F)
Min temperature
2°C (36°F)
2°C (36°F)
2°C (36°F)
Monthly sun hours
45 hours
54 hours
77 hours
Monthly rainfall
78 mm (3.1 in)
67 mm (2.6 in)
69 mm (2.7 in)
Monthly rainy days
19 days
18 days
15 days
Weather conditions

Diest

In January Diest generally has low temperatures with maximum daytime temperatures around 7°C (45°F), minimum nighttime temperatures around 2°C (36°F) and moderate monthly rainfall. So on average the conditions are poor that month.

December
January
February
Max temperature
8°C (46°F)
7°C (45°F)
8°C (46°F)
Min temperature
2°C (36°F)
2°C (36°F)
2°C (36°F)
Monthly sun hours
47 hours
53 hours
74 hours
Monthly rainfall
83 mm (3.3 in)
71 mm (2.8 in)
71 mm (2.8 in)
Monthly rainy days
18 days
19 days
15 days
Weather conditions

Wemmel

In January Wemmel generally has low temperatures with maximum daytime temperatures around 7°C (45°F), minimum nighttime temperatures around 2°C (36°F) and moderate monthly rainfall. So on average the conditions are poor that month.

December
January
February
Max temperature
8°C (46°F)
7°C (45°F)
8°C (46°F)
Min temperature
2°C (36°F)
2°C (36°F)
2°C (36°F)
Monthly sun hours
45 hours
54 hours
77 hours
Monthly rainfall
78 mm (3.1 in)
67 mm (2.6 in)
68 mm (2.7 in)
Monthly rainy days
19 days
19 days
15 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Flemish Brabant, in Belgium.

In our records: Belgium January extremes

Notable January records observed across cities in Belgium in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the coldest January daytime high in Belgium was -15°C (5°F) in Francorchamps on January 12, 1987.

Popular cities in January

Day & night temperatures, rainfall and average weather in Flemish Brabant in January.

City Weather Day temp Night temp Rainfall
Leuven 7°C (45°F) 2°C (36°F) 68 mm (2.7 in)
Diegem 7°C (45°F) 2°C (36°F) 67 mm (2.6 in)
Zaventem 7°C (45°F) 2°C (36°F) 67 mm (2.6 in)
Diest 7°C (45°F) 2°C (36°F) 71 mm (2.8 in)
Wemmel 7°C (45°F) 2°C (36°F) 67 mm (2.6 in)
Aarschot 7°C (45°F) 2°C (36°F) 69 mm (2.7 in)

Flemish Brabant weather in January: frequently asked questions

What is the weather like in Flemish Brabant, Belgium in January?

January in Flemish Brabant, Belgium brings poor weather. In Leuven, daytime temperatures are typically around 7°C (45°F) and nighttime lows hover near 2°C (36°F).

What is the average temperature in Flemish Brabant, Belgium in January?

In Leuven, the average daytime high in January is 7°C (45°F), while nighttime temperatures drop to around 2°C (36°F).

Does Flemish Brabant, Belgium get a lot of rain in January?

Rain is generally moderate to light in Flemish Brabant, Belgium during January, with Leuven averaging close to 68 mm (2.7 in).

Is January a Good Time to Visit Flemish Brabant, Belgium?

In our view, January might not be the best time to travel to Flemish Brabant, Belgium with often poor weather in Leuven.

On average, the best time to visit Flemish Brabant, Belgium is in June, July, August and September with generally perfect weather in Leuven. On the other hand, the weather in January, February and December tend to be poor.

Interested in more climate information?

We have much more information about the climate in Flemish Brabant.

Weather and climate has detailed information for every country in the world. Are you going to Belgium? Get detailed historical weather averages for many cities in Belgium.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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