Grimbergen Weather in December

December in Grimbergen brings low temperatures, with daytime highs of 8°C (46°F) and nights around 2°C (36°F). Quite a bit of rainfall is expected, around 77 mm (3 in), so pack an umbrella.

Rainfall in Grimbergen in December

Rain is expected on roughly 19 days, totalling around 77 mm (3 in) for the month. This is a month with many wet days but modest rainfall totals, so showers are generally light and easy to manage.

Temperature in Grimbergen in December

If you're visiting Grimbergen in December, expect highs of 8°C (46°F) and overnight lows around 2°C (36°F). The month of December belongs to the winter season. The days stay cool from start to finish. Layering up well will make outdoor time much more comfortable. At 2°C (36°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Grimbergen in December

The area experiences limited sunny days, amounting to roughly 45 hours of sunshine. This makes it perfect for those who lean towards cooler, cloudier settings rather than intense sunlit days.

Wind Speed in Grimbergen in December

Wind speeds average 4 m/s (8 knots) during December. At this speed, expect moderate winds that can raise dust and move small branches. Since this is an average, some days have gentle light winds while others experience stronger breezes that are quite noticeable.

December in Grimbergen can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.

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For a detailed overview over the year and the best time to visit Belgium, check out our Grimbergen's climate page.

Grimbergen Temperature in December

Min Temperature 2°C (36°F)  

Max Temperature 8°C (46°F)  

Chance of Rain 62%  

Precipitation 77 mm (3 in)  

Rainy days 19 days  

Humidity 86% *  

Windspeed 4 m/s (8 knots) *  

Sunshine 45 hours *  

Percentage Sunshine *  

* Data from: Brussels, Belgium (8 KM, 5 Miles).

What to Wear in Grimbergen in December

We recommend to layer up for chilly conditions in Grimbergen in December. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. Rain is likely on several days, so bring a good rain jacket. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.

What To Do in Grimbergen in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

4/10

Cycling

4/10

Walking

4/10

Camping

4/10

Outdoor sports

4/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Belgium, check out our Grimbergen's climate page.

More climate data for Grimbergen

Temperature Rainfall Sunshine Humidity Wind Speed

See the full Grimbergen climate overview or explore weather in Belgium.