Boulogne-sur-Mer Weather in December

December in Boulogne-sur-Mer brings low temperatures around 9°C (48°F) during the day, dropping to 4°C (39°F) at night, with the most rainfall of the year.

Rainfall in Boulogne-sur-Mer in December

Prepare for the wettest month with an umbrella to protect yourself from frequent rain. Typically, you can expect about 17 days of rain this month, with 105 mm (4.1 in) on average. Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.

Temperature in Boulogne-sur-Mer in December

December in Boulogne-sur-Mer brings low temperatures, with highs of 9°C (48°F) and nights around 4°C (39°F). December is known for being in the winter season. Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. Nights drop to 4°C (39°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Boulogne-sur-Mer in December

With limited sunshine this month, there are about 55 hours of sun. It's ideal for those who prefer a cooler, cloudier climate.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. July, August and September typically offer the best weather for Boulogne-sur-Mer.

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• January
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For a detailed overview over the year and the best time to visit France, check out our Boulogne-sur-Mer's climate page.

Boulogne-sur-Mer Temperature in December

Min Temperature 4°C (39°F)  

Max Temperature 9°C (48°F)  

Chance of Rain 55%  

Precipitation 105 mm (4.1 in)  

Rainy days 17 days  

Humidity 89% *  

Sunshine 55 hours *  

Percentage Sunshine *  

* Data from: Abbeville, France (67 KM, 42 Miles).

What to Wear in Boulogne-sur-Mer in December

Cold weather calls for smart layering in December. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Prepare for significant rainfall with proper waterproof clothing and shoes. With limited sunshine expected, sunglasses aren't a priority for packing.

What To Do in Boulogne-sur-Mer 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

3/10

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 France, check out our Boulogne-sur-Mer's climate page.

More climate data for Boulogne-sur-Mer

Temperature Rainfall Sunshine Humidity

See the full Boulogne-sur-Mer climate overview or explore weather in France.