Les Ulis Weather in December

Les Ulis in December sees low temperatures, with highs around 9°C (48°F) and overnight lows of 2°C (36°F). Rainfall is at its peak this month, around 73 mm (2.9 in) on average, so waterproofs are essential.

Rainfall in Les Ulis in December

Since this month has the highest rainfall, keep an umbrella with you to handle sudden showers. Climate statistics over the past 30 years suggest around 16 days of rain, with 73 mm (2.9 in) average for the month. Expect plenty of grey, overcast days rather than intense storms. The rain rarely amounts to much on any given day.

Temperature in Les Ulis in December

Les Ulis in December gets highs of 9°C (48°F) during the day and drops to 2°C (36°F) at night. December is typically considered a winter month. The days stay cool from start to finish. Layering up well will make outdoor time much more comfortable. Nights drop to 2°C (36°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Les Ulis in December

This month is characterized by fewer sunny days, with about 58 hours of sunshine. It's great for those who appreciate cooler, less sunny days.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Les Ulis. Our weather planner can help you explore destinations with more pleasant weather conditions.

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 Les Ulis's climate page.

Les Ulis Temperature in December

Min Temperature 2°C (36°F)  

Max Temperature 9°C (48°F)  

Chance of Rain 54%  

Precipitation 73 mm (2.9 in)  

Rainy days 16 days  

Humidity 84% *  

Sunshine 58 hours *  

Percentage Sunshine 22% *  

* Data from: Paris, France (37 KM, 23 Miles).

What to Wear in Les Ulis 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. Rain gear is recommended, you can expect wet weather on multiple days. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.

What To Do in Les Ulis 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 France, check out our Les Ulis's climate page.

More climate data for Les Ulis

Temperature Rainfall Sunshine Humidity

See the full Les Ulis climate overview or explore weather in France.