Castilly Weather in December

Castilly in December sees low temperatures, with highs around 10°C (50°F) and overnight lows of 5°C (41°F). Rainfall is at its peak this month, around 90 mm (3.5 in) on average, so waterproofs are essential.

Rainfall in Castilly in December

It's the month with the heaviest rainfall, so an umbrella is a must to navigate the wet weather. Past climate data indicates that roughly 17 days will see rain, totalling around 90 mm (3.5 in) for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Castilly in December

In December, Castilly gets low temperatures, with highs of 10°C (50°F). Nights cool to around 5°C (41°F). Experience the winter season in December. Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. Nights fall to 5°C (41°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Castilly in December

This month is characterized by fewer sunny days, with about 60 hours of sunshine. It's great for those who appreciate cooler, less sunny days.

December in Castilly has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.

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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 Castilly's climate page.

Castilly Temperature in December

Min Temperature 5°C (41°F)  

Max Temperature 10°C (50°F)  

Chance of Rain 58%  

Precipitation 90 mm (3.5 in)  

Rainy days 17 days  

Humidity 87% *  

Sunshine 60 hours *  

Percentage Sunshine *  

* Data from: Caen, France (48 KM, 30 Miles).

What to Wear in Castilly in December

The weather can be unpredictable in December, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. With limited sunshine expected, sunglasses aren't a priority for packing.

What To Do in Castilly in December

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

Swimming

4/10

Cycling

6/10

Walking

6/10

Camping

4/10

Outdoor sports

6/10

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 Castilly's climate page.

More climate data for Castilly

Temperature Rainfall Sunshine Humidity

See the full Castilly climate overview or explore weather in France.