Castets Weather in December

December in Castets averages 13°C (55°F) during the day and 6°C (43°F) at night. Quite a bit of rainfall is typical this month, with around 104 mm (4.1 in) on average. An umbrella is a good idea.

Rainfall in Castets in December

Expect around 16 days of rain based on historical data, with 104 mm (4.1 in) average. Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.

Temperature in Castets in December

In December, Castets gets moderate temperatures, with highs of 13°C (55°F). Nights cool to around 6°C (43°F). December is part of winter. Conditions are often most pleasant around the middle of the day. Nights fall to 6°C (43°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 Castets in December

With limited sunshine this month, there are about 89 hours of sun. It's ideal for those who prefer a cooler, cloudier climate.

December in Castets 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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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
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• July
• August

• September
• October
• November
• December

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

Castets Temperature in December

Min Temperature 6°C (43°F)  

Max Temperature 13°C (55°F)  

Chance of Rain 53%  

Precipitation 104 mm (4.1 in)  

Rainy days 16 days  

Humidity 78% *  

Sunshine 89 hours *  

Percentage Sunshine *  

* Data from: Biarritz, France (55 KM, 34 Miles).

What to Wear in Castets in December

Pack for changing conditions in Castets in December. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. 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 Castets in December

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

Swimming

4/10

Cycling

5/10

Walking

5/10

Camping

3/10

Outdoor sports

9/10

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 Castets's climate page.

More climate data for Castets

Temperature Rainfall Sunshine Humidity

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