Castets Weather in January

January in Castets sees daytime temperatures around 13°C (55°F) and lows of 5°C (41°F) at night. With around 98 mm (3.9 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Castets in January

Historically, January sees about 17 days of rain, with a monthly average of 98 mm (3.9 in). A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Castets in January

If you're visiting Castets in January, expect highs of 13°C (55°F) and overnight lows around 5°C (41°F). During January, you'll experience the winter season. Conditions are often most pleasant around the middle of the day. 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. This time of year is known for its most moderate and comfortable temperatures.

Sunshine in Castets in January

The city usually sees around 99 hours of sunlight, indicating fewer sunny days.

For Castets itself, May, June, July, August, September and October generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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.

Castets Temperature in January

Min Temperature 5°C (41°F)  

Max Temperature 13°C (55°F)  

Chance of Rain 56%  

Precipitation 98 mm (3.9 in)  

Rainy days 17 days  

Humidity 77% *  

Sunshine 99 hours *  

Percentage Sunshine *  

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

What to Wear in Castets in January

Pack for changing conditions in Castets in January. 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. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.

What To Do in Castets in January

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 Castets's climate page.

More climate data for Castets

Temperature Rainfall Sunshine Humidity

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