Callac Weather in December

December in Callac averages 10°C (50°F) during the day and 4°C (39°F) at night. It is the wettest month of the year, with 97 mm (3.8 in) of rainfall on average, so waterproof gear is a must.

Rainfall in Callac in December

This month is known for heavy rainfall, so don't forget your umbrella to stay dry. You can expect rain on around 20 days based on historical patterns, with 97 mm (3.8 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 Callac in December

Daytime highs in Callac in December reach 10°C (50°F), with nights around 4°C (39°F). December is part of winter. It stays cool throughout the day, so warm layers are a good idea from morning to evening. 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 Callac in December

The month has fewer sunny days, with around 63 hours of sunshine.

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

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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
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• December

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

Callac Temperature in December

Min Temperature 4°C (39°F)  

Max Temperature 10°C (50°F)  

Chance of Rain 67%  

Precipitation 97 mm (3.8 in)  

Rainy days 20 days  

Humidity 86% *  

Sunshine 63 hours *  

Percentage Sunshine 24% *  

* Data from: Brest, France (73 KM, 45 Miles).

What to Wear in Callac in December

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

What To Do in Callac 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 Callac's climate page.

More climate data for Callac

Temperature Rainfall Sunshine Humidity

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