Saint-Cast-le-Guildo Weather in December

What's the weather like in Saint-Cast-le-Guildo (Brittany) in December 2023?

The climate in Saint-Cast-le-Guildo during December can be summarized as cool and a little damp.

December is in the winter in Saint-Cast-le-Guildo and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cool 9°C (49°F), whilst at night 5°C (40°F) is normal.

Saint-Cast-le-Guildo weather averages (imperial / metric)
Daytime temperature 9.2°C 48.5°F
Nightly temperature 4.5°C 40°F
Average temperature 6.8°C 44.2°F
Daily sunshine 2.3 hrs
Avg rainfall 91 mm 3.6 ins
Rainy days 18 days
Sea temperature 11.9°C 53.4°F
Humidity 85%
Windspeed 19.4kph 12 mph

On average December is the 2nd wettest month of the year in Saint-Cast-le-Guildo with around 91mm 3.6 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.

On the flip side this corresponds to an average of 2.3 hours of sunshine per day.

December temperatures in Saint-Cast-le-Guildo

Saint-Cast-le-Guildo average temperature in December

December rainfall

Saint-Cast-le-Guildo average rain in December

December hourly sunshine

Saint-Cast-le-Guildo average rain in December

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Saint-Cast-le-Guildo in December 2023.

Other monthly averages

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Saint-Cast-le-Guildo weather stats

Saint-Cast-le-Guildo weather statistics
Hottest month: July 21.5°C 70.7°F
Driest month: July 40mm 1.6ins
Sunniest month: July 8.8hrs
Coldest month: January 8.2°C 46.8°F
Wettest month: November 96mm 3.8ins
Map showing location of Saint-Cast-le-Guildo (48.63028, -2.25777)

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