Saint-Cast-le-Guildo
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Saint-Cast-le-Guildo Weather in December

During December, Saint-Cast-le-Guildo experiences low daytime temperatures of 11°C (52°F) and cooler nights around 6°C (43°F). As the wettest month of the year, and part of the winter season, expect frequent rainfall.

Rainfall in Saint-Cast-le-Guildo in December

Given that this is the rainiest month, it's wise to carry an umbrella to stay dry during unexpected showers. You can expect rain on roughly 18 days based on historical data, averaging 96 mm (3.8 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Saint-Cast-le-Guildo in December

Daytime highs in Saint-Cast-le-Guildo in December reach 11°C (52°F), with nights around 6°C (43°F). December is part of the winter season. The days stay cool from start to finish. Layering up well will make outdoor time much more comfortable. With lows around 6°C (43°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Saint-Cast-le-Guildo in December

The city usually sees around 66 hours of sunlight, indicating fewer sunny days.

If your ideal day consists of dry skies and pleasant temperatures, June, July, August and September typically offer the best circumstances for Saint-Cast-le-Guildo.

Saint-Cast-le-Guildo Temperature in December

Min Temperature
6°C (43°F)
Max Temperature
11°C (52°F)
Chance of Rain
61%
Precipitation
96 mm (3.8 in)
Rainy days
18 days
Humidity
85% *
Sunshine
66 hours *
Percentage Sunshine
*
* Data from: Saint Malo, France (17 KM, 11 Miles).

Saint-Cast-le-Guildo Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Saint-Cast-le-Guildo - and find the best time to visit.

Best Places in France in December

Find out more about the weather in France and which places have the best travel conditions in this month. See all of France in December →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Saint-Cast-le-Guildo in December

Pack for changing conditions in Saint-Cast-le-Guildo 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. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.

What To Do in Saint-Cast-le-Guildo 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

Saint-Cast-le-Guildo 3-Day Forecast

More climate data for Saint-Cast-le-Guildo

Popular in December

Where to go in December - average daytime high across popular destinations.

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