Saint-Jean-Trolimon
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Saint-Jean-Trolimon Weather in December

Saint-Jean-Trolimon in December averages 12°C (54°F) during the day and 8°C (46°F) at night. This is the wettest month of the year.

Rainfall in Saint-Jean-Trolimon in December

An umbrella might come in handy since it is the wettest month of the year. Based on our climate data of the past 30 years, about 21 days of rain are anticipated, with 126 mm (5 in) on average. Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.

Temperature in Saint-Jean-Trolimon in December

December in Saint-Jean-Trolimon brings typical temperatures with highs around 12°C (54°F) and lows of 8°C (46°F). Conditions are often most pleasant around the middle of the day. With overnight lows of 8°C (46°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Saint-Jean-Trolimon in December

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

December in Saint-Jean-Trolimon can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.

Saint-Jean-Trolimon Temperature in December

Min Temperature
8°C (46°F)
Max Temperature
12°C (54°F)
Chance of Rain
69%
Precipitation
126 mm (5 in)
Rainy days
21 days
Humidity
86% *
Sunshine
63 hours *
Percentage Sunshine
24% *
* Data from: Brest, France (65 KM, 40 Miles).

Saint-Jean-Trolimon Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Saint-Jean-Trolimon - 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-Jean-Trolimon in December

Pack for changing conditions in Saint-Jean-Trolimon 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-Jean-Trolimon 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
    5/10

Saint-Jean-Trolimon 3-Day Forecast

More climate data for Saint-Jean-Trolimon

Popular in December

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

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.