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Mont Saint-Michel Weather in December
Mont Saint-Michel in December sees low daytime temperatures of 10°C (50°F) and nighttime lows of 5°C (41°F). With the highest rainfall of the year it is wise to pack an umbrella and expect frequent showers.
Rainfall in Mont Saint-Michel in December
With the most rainfall occurring this month, it's practical to keep an umbrella handy for sudden downpours. You can expect rain on around 18 days based on historical patterns, with 125 mm (4.9 in) average for the month. Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.
Temperature in Mont Saint-Michel in December
In December, Mont Saint-Michel gets low temperatures, with highs of 10°C (50°F). Nights cool to around 5°C (41°F). Winter occurs in December. It stays cool throughout the day, so warm layers are a good idea from morning to evening. With lows around 5°C (41°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Mont Saint-Michel in December
This month sees fewer sunny days, with about 66 hours of sunshine, perfect for those who enjoy cooler temperatures.December in Mont Saint-Michel has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Mont Saint-Michel Temperature in December
Min Temperature
5°C (41°F)
Max Temperature
10°C (50°F)
Chance of Rain
59%
Precipitation
125 mm (4.9 in)
Rainy days
18 days
Humidity
85% *
Sunshine
66 hours *
Percentage Sunshine
*
* Data from: Saint Malo, France (37 KM, 23 Miles).
Mont Saint-Michel Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Mont Saint-Michel - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Mont Saint-Michel typically stay consistent throughout December, with daily highs averaging around 10°C (50°F). Nights are cold, with lows typically ranging from 3°C (37°F) to 5°C (41°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather records for Mont Saint-Michel in December
Browse day-by-day weather records for Mont Saint-Michel spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Mont Saint-Michel historical weather extremes in December
According to our 49 years of weather records for Mont Saint-Michel, the following extremes were recorded between 1976 and 2025.
- On December 2, 1985, temperatures climbed to 17°C (63°F), marking the warmest December day on record.
- On December 19, 1978, Mont Saint-Michel saw its coldest December day with temperatures maxing out at -2°C (28°F).
- The coldest night in December in Mont Saint-Michel was on December 10, 1987, with a minimum of -9°C (16°F).
- Peak precipitation in December occurred on December 12, 1999, when 30 mm (1.2 in) of precipitation was measured.
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 Mont Saint-Michel in December
Pack for changing conditions in Mont Saint-Michel 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 Mont Saint-Michel in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming4/10 -
Cycling5/10 -
Walking5/10 -
Camping3/10 -
Outdoor sports5/10
Mont Saint-Michel 3-Day Forecast
More climate data for Mont Saint-Michel
Temperature Rainfall Sunshine Humidity
See the full Mont Saint-Michel climate overview or explore weather in France.
Popular in December
Where to go in December - average daytime high across popular destinations.
Cannes
13°C (55°F) Marseille
13°C (55°F) Nice13°C (55°F) Bordeaux
12°C (54°F) Toulouse12°C (54°F) Lyon8°C (46°F) Paris9°C (48°F) Chamonix-Mont-Blanc
-2°C (28°F) Bucket list
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The 10 most charming villages in France
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