Montbonnot-Saint-Martin Weather in December

Thinking of visiting Montbonnot-Saint-Martin in December? Expect low temperatures reaching 4°C (39°F) during the day, dropping to -4°C (25°F) at night, and note that quite a bit of snow/rainfall is likely.

Rainfall in Montbonnot-Saint-Martin in December

Historically, December sees about 13 days of snow/rain, with a monthly average of 140 mm (5.5 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Montbonnot-Saint-Martin in December

Temperatures in Montbonnot-Saint-Martin in December top out at 4°C (39°F) and drop to -4°C (25°F) overnight. This month falls in the winter season. Expect a distinctly cold feel throughout the day, not just overnight. At -4°C (25°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating. This month is marked by cold temperatures, so wearing layers is key to staying warm. Don't be caught off-guard by the cold.

Sunshine in Montbonnot-Saint-Martin in December

The area sees fewer sunny days, with a projection of about 73 hours of sunshine. This reduced sunlight makes it ideal for those who prefer overcast conditions over bright sunny days.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Montbonnot-Saint-Martin. Our weather planner can help you explore destinations with more pleasant weather conditions.

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

Montbonnot-Saint-Martin Temperature in December

Min Temperature -4°C (25°F)  

Max Temperature 4°C (39°F)  

Chance of Rain 43%  

Precipitation 140 mm (5.5 in)  

Rainy days 13 days  

Humidity 84% *  

Sunshine 73 hours *  

Percentage Sunshine *  

* Data from: Grenoble, France (8 KM, 5 Miles).

What to Wear in Montbonnot-Saint-Martin in December

We recommend to layer up for chilly conditions in Montbonnot-Saint-Martin in December. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.

What To Do in Montbonnot-Saint-Martin in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

4/10

Cycling

3/10

Walking

3/10

Camping

1/10

Outdoor sports

3/10

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 Montbonnot-Saint-Martin's climate page.

More climate data for Montbonnot-Saint-Martin

Temperature Rainfall Sunshine Humidity

See the full Montbonnot-Saint-Martin climate overview or explore weather in France.