Montbonnot-Saint-Martin Weather in May

In Montbonnot-Saint-Martin, May brings moderate daytime temperatures around 17°C (63°F), with nights cooling to 6°C (43°F). It is the wettest month of the year, so expect more rainfall than usual.

Rainfall in Montbonnot-Saint-Martin in May

This month is known for its intense rain, often falling heavily. Having a poncho will help you stay dry during the showers. Looking at the last 30 years, the data shows about 15 days with rain, averaging 157 mm (6.2 in) for the month. Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.

Temperature in Montbonnot-Saint-Martin in May

Temperatures in Montbonnot-Saint-Martin in May top out at 17°C (63°F) and drop to 6°C (43°F) overnight. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. At 6°C (43°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Montbonnot-Saint-Martin in May

Expect sunny days throughout the month, with an estimated 221 hours of sunshine. This makes it a pleasant time to visit Montbonnot-Saint-Martin.

If you prefer enjoying temperate temperatures and rain-free days, June, July and August typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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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 May

Min Temperature 6°C (43°F)  

Max Temperature 17°C (63°F)  

Chance of Rain 51%  

Precipitation 157 mm (6.2 in)  

Rainy days 15 days  

Humidity 75% *  

Sunshine 221 hours *  

Percentage Sunshine *  

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

What to Wear in Montbonnot-Saint-Martin in May

Comfortable temperatures call for an easy wardrobe in May. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. It's going to pour! Pack a good poncho and prepare for very wet conditions. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Montbonnot-Saint-Martin in May

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

Swimming

7/10

Cycling

5/10

Walking

5/10

Camping

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.