Saint-Julien-en-Genevois Weather in May

May in Saint-Julien-en-Genevois brings pleasant temperatures, with highs of 19°C (66°F) and nights dropping to 9°C (48°F). It's the rainiest month of the year, so come prepared with waterproof gear.

Rainfall in Saint-Julien-en-Genevois in May

Known for its peak rainfall, this month often has intense showers. It's wise to carry a poncho to protect yourself from the rain. Analyzing past climate data, one can expect approximately 16 days of rain, averaging 153 mm (6 in). This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.

Temperature in Saint-Julien-en-Genevois in May

Daytime highs in Saint-Julien-en-Genevois in May reach 19°C (66°F), with nights around 9°C (48°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights drop to 9°C (48°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Saint-Julien-en-Genevois in May

Expect sunny days throughout the month, with an estimated 211 hours of sunshine. This makes it a pleasant time to visit Saint-Julien-en-Genevois.

Average water temperature in May

The water temperature is 13°C (55°F) — chilly, but perfectly fine for a swim if you're not too sensitive to cold water. A short wetsuit can make longer sessions more comfortable.

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

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

Saint-Julien-en-Genevois Temperature in May

Min Temperature 9°C (48°F)  

Max Temperature 19°C (66°F)  

Water Temperature 13°C (55°F) *  

Chance of Rain 55%  

Precipitation 153 mm (6 in)  

Rainy days 16 days  

Humidity 69% *  

Sunshine 211 hours *  

Percentage Sunshine 50% *  

* Data from: Geneva, Switzerland (8 KM, 5 Miles).

What to Wear in Saint-Julien-en-Genevois in May

For Saint-Julien-en-Genevois in May, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Also bring a poncho, it will rain a lot! Waterproof everything you can. With water temperatures around 13°C (55°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Saint-Julien-en-Genevois in May

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

Swimming

7/10

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 Saint-Julien-en-Genevois's climate page.

More climate data for Saint-Julien-en-Genevois

Temperature Rainfall Sunshine Humidity Water Temp

See the full Saint-Julien-en-Genevois climate overview or explore weather in France.