Geneva Weather in May
During May, Geneva experiences pleasant daytime temperatures of 19°C (66°F) and cooler nights around 8°C (46°F). As the wettest month of the year, expect frequent rainfall.
Rainfall in Geneva in May
During this month, the rain comes down heavily. A poncho is essential for staying dry. Analyzing past climate data, one can expect approximately 16 days of rain, averaging 151 mm (5.9 in). 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 Geneva in May
In May, Geneva gets pleasant temperatures, with highs of 19°C (66°F). Nights cool to around 8°C (46°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. 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 Geneva in May
The city usually sees around 211 hours of sunlight, indicating many sunny days — a great month for sightseeing.
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 you prefer enjoying temperate temperatures and rain-free days, June, July, August and September 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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Switzerland, check out our Geneva's climate page.
Geneva Temperature in May
Min Temperature
8°C (46°F)
Max Temperature
19°C (66°F)
Water Temperature
13°C (55°F)
Chance of Rain
54%
Precipitation
151 mm (5.9 in)
Rainy days
16 days
Humidity
69%
Sunshine
211 hours
Percentage Sunshine
50%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Geneva typically rise from around 17°C (63°F) at the start of May to approximately 21°C (70°F) by the end. Nights are cool, with lows typically ranging from 6°C (43°F) to 10°C (50°F).
Average temperatures in May
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 May
Historical weather for Geneva in May
Browse day-by-day weather records for Geneva spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Geneva historical weather extremes in May
According to our 50 years of weather records for Geneva, the following extremes were recorded between 1976 and 2026.
- Geneva recorded its highest May temperature of 32°C (90°F) on May 24, 2009.
- The coldest night in May in Geneva was on May 13, 1995, with a minimum of -5°C (23°F).
Best Places in Switzerland in May
Find out more about the weather in Switzerland and which places have the best travel conditions in this month. See all of Switzerland in May →
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What to Wear in Geneva in May
Pleasant temperatures in May mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! The water temperature sits at about 13°C (55°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Geneva in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Switzerland, check out our Geneva's climate page.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Geneva climate overview or explore weather in Switzerland.
