May weather forecastGeneva, Switzerland

May
Weather in May
With May commencing, Geneva greets with promising warmth and sunshine. Swiss landscapes mature in sync with a notable rise in temperature levels reaching an enticing high of 19.7°C (67.5°F). Rainfall continues its moderately high run, feeding the already-blossoming gardens and parks, while maintaining the city's alluring green facade. More daylight hours and trending warmer temperatures mark a significant improvement from earlier spring days, inviting people to rejoice and connect with nature.Temperature
Geneva observes a slight ascent in average high-temperatures during May, adjusting from a moderate 14.9°C (58.8°F) in April to an enjoyable 19.7°C (67.5°F). Geneva records a consistent low-temperature of 9.1°C (48.4°F) during May nights.Humidity
In Geneva, Switzerland, the average relative humidity in May is 69%.Rainfall
In Geneva, in May, it is raining for 10.6 days, with typically 84mm (3.31") of accumulated precipitation. In Geneva, during the entire year, the rain falls for 109 days and collects up to 1006mm (39.61") of precipitation.Snowfall
In Geneva, snow does not fall in May through October.Daylight
In Geneva, the average length of the day in May is 14h and 59min.On the first day of May, sunrise is at 06:20 and sunset at 20:44. On the last day of the month, sunrise is at 05:47 and sunset at 21:18 CEST.
Sunshine
In Geneva, Switzerland, the average sunshine in May is 6.4h.UV index
In Geneva, Switzerland, the average daily maximum UV index in May is 7. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A daily high UV index of 7 in May leads to these guidelines:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Geneva, Switzerland
- Average high temperature in May: 19.7°C
The warmest month (with the highest average high temperature) is July (26.5°C).
The month with the lowest average high temperature is January (4.5°C).
- Average low temperature in May: 9.1°C
The month with the highest average low temperature is July (14.4°C).
The coldest month (with the lowest average low temperature) is January (-1.3°C).
Average humidity in May
Geneva, Switzerland
- Average humidity in May: 69%
The months with the highest relative humidity are January, November and December (81%).
The month with the lowest relative humidity is July (64%).
Average rainfall in May
Geneva, Switzerland
- Average rainfall in May: 84mm
The wettest month (with the highest rainfall) is October (105mm).
The driest month (with the least rainfall) is February (68mm).
Average rainfall days in May
Geneva, Switzerland
- Average rainfall days in May: 10.6 days
The month with the highest number of rainy days is May (10.6 days).
The month with the least rainy days is July (7.6 days).
Average snowfall in May
Geneva, Switzerland
- Average snowfall in May: 0mm
The month with the highest snowfall is January (108mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in May
Geneva, Switzerland
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (2.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Geneva, Switzerland
- Average daylight in May: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in May: 6h and 24min
The month with the most sunshine is July (Average sunshine: 8h and 30min).
The month with the least sunshine is December (Average sunshine: 1h and 36min).
Average UV index in May
Geneva, Switzerland
- Average UV index in May: 7
The months with the highest UV index are June and July (UV index 8).
The months with the lowest UV index are January, November and December (UV index 1).





