Geneva Weather in May

The climate in Geneva during May can be summarized as warm, humid and a little damp.

May is in the spring in Geneva and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a muggy 30°C (86°F), whilst at night 16°C (60°F) is normal.

On average May is the 3rd driest month of the year in Geneva with around 99mm 3.9 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.

On the flip side this corresponds to an average of 10.1 hours of sunshine per day.

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Geneva in May 2025.