Cool
Average highs are around 20°C, so pack for cooler days.
May verdict
Mixed for holiday weather
Average highs are around 20°C, so pack for cooler days. Sunshine averages 8.1h per day, so bright days are a strong part of the month. Rainfall averages 73mm, which is relatively low for holiday planning.

Monthly averages
Temp
20°C
Rain
73mm
Sun
8.1h
Sea
6°C
Weather score
41
Mixed
Cool
Average highs are around 20°C, so pack for cooler days.
Drier
Rainfall averages 73mm, which is relatively low for holiday planning.
Bright
Sunshine averages 8.1h per day, so bright days are a strong part of the month.
Cool sea
Sea temperatures average 6°C, so the water can feel cool.
Map
Compare Geneva, New York, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
May20°C average high
May sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
May73mm average rain
May is wetter than Geneva's yearly average, so flexible plans matter more.
Driest monthsJanuary to May, July to August, October, and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
May8.1 hours average sun
May is brighter than Geneva's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
May6°C average sea
May is below Geneva's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJuly to September
Sea temperatures are usually near 21°C in this stretch, so swimming comfort is at its strongest.
May41 weather score
May sits close to Geneva's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.