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Genève, Switzerland climate

Cfb Oceanic / temperate

Genève has a seasonal cool-temperate climate (Oceanic / temperate, Köppen Cfb). The hottest month is July with an average daily high near 80°F, while the coldest is January averaging around 30°F at night. Precipitation is fairly even year-round, totalling about 37 inches.

☀️ Summers
Warm
Highs near 80°F in July.
❄️ Winters
Cold
Lows near 30°F in January.
🌧️ Rain
Moderate rainfall
About 37 in of rain a year.
Wettest in October
Sky & trend
Often cloudy
Cloudy skies much of the year.

Temperature & precipitation

Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figures TEMPERATURE °F 20°40°60°80° PRECIPITATION (in) 024 JanAprJulOct

Hours of sunshine per day

Estimated sunny hours each month — daylight length × clear-sky fraction · 1991–2020 monthly cloud cover (NASA POWER) 0h2h4h6h8h J: ~2.8 hours of sun/dayF: ~3.2 hours of sun/dayM: ~3.7 hours of sun/dayA: ~4.1 hours of sun/dayM: ~4.2 hours of sun/dayJ: ~5.4 hours of sun/dayJ: ~6.2 hours of sun/dayA: ~5.8 hours of sun/dayS: ~4.8 hours of sun/dayO: ~3.6 hours of sun/dayN: ~2.6 hours of sun/dayD: ~2.4 hours of sun/day JFMAMJJASOND Sun hours per day (est.)

Genève climate normals (1991–2020)

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high (°F)414553616876807970604942
Avg temp (°F)363744515865696860524337
Avg low (°F)303035414855585851453732
Precipitation (in)2.92.22.42.63.13.33.13.23.63.83.53.5
Jan – JunJanFebMarAprMayJun
Avg high (°F)414553616876
Avg temp (°F)363744515865
Avg low (°F)303035414855
Precipitation (in)2.92.22.42.63.13.3
Jul – DecJulAugSepOctNovDec
Avg high (°F)807970604942
Avg temp (°F)696860524337
Avg low (°F)585851453732
Precipitation (in)3.13.23.63.83.53.5

Sky & atmosphere

JanFebMarAprMayJunJulAugSepOctNovDec
Cloud cover (%)686968697265595961667171
Relative humidity (%)828279777674686772788382
Wind speed (mph)3.13.43.63.73.63.53.43.33.23.13.03.1
Jan – JunJanFebMarAprMayJun
Cloud cover (%)686968697265
Relative humidity (%)828279777674
Wind speed (mph)3.13.43.63.73.63.5
Jul – DecJulAugSepOctNovDec
Cloud cover (%)595961667171
Relative humidity (%)686772788382
Wind speed (mph)3.43.33.23.13.03.1
Methodology & sources

Temperature & precipitation — the official 1991–2020 climate normals from a national meteorological service, measured at Genève / Cointrin, about 5 km from the city centre.

Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.

How we build these numbers →