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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.
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Summers
Warm
Highs near 80°F in July.
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Winters
Cold
Lows near 30°F in January.
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Rain
Moderate rainfall
About 37 in of rain a year.
Wettest in October
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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 figuresHours of sunshine per day
Estimated sunny hours each month — daylight length × clear-sky fraction · 1991–2020 monthly cloud cover (NASA POWER)Genève climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 41 | 45 | 53 | 61 | 68 | 76 | 80 | 79 | 70 | 60 | 49 | 42 |
| Avg temp (°F) | 36 | 37 | 44 | 51 | 58 | 65 | 69 | 68 | 60 | 52 | 43 | 37 |
| Avg low (°F) | 30 | 30 | 35 | 41 | 48 | 55 | 58 | 58 | 51 | 45 | 37 | 32 |
| Precipitation (in) | 2.9 | 2.2 | 2.4 | 2.6 | 3.1 | 3.3 | 3.1 | 3.2 | 3.6 | 3.8 | 3.5 | 3.5 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 41 | 45 | 53 | 61 | 68 | 76 |
| Avg temp (°F) | 36 | 37 | 44 | 51 | 58 | 65 |
| Avg low (°F) | 30 | 30 | 35 | 41 | 48 | 55 |
| Precipitation (in) | 2.9 | 2.2 | 2.4 | 2.6 | 3.1 | 3.3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 80 | 79 | 70 | 60 | 49 | 42 |
| Avg temp (°F) | 69 | 68 | 60 | 52 | 43 | 37 |
| Avg low (°F) | 58 | 58 | 51 | 45 | 37 | 32 |
| Precipitation (in) | 3.1 | 3.2 | 3.6 | 3.8 | 3.5 | 3.5 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 68 | 69 | 68 | 69 | 72 | 65 | 59 | 59 | 61 | 66 | 71 | 71 |
| Relative humidity (%) | 82 | 82 | 79 | 77 | 76 | 74 | 68 | 67 | 72 | 78 | 83 | 82 |
| Wind speed (mph) | 3.1 | 3.4 | 3.6 | 3.7 | 3.6 | 3.5 | 3.4 | 3.3 | 3.2 | 3.1 | 3.0 | 3.1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 68 | 69 | 68 | 69 | 72 | 65 |
| Relative humidity (%) | 82 | 82 | 79 | 77 | 76 | 74 |
| Wind speed (mph) | 3.1 | 3.4 | 3.6 | 3.7 | 3.6 | 3.5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 59 | 59 | 61 | 66 | 71 | 71 |
| Relative humidity (%) | 68 | 67 | 72 | 78 | 83 | 82 |
| Wind speed (mph) | 3.4 | 3.3 | 3.2 | 3.1 | 3.0 | 3.1 |
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.