Geneva, Switzerland Climate & Monthly Averages
The climate of Geneva
Geneva has a oceanic climate, marked by mild temperatures year-round with regular rainfall. Average daytime highs range from about 42°F (6°C) in January to around 80°F (27°C) in July, and the city records roughly 142 days of measurable precipitation a year.
Climate quick facts
- Hottest month: July - highs near 80°F (27°C)
- Coldest month: January - highs near 42°F (6°C)
- Record high: 101°F (38°C) · Record low: 17°F (-8°C) (2015–2024)
- Wettest month: May (14 rainy days) · Sunniest: July (13.1 h sun/day)
- Climate type: oceanic - mild temperatures year-round with regular rainfall
- Snow: about 15 days a year
Temperatures through the year
The warmest stretch of the year centers on July. Highs average 80°F (27°C) and overnight lows stay near 63°F (17°C). The coolest month is January, with typical highs of 42°F (6°C) and lows around 32°F (0°C). Based on 2015–2024 weather data, temperatures have reached as high as 101°F (38°C) and dropped as low as 17°F (-8°C).
Rain, sun and snow
May is usually the wettest month. It brings about 5.3 inches (134 mm) of rain over 14 days, while August is the driest. July brings the most sunshine, averaging 13.1 hours of sun a day. Snow falls on about 15 days in a typical year, mostly from November through April.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 42° | 32° | 13 | 4.7 in | 5.4 h/day | 81% |
| February | 46° | 33° | 10 | 3.2 in | 7.0 h/day | 78% |
| March | 52° | 37° | 12 | 3.9 in | 8.6 h/day | 74% |
| April | 59° | 42° | 11 | 3.2 in | 10.3 h/day | 69% |
| May | 65° | 50° | 14 | 5.3 in | 10.8 h/day | 73% |
| June | 75° | 59° | 13 | 3.8 in | 12.3 h/day | 72% |
| July | 80° | 63° | 10 | 3.3 in | 13.1 h/day | 65% |
| August | 80° | 62° | 9 | 3.0 in | 11.7 h/day | 68% |
| September | 70° | 55° | 10 | 3.5 in | 10.0 h/day | 74% |
| October | 61° | 48° | 11 | 4.1 in | 7.9 h/day | 81% |
| November | 50° | 39° | 14 | 4.5 in | 6.0 h/day | 85% |
| December | 45° | 34° | 13 | 5.1 in | 5.3 h/day | 84% |
Geneva month by month
Geneva weather in January
January brings highs around 42°F (6°C), lows near 32°F (0°C), about 13 wet days and roughly 4 snowy days - typically the coldest month of the year in Geneva.
Geneva weather in February
February brings highs around 46°F (8°C), lows near 33°F (1°C), about 10 wet days and roughly 2 snowy days.
Geneva weather in March
March brings highs around 52°F (11°C), lows near 37°F (3°C), about 12 wet days and roughly 2 snowy days.
Geneva weather in April
April brings highs around 59°F (15°C), lows near 42°F (6°C), about 11 wet days and roughly 1 snowy days.
Geneva weather in May
May brings highs around 65°F (18°C), lows near 50°F (10°C), about 14 wet days - typically the wettest month of the year in Geneva.
Geneva weather in June
June brings highs around 75°F (24°C), lows near 59°F (15°C), about 13 wet days.
Geneva weather in July
July brings highs around 80°F (27°C), lows near 63°F (17°C), about 10 wet days - typically the hottest month and the sunniest month of the year in Geneva.
Geneva weather in August
August brings highs around 80°F (26°C), lows near 62°F (17°C), about 9 wet days - typically the driest month of the year in Geneva.
Geneva weather in September
September brings highs around 70°F (21°C), lows near 55°F (13°C), about 10 wet days.
Geneva weather in October
October brings highs around 61°F (16°C), lows near 48°F (9°C), about 11 wet days.
Geneva weather in November
November brings highs around 50°F (10°C), lows near 39°F (4°C), about 14 wet days and roughly 2 snowy days.
Geneva weather in December
December brings highs around 45°F (7°C), lows near 34°F (1°C), about 13 wet days and roughly 3 snowy days.
Seasons in Geneva
Spring (March through May)
Spring in Geneva stays on the cool side of mild, with daytime highs averaging 59°F (15°C) and nights around 43°F (6°C); expect showers on roughly 38 days across the season, plus around 3 snowy days.
Summer (June through August)
Summer in Geneva brings comfortable warmth, with daytime highs averaging 78°F (26°C) and nights around 61°F (16°C); expect showers on roughly 33 days across the season.
Fall (September through November)
Fall in Geneva is crisp but comfortable, with daytime highs averaging 60°F (16°C) and nights around 47°F (8°C); expect showers on roughly 35 days across the season.
Winter (December through February)
Winter in Geneva is brisk and cold, with daytime highs averaging 44°F (7°C) and nights around 33°F (0°C); expect showers on roughly 36 days across the season, plus around 10 snowy days.
Climate questions, answered
What is the average temperature in Geneva?
Is Geneva hot in summer?
Is Geneva cold in winter?
How many rainy days does Geneva get in a year?
Best time to visit Geneva
The best time to visit Geneva is generally July to October and April, when warm days, manageable rainfall and plenty of daylight line up. Daytime temperatures in that window typically sit near 70°F (21°C).
Pack for Geneva with a warm jacket and layers for the cooler season; a compact umbrella or rain shell - showers are a regular feature. Evenings can feel noticeably cooler than afternoons - July nights average 63°F (17°C).
Geneva temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.