Geneva, Switzerland Climate & Monthly Averages
The climate of Geneva
Geneva records 142 wet days and 9.0 hours of daily sunshine in an average year. Temperatures follow an oceanic pattern, running 42°F (6°C) in January up to 80°F (27°C) in July.
Climate quick facts
- Hottest month: July - highs near 80°F (27°C)
- Coldest month: January - highs near 42°F (6°C)
- Decade extremes (2015-2024): 101°F (38°C) high · 17°F (-8°C) low
- Wettest month: May (14 rainy days) · Sunniest: July (13.1 h sun/day)
- Climate type: oceanic
- Annual swing: 19°C between the average warmest and coolest month · day to night: 8°C
- Snow: about 15 days a year
- Months with freezing average lows: 1
- Average humidity: 75%
Temperatures through the year
Snow falls on roughly 15 days a year, mostly November through April. January is the coolest month, with highs of 42°F (6°C) and lows near 32°F (0°C). Warmth peaks in July: highs of 80°F (27°C), lows of 63°F (17°C). The gridded 2015-2024 daily record for this location tops out at 101°F (38°C) and bottoms at 17°F (-8°C) - decade extremes, not all-time station records. The wettest month is May (5.3 inches (134 mm) across 14 days) and the driest August.
Rain, sun and snow
Sunshine averages 9.0 hours a day over the year, peaking in July at 13.1 hours. Average lows drop to freezing in one month of the year, January.
How Geneva compares
- Geneva sits close to the middle of our dataset on most measures: 53°F (12°C) as an annual average, 47.5 inches (1206 mm) of precipitation and 9.0 hours of sun a day.
Ranked against every city in our dataset, each measured on the same ten-year window.
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 is crisp but comfortable here - highs near 59°F (15°C), nights near 43°F (6°C), and rain falls on around 38 of the 90 days, plus about 3 snowy days.
Summer (June through August)
Summer in Geneva settles into easy warmth, with daytime highs averaging 78°F (26°C) and nights around 61°F (16°C); rain falls on around 33 of the 90 days. Daylight is generous - around 12.4 hours of sun a day.
Fall (September through November)
Fall in Geneva runs cool rather than cold, with daytime highs averaging 60°F (16°C) and nights around 47°F (8°C); rain falls on around 35 of the 90 days.
Winter (December through February)
Through winter, Geneva is chilly: 44°F (7°C) by day, 33°F (0°C) after dark, and rain falls on around 36 of the 90 days, plus about 10 snowy days.
Climate questions, answered
Is Geneva humid?
How warm is Geneva on average?
When does Geneva drop below freezing?
What should I pack for Geneva?
Is Geneva hot in summer?
Best time to visit Geneva
Aim for July to October and April if you get the choice: warm days, manageable rainfall and plenty of daylight line up, and highs average 70°F (21°C) against roughly 10 wet days a month. For the same question asked the other way round, see where else is warm in July.
Pack for Geneva with a warm jacket and layers for the cooler season and proper waterproofs rather than an umbrella - wet days are the norm here. Note the gap between afternoon and night: July pairs 80°F (27°C) with 63°F (17°C).
Geneva temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.