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

Monthly averages for Geneva based on 2015–2024 weather data. Daylight is sunrise to sunset on the 15th; wet-day chance is the share of days with measurable rain.
Month	High	Low	Rain days	Precipitation	Sunshine	Daylight	Wet-day chance	Humidity
January	42°	32°	13	4.7 in	5.4 h/day	9.0 h	43%	81%
February	46°	33°	10	3.2 in	7.0 h/day	10.3 h	36%	78%
March	52°	37°	12	3.9 in	8.6 h/day	11.8 h	40%	74%
April	59°	42°	11	3.2 in	10.3 h/day	13.5 h	37%	69%
May	65°	50°	14	5.3 in	10.8 h/day	15.0 h	46%	73%
June	75°	59°	13	3.8 in	12.3 h/day	15.8 h	44%	72%
July	80°	63°	10	3.3 in	13.1 h/day	15.4 h	33%	65%
August	80°	62°	9	3.0 in	11.7 h/day	14.1 h	30%	68%
September	70°	55°	10	3.5 in	10.0 h/day	12.5 h	34%	74%
October	61°	48°	11	4.1 in	7.9 h/day	10.8 h	35%	81%
November	50°	39°	14	4.5 in	6.0 h/day	9.4 h	45%	85%
December	45°	34°	13	5.1 in	5.3 h/day	8.6 h	41%	84%

Geneva month by month

Average high and low for each month, with the bar showing where it sits in Geneva's year (left is the coldest night, right is the warmest afternoon).

January

Coldest

42°32°

Rain: 13 days
Sunshine: 5.4 h
Daylight: 9.0 h
Snow: 4 days

February

46°33°

Rain: 10 days
Sunshine: 7.0 h
Daylight: 10.3 h
Snow: 2 days

March

52°37°

Rain: 12 days
Sunshine: 8.6 h
Daylight: 11.8 h
Snow: 2 days

April

59°42°

Rain: 11 days
Sunshine: 10.3 h
Daylight: 13.5 h
Snow: 1 day

May

Wettest

65°50°

Rain: 14 days
Sunshine: 10.8 h
Daylight: 15.0 h

June

75°59°

Rain: 13 days
Sunshine: 12.3 h
Daylight: 15.8 h

July

HottestSunniest

80°63°

Rain: 10 days
Sunshine: 13.1 h
Daylight: 15.4 h

August

Driest

80°62°

Rain: 9 days
Sunshine: 11.7 h
Daylight: 14.1 h

September

70°55°

Rain: 10 days
Sunshine: 10.0 h
Daylight: 12.5 h

October

61°48°

Rain: 11 days
Sunshine: 7.9 h
Daylight: 10.8 h

November

50°39°

Rain: 14 days
Sunshine: 6.0 h
Daylight: 9.4 h
Snow: 2 days

December

45°34°

Rain: 13 days
Sunshine: 5.3 h
Daylight: 8.6 h
Snow: 3 days

Warmer places to go, by month: January · February · March · April · May · June · July · August · September · October · November · December

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?

Relative humidity averages 75% across the year, which reads as fairly humid. The most comfortable stretch falls in the drier half of the year.

How warm is Geneva on average?

53°F (12°C) across all twelve months - about 60°F (16°C) by day and 46°F (8°C) after dark.

When does Geneva drop below freezing?

Average overnight lows sit at or below 0°C in 1 months of the year, January.

What should I pack for Geneva?

It depends on the month: July runs to 80°F (27°C) while January holds at 42°F (6°C). The full month-by-month breakdown is in the packing notes above.

Is Geneva hot in summer?

July averages 80°F (27°C). Summers here stay temperate rather than hot.

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)

Highest recorded

101°

in August

Lowest recorded

17°

in February

Annual precipitation

47.5"

Snowy days / yr

15

Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need the precipitation in other units? The mm-to-inches rainfall converter handles it.

Geneva, Switzerland Climate & Monthly Averages