Climate and monthly weather forecastGeneva, Switzerland
Climate and monthly weather forecast
The climate of Geneva
Located in the heart of Western Europe, Geneva enjoys a Marine west coast climate as identified by the Köppen climate classification. Observing the year-round weather conditions, it is evident that this city is characterized by a mix of cool winters and pleasantly warm summers. Not to forget, the region receives quite significant rainfall throughout the year.Month to month variations are noticeable in terms of temperature and precipitation. While the average monthly high temperature ranges from 4.5°C (40.1°F) in January to a peak of 26.5°C (79.7°F) in July, the lows vary between -1.3°C (29.7°F) in January and 14.4°C (57.9°F) in July. Meanwhile, the rainfall also oscillates, stretching from 68mm (2.68") in February to 105mm (4.13") in October, typically marking October as the wettest month.
Unexpected climatic patterns to be observed in Geneva include the absence of snowfall from May to November and the impressive number of rainfall days in October, which adds up to about 10.1 days. Furthermore, daylight hours gradually increase from 9.1 hours in January to a substantial 15.7 hours in June, shedding ample sunlight for various activities.
The best time to visit Geneva
Taking into account the temperature, rainfall, and sunshine hours, the ideal time to visit Geneva would arguably be between May and September. With high temperatures ranging from 19.7°C (67.5°F) to 25.8°C (78.4°F) and low humidity levels between 65% to 69%, this time of the year embraces warm, comfortable conditions. Moreover, daylight hours are longest in this timeframe, specifically in June, with 15.7 hours registered on average.The worst time to visit Geneva
In contrast, the period from late Autumn to early Spring, November through March, might not be the best time to visit Geneva unless cold weather and snow are desired. The temperatures during these months dip to average lows of 2.4°C (36.3°F) to 0.1°C (32.2°F), accompanied by an 81% relative humidity in December, creating a chilly atmosphere. Additionally, the snowfall is substantial with 108mm (4.25") recorded in January and 74mm (2.91") in December, piling the city streets and roofs with white blankets.Spring weather in Geneva
The onset of Spring signals gradually warming weather in Geneva. With the arrival of March, the average high temperatures escalate from 11.2°C (52.2°F) to 14.9°C (58.8°F) in April and further to 19.7°C (67.5°F) in May, while the low temperatures increase from 1.6°C (34.9°F) to 9.1°C (48.4°F). Rainfall too sees an upwards trend with 70mm (2.76") in March, 72mm (2.83") in April, and 84mm (3.31") in May. Sunshine hours also increase, providing 5 hours in March and up to 6.4 hours in May.Summer weather in Geneva
Coming to the summer months from June to August, Geneva experiences the warmest conditions of the year. High temperatures hover around 23.5°C (74.3°F) to 26.5°C (79.7°F) while the low temperatures vary from 12.3°C (54.1°F) to 14.4°C (57.9°F). Despite the heat, the city sees bountiful rainfall with 92mm (3.62") in June and 82mm (3.23") in August. Yet, the region also enjoys the most sunshine with a scorching 7.8 hours in June, extending up to 8.5 in July.Autumn weather in Geneva
Autumn in Geneva is marked by cool, moist weather. September witnesses high temperatures of 20.9°C (69.6°F) which drop to 15.4°C (59.7°F) by October, falling further to 8.8°C (47.8°F) towards November. Meanwhile, low temperatures also drop from 10.8°C (51.4°F) in September to 2.4°C (36.3°F) in November. Rainfall escalates in this period as well, with 100mm (3.94") in September, peaking at 105mm (4.13") in October before descending to 88mm (3.46") in November. Decreasing sunshine hours parallel the cooler conditions, falling from 6.2 hours in September to a mere 2.2 hours by November.Winter weather in Geneva
Weather in Geneva during Winter, December to February, is typically cold. Average high temperatures range from 5.3°C (41.5°F) to 6.3°C (43.3°F) while the lows dip from 0.1°C (32.2°F) to -1°C (30.2°F). Additionally, December and January witness the highest relative humidity levels at 81%, contributing to the winter chill. This period is also characterized by ample snowfall with 108mm (4.25") in January and 81mm (3.19") in February. Despite scarce sunshine duration, just 1.6 hours in December and 1.9 hours in January, the snowy landscape offers a pristine view of this winter wonderland.Weather in January
Typically, January in Geneva, Switzerland, presents a colder climate with the likelihood of experiencing snowy conditions. A high humidity average of 81% brings a dampness in the air, combined with an average high of 4.5°C (40.1°F) and a chilly low of -1.3°C (29.7°F). Weather in January »Weather in February
As February rolls in, the after-effects of January's winter gusts remain, albeit slightly less intense. Notably, milder temperatures make an appearance, with the mercury peeking to 6.3°C (43.3°F) and not falling below -1°C (30.2°F). Weather in February »Weather in March
March presents a notable seasonal shift in Geneva as the chilly whispers of winter fade and mark the onset of spring. The city becomes warmer with an average high of 11.2°C (52.2°F) and a low of 1.6°C (34.9°F). March offers longer daylight hours, allowing residents and tourists to indulge more in outdoor activities. Weather in March »Weather in April
Aprils in Geneva are defined by an increase in temperature and daylight hours. The temperature gradually climbs to peaks around 14.9°C (58.8°F) and does not drop below 4.8°C (40.6°F). This incremental rise signals the proper uptake of the spring season. Weather in April »Weather in May
With May commencing, Geneva greets with promising warmth and sunshine. Swiss landscapes mature in sync with a notable rise in temperature levels reaching an enticing high of 19.7°C (67.5°F). Rainfall continues its moderately high run, feeding the already-blossoming gardens and parks, while maintaining the city's alluring green facade. Weather in May »Weather in June
The Swiss city of Geneva ushers in the summer season with June, displaying a notable improvement in warmth as the temperatures often escalate to a balmy 23.5°C (74.3°F). By this time, the harsh snow showers experienced earlier in the year are but a distant memory. Weather in June »Weather in July
July gifts Geneva with the warmest weather conditions, with temperatures rising to a peak of around 26.5°C (79.7°F), stemming the heat’s summer charm. It provides the most amount of sunshine in the year, enhancing the outdoor spirit of the city's inhabitants. Weather in July »Weather in August
In August, Geneva remains in the grip of the summer's heat, albeit a slight dip in temperatures to a high of around 25.8°C (78.4°F). Despite the city experiencing less sunshine hours than in July, it still stands as one of the most sunshine-filled months. Weather in August »Weather in September
September rings in autumn, bringing slight chilliness back in the air, as temperatures drop to highs of approximately 20.9°C (69.6°F). Despite this, the city remains charming with adequate sunshine bolstering the fabulous views. Weather in September »Weather in October
October engulfs Geneva in true autumn spirit, as a chillier wind whistles through the city, mirroring temperatures dipping to an average high of 15.4°C (59.7°F). The rainfall graph trends higher than previous months, leaving the city drenched more frequently. Weather in October »Weather in November
November embraces Geneva with a pronounced drop in temperature, the city witnessing averages falling between 8.8°C (47.8°F) and 2.4°C (36.3°F). With gentle gusts and noticeably less sunshine, the city starts preparing for the winter season ahead. Weather in November »Weather in December
As the last month of the year approaches, Geneva gets swathed in a distinct winter ambiance. Temperatures take a dive to an average high of 5.3°C (41.5°F), resurfacing memories of biting winds and snowfalls. December marks the return of architecturally brilliant cityscapes cloaked under the snowy semblance. Weather in December »Updated: Jan 24, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
The coldest temperatures in Geneva, Switzerland, occur during January, when averages reach a peak of 4.5°C (40.1°F) and a low of -1.3°C (29.7°F).
January, November and December, with an average relative humidity of 81%, are most humid months.
In Geneva, Switzerland, during the entire year, the rain falls for 109 days and collects up to 1006mm (39.61") of precipitation.
January through April, November and December are months with snowfall.
The month with the most snowfall in Geneva, Switzerland, is January, when snow falls for 2.5 days and typically aggregates up to 108mm (4.25") of snow.
In Geneva, during the entire year, snow falls for 8.2 days and aggregates up to 321mm (12.64") of snow.
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index.
The month with the least rainfall is February, when the rain falls for 8.1 days and typically collects 68mm (2.68") of precipitation.
May through October are months without snowfall in Geneva, Switzerland.
With an average of 15h and 42min of daylight, June has the longest days of the year.
June and July, with an average maximum UV index of 8, are months with the highest UV index.
Geneva's warmest month, July, generally records average temperatures ranging from a high of 26.5°C (79.7°F) to a low of 14.4°C (57.9°F).
July is the least humid month, with an average relative humidity of 64%.
July has the most sunshine of the year in Geneva, with an average of 8.5h of sunshine.
October is the month with the most rainfall in Geneva. Rain falls for 10.1 days and accumulates 105mm (4.13") of precipitation.
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Geneva, and the time zone changes from CEST to CET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 02:00, and the time zone reverts from CET to CEST.
With an average of 8h and 42min of daylight, December has the shortest days of the year.
The month with the least sunshine in Geneva, Switzerland, is December, with an average of 1.6h of sunshine.
Average temperature
Geneva, Switzerland
The warmest month (with the highest average high temperature) is July (26.5°C).
The month with the lowest average high temperature is January (4.5°C).
The month with the highest average low temperature is July (14.4°C).
The coldest month (with the lowest average low temperature) is January (-1.3°C).
Average humidity
Geneva, Switzerland
The months with the highest relative humidity are January, November and December (81%).
The month with the lowest relative humidity is July (64%).
Average rainfall
Geneva, Switzerland
The wettest month (with the highest rainfall) is October (105mm).
The driest month (with the least rainfall) is February (68mm).
Average rainfall days
Geneva, Switzerland
- Average rainfall days in January:
9.5 days - Average rainfall days in February:
8.1 days - Average rainfall days in March:
9 days - Average rainfall days in April:
8.9 days - Average rainfall days in May:
10.6 days - Average rainfall days in June:
9.3 days
- Average rainfall days in July:
7.6 days - Average rainfall days in August:
7.9 days - Average rainfall days in September:
8.1 days - Average rainfall days in October:
10.1 days - Average rainfall days in November:
9.9 days - Average rainfall days in December:
10 days
The month with the highest number of rainy days is May (10.6 days).
The month with the least rainy days is July (7.6 days).
Average snowfall
Geneva, Switzerland
The month with the highest snowfall is January (108mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days
Geneva, Switzerland
- Average snowfall days in January:
2.5 days - Average snowfall days in February:
2 days - Average snowfall days in March:
0.9 days - Average snowfall days in April:
0.1 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.7 days - Average snowfall days in December:
2 days
The month with the highest number of snowfall days is January (2.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Geneva, Switzerland
- Average daylight in January:
9h and 6min - Average daylight in February:
10h and 24min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 36min - Average daylight in May:
15h and 0min - Average daylight in June:
15h and 42min
- Average daylight in July:
15h and 24min - Average daylight in August:
14h and 6min - Average daylight in September:
12h and 30min - Average daylight in October:
10h and 54min - Average daylight in November:
9h and 30min - Average daylight in December:
8h and 42min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in January:
1h and 54min - Average sunshine in February:
3h and 6min - Average sunshine in March:
5h and 0min - Average sunshine in April:
5h and 54min - Average sunshine in May:
6h and 24min - Average sunshine in June:
7h and 48min
- Average sunshine in July:
8h and 30min - Average sunshine in August:
7h and 36min - Average sunshine in September:
6h and 12min - Average sunshine in October:
3h and 48min - Average sunshine in November:
2h and 12min - Average sunshine in December:
1h and 36min
The month with the most sunshine is July (Average sunshine: 8h and 30min).
The month with the least sunshine is December (Average sunshine: 1h and 36min).
Average UV index
Geneva, Switzerland
The months with the highest UV index are June and July (UV index 8).
The months with the lowest UV index are January, November and December (UV index 1).
