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Nyon Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Nyon.
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Climate overview of Nyon
The climate in Nyon, Vaud, Switzerland, is marked by large temperature swings across the seasons, ranging from 24°C (75°F) in July to 5°C (41°F) in January.
Rain/snowfall is high, totalling around 1550 mm (61 in) per year. May is the wettest month and March the driest. The city also experiences warm summers and cold winters. July is the sunniest month, averaging 8.9 hours of sunshine per day.
Nyon Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Nyon - and find the best time to visit.
Monthly Temperature in Nyon
In Nyon, temperatures differ significantly between summer and winter months. Average maximum daytime temperatures range from a comfortable 24°C (75°F) in July, the warmest time of the year, to a chilly 5°C (41°F) during cooler months like January.
At night, you can expect temperatures ranging from 14°C (57°F) in July to around -1°C (30°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Nyon
Nyon experiences significant rain/snowfall throughout the year, averaging 1550 mm (61 in) of precipitation annually. Year-round, Nyon has a balanced climate with minimal variation in precipitation. The difference between the wettest month, May, with 145 mm (5.7 in), and the driest month, March, with 117 mm (4.6 in), is minimal. For more details, please visit our Nyon Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Nyon
Seasonal changes in sunshine hours are quite dramatic in Nyon. While July receives considerable daily sunshine with up to 8.9 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.6 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Geneva, Switzerland (20 KM, 12 Miles).
Daily hours of sunshine
Data from: Geneva, Switzerland (20 KM, 12 Miles).
Daily percentage of sunshine
Data from: Geneva, Switzerland (20 KM, 12 Miles).
Water Temperature in Nyon
The mean water temperature over the year ranges from 6°C (43°F) in January to 23°C (73°F) in August.
Water temperature over the year
Data from: Geneva, Switzerland (20 KM, 12 Miles).
Humidity in Nyon by Month
The relative humidity is high throughout the year in Nyon.
The city experiences its highest humidity in December, reaching 82%. In April, the humidity drops to its lowest level at 64%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: Geneva, Switzerland (20 KM, 12 Miles).
Best Time to Visit Nyon
For comfortable weather, consider visiting Nyon in June, July, August and September. Conditions are usually least favourable in January, February, March, November and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
wet
Feb
wet
Mar
wet
Apr
mixed
May
good
Jun
very good
Jul
very good
Aug
very good
Sep
very good
Oct
mixed
Nov
wet
Dec
wet
- Best overall: June, July, August and September
- Warmest weather: July and August
- Most sunshine: July
- Best for swimming: June, July, August and September.
- Seasonal pattern: Warm summers and cold winters
- Coldest conditions: January, with freezing nights around -1°C (30°F).
Frequently asked questions about the climate in Nyon
What is the best time to visit Nyon?
June, July, August and September typically offer the most optimal weather in Nyon. In contrast, January, February, March, November and December tend to have less optimal conditions. Nyon has warm summers and cold winters.
What temperatures can I expect in Nyon?
Daytime highs range from 5°C (41°F) in January to 24°C (75°F) in July. Nighttime lows range from -1°C (30°F) to 14°C (57°F). Temperatures vary considerably through the year.
How much rain does Nyon get?
Annual rainfall is around 1550 mm (61 in). May is the wettest month with 145 mm (5.7 in), while March is the driest with 117 mm (4.6 in).
How sunny is Nyon?
Nyon receives around 1,883 hours of sunshine per year. July is the sunniest month with 267 hours, while December is the cloudiest with just 47 hours.
Nyon 3-Day Forecast
Nyon on the map
Nyon is highlighted - select any city to see its climate.
Popular in September
Where to go in September - average daytime high across popular destinations.
Zürich
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