Climate and monthly weather forecast
Nyon, Switzerland

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The climate of Nyon

Nyon, situated in Switzerland, experiences a Marine West Coast climate, classified as Cfb on the Köppen climate scale. This means that it has a generally temperate climate, with warm summers and relatively mild winters.

Throughout the year, it is apparent that this city experiences variations in different weather parameters. Considering temperatures, lowest figures can be noticed in January with -3.3°C (26.1°F), while it warms up to a maximum of 21.8°C (71.2°F) in July. A gradual temperature upslope from winter to summer and downslope into the autumn and winter is easily observed.

When it comes to humidity, the levels stay relatively stable, ranging from 81% in July to 88% in January. Rainfall is pretty significant in Nyon as amounts oscillate from 99mm (3.9") in April to 173mm (6.81") in December. Of all these weather attributes, a unique pattern emerges. Snowfall is typically expected from November, peaking in January with 833mm (32.8"), and tapering off in April with just 62mm (2.44").

The best time to visit Nyon

Taking into account the weather conditions and climate, the optimal time to visit Nyon would be between June and August. The temperatures during these months tend to be warmer, with averages from 19.6°C (67.3°F) to 21.8°C (71.2°F). Along with warmth, there is also long daylight hours, as high as 15.7 hours in June. Furthermore, sunshine hours are also at a peak, lasting up to 9.6 hours during August, allowing for maximum outdoor activities and sightseeing.

The worst time to visit Nyon

On the contrary, the period from November through March could be considered less favorable for visiting Nyon. During these months temperature drops to an average low from -3.3°C (26.1°F) to 3.2°C (37.8°F). Additionally, daylight hours decrease significantly with only 9.1 hours in January. There is also an uptick in snowfall, reaching 833mm (32.8") in January, which may affect the travel conditions and limit outdoor activities.

Spring weather in Nyon

The springs in Nyon are mild, with temperatures gradually rising from 7.6°C (45.7°F) in March to 15.2°C (59.4°F) in May. Relative humidity hovers around 84% during this period, and the region experiences substantial rainfall, up to 156mm (6.14") in May. The snowfall decreases significantly, with a negligible 1mm (0.04") observed in late spring. April embarks longer daylight hours, lasting up to 13.6 hours, gradually enhancing visibility and outdoor activity time.

Summer weather in Nyon

Summers in Nyon are relatively warm. The average high temperature during this season increases from 19.6°C (67.3°F) in June to reach its peak at 21.8°C (71.2°F) in July and August. Relative humidity stays consistent at around 81%, while rainfall levels remain stable from 127mm (5") to 137mm (5.39"). Snowfall is nil during this period, while daylight lasts between 15.4 to 15.7 hours, allowing for a longer duration of outdoor activities.

Autumn weather in Nyon

Autumn in Nyon sees a gradual drop in temperatures, with the average high moving from 17.5°C (63.5°F) in September to 7.7°C (45.9°F) in November. There is a slight surge in humidity, reaching 87% in November. Rainfall increases gradually over months, peaking at 133mm (5.24") in November. Snowfall takes a turn with 64mm (2.52") expected in October and 383mm (15.08") in November. Concurrently, daylight hours reduce, bordering at around 9.4 hours by November.

Winter weather in Nyon

Winter months in Nyon are characterized by lower temperatures, with the lowest average of -3.3°C (26.1°F) in January. The relative humidity tends to be at its highest, rounding off at 87%, while the rainfall dips somewhat, with an average of 173mm (6.81") in December. A rise in snowfall is prominent, reaching its maximum at 833mm (32.8") in January. The daylight hours reach a minimum of 8.7 hours in December, with just 4.2 sunshine hours, minimizing the potential for outdoor activities.

Weather in January

The year in Nyon, Switzerland, commences under the cover of snow, with January asserting itself as the chilliest month. Amid the dropping temperatures, domestic life thrives in indoor coziness, providing sharp contrast to the frosty outdoors. Weather in January »

Weather in February

Transitioning from January, February continues the winter theme, albeit with lesser intensity. Though the snowfall dips as compared to its preceding month, it does not detract from February's charm. With snowfall measuring 592mm (23.31"), the serene splendor of Swiss winters prevails, albeit in a more subdued manner. Weather in February »

Weather in March

The arrival of spring season in March induces a significant shift in Nyon's weather. The snow retreats in tandem with the revival of plant life, contributing to a heartwarming panorama of blossoming flora. The rather harsh snowfall recedes to 542mm (21.34"), paving way for the warmer March days. Weather in March »

Weather in April

In April, the city of Nyon enjoys spring in its full swing. Snow is largely relegated to a memory, replaced by balmy breezes, clear skies, and impressive vistas of blooming flowers. In a stark contrast to the previous month, snowfall dwindles to 199mm (7.83"). Weather in April »

Weather in May

Venturing into the second quarter of the year, May brings back the heat deserted many months ago. The last dregs of winter have finally bidden goodbye, making way for outdoor activities. Offering a mere 62mm (2.44") of snowfall, May sets Nyon into a slow transition toward summer. Weather in May »

Weather in June

Reigning in summer, June strikes a much warmer note to Nyon's weather. The charm of pristine blue skies, calm lakes, and verdant meadows define the essence of June. The advent of summer is marked by zero snowfall, making it an ideal month for outdoor ventures. Weather in June »

Weather in July

July reprises the role of June, delivering sunny days and enjoyable warm winds. Considering the active weather, crafts, culture, and sports events dominate Nyon’s calendar. The absence of snowfall continues, echoing June's dry spell, as locals and visitors relish in the peak summer weather. Weather in July »

Weather in August

August smoothly carries forward July's legacy, serving as another brilliant month for outdoor adventures. Despite announcing the nearing of summer's end, the climate remains comfortably warm for outdoor engagements. The absence of snowfall persists, making for clear skies and longer daylight hours. Weather in August »

Weather in September

With September, Nyon slides into a transitional period, as summer says goodbye and autumn advances. The first streaks of autumnal shades start to appear in the lush green cityscape. On the verge of another climate shift, September records marginal snowfall; a solitary 1mm (0.04"). Weather in September »

Weather in October

October embraces autumn in all its glory, presenting a diverse palette of colors. Contrasting hues of yellow, orange, and red transform the landscape into an artist's vision. A transition from no snowfall in September to 64mm (2.52") in October manifests as the first sign of winter’s return. Weather in October »

Weather in November

In November, the first hints of winter arrive with a discernible nip in the air. With autumn in its last lap, leaves have fallen, painting the streets in vibrant hues. Winter begins to mark its territory with an increased snowfall of 383mm (15.08") in November. Weather in November »

Weather in December

December greets Nyon with the onset of winter, transforming the city back to a winter wonderland. As the year comes full circle, the season of festivities, illumination, and snow returns. With the city plunging into the freezing cold, the snowfall soars up to 833mm (32.8"). Weather in December »
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Frequently asked questions

What is the coldest month in Nyon?

January, with an average high of 2.3°C (36.1°F) and a low of -3.3°C (26.1°F), signifies the coldest month of the year.

What are the most humid months in Nyon?

January and February, with an average relative humidity of 88%, are most humid months.

How many days does it rain in Nyon?

In Nyon, during the entire year, the rain falls for 188.2 days and collects up to 1513mm (59.57") of precipitation.

When does it snow in Nyon?

January through May, September through December are months with snowfall in Nyon.

How many days does it snow in Nyon?

In Nyon, during the entire year, snow falls for 91.9 days and aggregates up to 3413mm (134.37") of snow.

When is the lowest UV index in Nyon?

The months with the lowest UV index in Nyon are January through March, October through December, with an average maximum UV index of 2.

When it does not snow in Nyon?

June through August are months without snowfall.

When are the longest days in Nyon?

The month with the longest days is June, with an average of 15h and 42min of daylight.

When is the highest UV index in Nyon?

June and July, with an average maximum UV index of 5, are months with the highest UV index in Nyon.

What is the warmest month in Nyon?

In Nyon, the warmest period comes during July and August, when the average high-temperature touches 21.8°C (71.2°F).

What are the least humid months in Nyon?

The months with the lowest humidity in Nyon, Switzerland, are July and August, with an average relative humidity of 81%.

What month has the most sunshine in Nyon?

The month with the most sunshine in Nyon, Switzerland, is August, with an average of 9.6h of sunshine.

What is the driest month in Nyon?

September is the month with the least rainfall in Nyon. Rain falls for 16.2 days and accumulates 84mm (3.31") of precipitation.

When is Daylight Saving Time (DST) in Nyon?

On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Nyon, Switzerland, 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.

What is the wettest month in Nyon?

The month with the most rainfall in Nyon, Switzerland, is December, when the rain falls for 10.1 days and typically aggregates up to 173mm (6.81") of precipitation.

When does it snow the most in Nyon?

The month with the most snowfall is December, when snow falls for 16.7 days and typically aggregates up to 833mm (32.8") of snow.

What is the month with the shortest days in Nyon?

The month with the shortest days in Nyon, Switzerland, is December, with an average of 8h and 42min of daylight.

What is the month with the least sunshine in Nyon?

With an average of 4.2h of sunshine, December has the least sunshine of the year in Nyon.

Average temperature
Nyon, Switzerland

Average temperature - Nyon, Switzerland

The warmest months (with the highest average high temperature) are July and August (21.8°C).
The month with the lowest average high temperature is January (2.3°C).

The month with the highest average low temperature is July (11.2°C).
The coldest month (with the lowest average low temperature) is February (-3.7°C).

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Average pressure
Nyon, Switzerland

Average pressure - Nyon, Switzerland

The month with the highest atmospheric pressure is December (1021.2mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).

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Average wind speed
Nyon, Switzerland

Average wind speed - Nyon, Switzerland

The windiest month (with the highest average wind speed) is February (10.8km/h).
The calmest month (with the lowest average wind speed) is August (6.7km/h).

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Average humidity
Nyon, Switzerland

Average humidity - Nyon, Switzerland

The months with the highest relative humidity are January and February (88%).
The months with the lowest relative humidity are July and August (81%).

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Average rainfall
Nyon, Switzerland

Average rainfall - Nyon, Switzerland

The wettest month (with the highest rainfall) is December (173mm).
The driest month (with the least rainfall) is September (84mm).

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Average rainfall days
Nyon, Switzerland

Average rainfall days - Nyon, Switzerland

The months with the highest number of rainy days are May and June (22.8 days).
The month with the least rainy days is February (6.7 days).

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Average snowfall
Nyon, Switzerland

Average snowfall - Nyon, Switzerland

The month with the highest snowfall is December (833mm).
The months with the least snowfall are June, July and August (0mm).

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Average snowfall days
Nyon, Switzerland

Average snowfall days - Nyon, Switzerland

The month with the highest number of snowfall days is January (19 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight / Average sunshine
Nyon, Switzerland

Average daylight / Average sunshine - Nyon, Switzerland

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).

The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).

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Average sunshine days
Nyon, Switzerland

Average sunshine days - Nyon, Switzerland

The month with the most sunshine days is October (13.5 days).
The month with the least sunshine days is June (5.9 days).

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Average UV index
Nyon, Switzerland

Average UV index - Nyon, Switzerland

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

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Average visibility
Nyon, Switzerland

Average visibility - Nyon, Switzerland

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (8km).
The month with the lowest visibility is January (7km).

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Nyon, Switzerland

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