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Sankt Niklaus Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Sankt Niklaus.
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Climate overview of Sankt Niklaus
The climate in Sankt Niklaus, Canton of Valais, Switzerland, is marked by large temperature swings across the seasons, ranging from 17°C (63°F) in July to -6°C (21°F) in January.
The city has a wet climate, receiving around 1589 mm (63 in) of rain/snowfall per year. Despite the high annual total, it has mild summers and very cold winters. May is the wettest month. Sunshine peaks in July, when the city sees around 6.7 hours of sunshine per day.
Sankt Niklaus Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Sankt Niklaus - and find the best time to visit.
Monthly Temperature in Sankt Niklaus
In Sankt Niklaus, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a moderate 17°C (63°F) in July to a very cold -6°C (21°F) in January.
Nighttime temperatures range from 6°C (43°F) in July to -14°C (7°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Sankt Niklaus
Sankt Niklaus experiences significant rain/snowfall throughout the year, averaging 1589 mm (63 in) of precipitation annually. The amount of precipitation varies moderately throughout the year. The wettest month, May, sees around 160 mm (6.3 in) of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, February, still receives a respectable 97 mm (3.8 in) of snowfall. For more details, please visit our Sankt Niklaus 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 Sankt Niklaus
In Sankt Niklaus, summer days are longer and more sunny, with daily sunshine hours peaking at 6.7 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 2.8 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Zermatt, Switzerland (17 KM, 10 Miles).
Daily hours of sunshine
Data from: Zermatt, Switzerland (17 KM, 10 Miles).
Daily percentage of sunshine
Data from: Zermatt, Switzerland (17 KM, 10 Miles).
Humidity in Sankt Niklaus by Month
The relative humidity is high throughout the year in Sankt Niklaus.
The city experiences its highest humidity in August, reaching 70%. In January, the humidity drops to its lowest level at 65%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: Zermatt, Switzerland (17 KM, 10 Miles).
Best Time to Visit Sankt Niklaus
Compared with the rest of the year, the most comfortable conditions in Sankt Niklaus are usually found in June, July and August. Conditions are generally least comfortable in January, February, March, April, May, September, October, 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
very cold
Feb
very cold
Mar
cold
Apr
wet
May
wet
Jun
mixed
Jul
mixed
Aug
mixed
Sep
wet
Oct
wet
Nov
cold
Dec
very cold
- Best overall: June, July and August
- Warmest weather: July and August
- Most sunshine: July
- Seasonal pattern: Mild summers and very cold winters
- Coldest conditions: January, with freezing nights around -14°C (7°F).
Frequently asked questions about the climate in Sankt Niklaus
What is the best time to visit Sankt Niklaus?
June, July and August typically offer the most optimal weather in Sankt Niklaus. In contrast, January, February, March, April, May, September, October, November and December tend to have less optimal conditions. Sankt Niklaus has mild summers and very cold winters.
What temperatures can I expect in Sankt Niklaus?
Daytime highs range from -6°C (21°F) in January to 17°C (63°F) in July. Nighttime lows range from -14°C (7°F) to 6°C (43°F). Temperatures vary considerably through the year.
How much rain does Sankt Niklaus get?
Annual rainfall is around 1589 mm (63 in). May is the wettest month with 160 mm (6.3 in), while February is the driest with 97 mm (3.8 in).
How sunny is Sankt Niklaus?
Sankt Niklaus receives around 1,685 hours of sunshine per year. July is the sunniest month with 202 hours, while December is the cloudiest with just 83 hours.
Sankt Niklaus 3-Day Forecast
Sankt Niklaus on the map
Sankt Niklaus 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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