Sisikon Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Sisikon.
Climate overview of Sisikon
The climate in Sisikon, Uri, Switzerland, is marked by large temperature swings across the seasons, ranging from 20°C (68°F) in July to 1°C (34°F) in January.
Rain/snowfall is high, totalling around 2005 mm (79 in) per year. August is the wettest month and January the driest. The city also experiences a distinct rainy season from May to September, with pleasant summers and very cold winters. July is the sunniest month, averaging 5.6 hours of sunshine per day.
Sisikon Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Sisikon - and find the best time to visit.
Monthly Temperature in Sisikon
In Sisikon, temperatures differ significantly between summer and winter months. Average maximum daytime temperatures range from a pleasant 20°C (68°F) in July, the warmest time of the year, to a very cold 1°C (34°F) during cooler months like January.
At night, you can expect temperatures ranging from 10°C (50°F) in July to around -6°C (21°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Sisikon
Sisikon experiences significant rain/snowfall throughout the year, averaging 2005 mm (79 in) of precipitation annually. While rainfall varies throughout the year, each season offers its own charm. August brings wetter days averaging 227 mm (8.9 in) of precipitation, spread over 18 rainy days.
In contrast, the driest month January experiences a drier climate, with about 128 mm (5 in) of snowfall spread across 15 snowy days. For more details, please visit our Sisikon 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 Sisikon
Seasonal changes in sunshine hours are quite dramatic in Sisikon. While July receives considerable daily sunshine with up to 5.6 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.2 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Sisikon by Month
The relative humidity is high throughout the year in Sisikon.
The city experiences its highest humidity in December, reaching 80%. In April, the humidity drops to its lowest level at 66%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Sisikon
The mean wind speed over the year ranges from 2 m/s (4 knots) in January, February, March, May, June, July, August, September, October, November and December to 3 m/s (6 knots) in April. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Sisikon
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: July, August and September
- Warmest weather: July and August
- Most sunshine: June and July
- Seasonal pattern: A distinct rainy season from May to September, with pleasant summers and very cold winters
- Coldest conditions: January, with freezing nights around -6°C (21°F).
Frequently asked questions about the climate in Sisikon
What is the best time to visit Sisikon?
July, August and September typically offer the most optimal weather in Sisikon. In contrast, January, February, March, April, May, June, October, November and December tend to have less optimal conditions. Sisikon has a distinct rainy season from May to September, with pleasant summers and very cold winters.
What temperatures can I expect in Sisikon?
Daytime highs range from 1°C (34°F) in January to 20°C (68°F) in July. Nighttime lows range from -6°C (21°F) to 10°C (50°F). Temperatures vary considerably through the year.
How much rain does Sisikon get?
Annual rainfall is around 2005 mm (79 in). August is the wettest month with 227 mm (8.9 in), while January is the driest with 128 mm (5 in).
How sunny is Sisikon?
Sisikon receives around 1,385 hours of sunshine per year. July is the sunniest month with 168 hours, while December is the cloudiest with just 36 hours.
Sisikon 3-Day Forecast
Sisikon on the map
Sisikon is highlighted - select any city to see its climate.
Popular this month
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