Ascona Weather & Climate: Best Time to Visit
Ascona, Canton of Ticino, Switzerland, sees big temperature differences between seasons, with July peaking at 24°C (75°F) and January dropping to 4°C (39°F).
Rain/snowfall is high, totalling around 1736 mm (68 in) per year. October is the wettest month and February the driest. The city also experiences a distinct rainy season from August to November. The most sunshine falls in July, with an average of 8.9 hours of daily sunshine.
Monthly Temperature in Ascona
Visitors to Ascona can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a comfortable 24°C (75°F) in July, the warmest time of the year, to a chilly 4°C (39°F) during cooler months like January.
At night, you can expect temperatures ranging from 13°C (55°F) in July to around -4°C (25°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Ascona
Ascona is known for its substantial rain/snowfall, with annual precipitation reaching 1736 mm (68 in). Significant seasonal changes in precipitation occur throughout the year. In the wettest month, October it receives heavy rainfall, averaging 200 mm (7.9 in) of precipitation, recorded across 12 rainy days. In contrast, the driest month February brings less snow/rainfall, with 77 mm (3 in) over 12 snowy/rainy days. For more details, please visit our Ascona 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 Ascona
Seasonal changes in sunshine hours are quite dramatic in Ascona. While July receives considerable daily sunshine with up to 8.9 hours, November marks the darkest time of the year, where sunshine is scarce with only 3.8 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 Ascona by Month
The relative humidity is high throughout the year in Ascona.
The city experiences its highest humidity in December, reaching 75%. In March, the humidity drops to its lowest level at 59%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Ascona
The mean wind speed over the year ranges from 1 m/s (2 knots) in January, February, March, April, May, June, July, August, September, October, November and December to 1 m/s (2 knots) in January, February, March, April, May, June, July, August, September, October, November and December. What does this mean?
The mean monthly wind speed over the year (meters per second)
Ascona 3-Day Forecast
Check the conditions for any month of the year.
Best Time to Visit Ascona
During July, Ascona experiences its most favorable weather, with temperatures of 24°C (74°F). These mild conditions make it an excellent time for a visit.The weather brings rainfall of 138 mm (5.4 in) during this period.
Plan accordingly for May, June, August, September, October and November, when conditions bring the heaviest precipitation. Seeking the perfect travel destination for this year? We've created a tool that suggests locations matching your desired weather. Let our weather planner guide your travel decisions.
