Ascona Weather in January
Ascona in January sees low temperatures, with highs around 4°C (39°F) and overnight lows of -4°C (25°F). Snow/rainfall is fairly high at around 77 mm (3 in) on average, so pack waterproofs just in case.
Rainfall in Ascona in January
Analyzing past climate data, one can expect approximately 13 days of snow/rain, averaging 77 mm (3 in). Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Ascona in January
Daytime temperatures in Ascona reach 4°C (39°F) in January, dropping to -4°C (25°F) at night. January is typically considered a winter month. Staying warm is the main priority this month, especially during mornings and evenings. With lows of -4°C (25°F), nights are freezing. Packing a spare blanket is worth considering if you're staying somewhere that might not be fully heated. It's generally the coldest month of the year, making it essential to pack warm layers and winter accessories.
Sunshine in Ascona in January
You can expect a moderate amount of sunlight, with approximately 133 hours. This means a pleasant mix of sun and overcast.
Wind Speed in Ascona in January
Wind speeds average 1 m/s (2 knots) during January. At this speed, you'll experience mostly light air movement that's just barely noticeable. As an average, some days will be completely calm while others have gentle breezes you can feel on your skin.January in Ascona has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Switzerland, check out our Ascona's climate page.
Ascona Temperature in January
Min Temperature
-4°C (25°F)
Max Temperature
4°C (39°F)
Chance of Rain
42%
Precipitation
77 mm (3 in)
Rainy days
13 days
Humidity
66% *
Windspeed
1 m/s (2 knots) *
Sunshine
133 hours *
Percentage Sunshine
61% *
Daily Historical Temperatures
51-year average (1976-2026)
Based on our historical records, temperatures in Ascona typically stay consistent throughout January, with daily highs averaging around 4°C (39°F). Nights are very cold, with lows around -1°C (30°F).
Average temperatures in January
Daily Historical Precipitation
51-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in January
Historical weather for Ascona in January
Browse day-by-day weather records for Ascona spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Ascona historical weather extremes in January
Based on 49 years of weather observations in Ascona between 1976 and 2025, these are the recorded extremes.
- The warmest day in January was on January 5, 2013, with a maximum of 21°C (70°F).
- The coldest January day was on January 8, 1985, with a maximum of -5°C (23°F).
- The lowest overnight temperature recorded in January was -18°C (0°F) (January 7, 1985).
Best Places in Switzerland in January
Find out more about the weather in Switzerland and which places have the best travel conditions in this month. See all of Switzerland in January →
perfect weather
pleasant
tolerable
unpleasant
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What to Wear in Ascona in January
We recommend to layer up for chilly conditions in Ascona in January. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. Rain is likely on several days, so bring a good rain jacket. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Ascona in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Switzerland, check out our Ascona's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Ascona climate overview or explore weather in Switzerland.
