Ascona
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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.

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% *

Ascona Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Ascona - and find the best time to visit.

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 records 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
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

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.

  • Swimming
    5/10
  • Cycling
    3/10
  • Walking
    3/10
  • Camping
    1/10
  • Outdoor sports
    3/10

Ascona 3-Day Forecast

More climate data for Ascona

Popular in January

Where to go in January - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.