Best year time to visit Ascona

General weather information about Ascona

Average annual temperature is 10.7 °C

Absolute maximum temperature: 31.5 °C

Absolute minimum temperature: -7.5 °C

Number of sunny days: 164 days

Number of rainy days: 190 days

Number of snow days: 11 days

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* Weather data for Ascona Switzerland is based on climate observations for 2026 year

Ascona air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)12.715.915.217.123.327.528.831.524.727.515.014.4
Average daytime temperature (°C)6.19.011.313.117.122.024.224.120.617.09.67.7
Average temperature (°C)2.43.76.28.212.817.519.619.616.613.05.13.2
Average night temperature (°C)-1.1-1.10.62.67.812.014.414.612.08.60.9-1.1
Absolute minimum temperature (°C)-5.8-4.9-2.9-1.82.98.28.88.85.73.6-3.7-7.5

Ascona monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.08.0
Daylight mean duration (h)9.110.311.913.615.015.715.414.112.610.99.58.7
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.08.08.0
Sunshine mean duration (h)5.88.08.49.09.812.412.811.09.16.76.25.3
Precipitation (mm)46111171071757618226225835311376
Sunny days192113144771719151117
Rainy days9118162723241411161912
Snow days360000000002

Ascona - weather forecast by months

Ascona weather in januaryAscona weather in februaryAscona weather in marchAscona weather in aprilAscona weather in mayAscona weather in juneAscona weather in julyAscona weather in augustAscona weather in septemberAscona weather in octoberAscona weather in novemberAscona weather in december

Best time to visit Ascona:

The best time to visit Ascona during the most sunny months:

  • June — 12.4(h)
  • July — 12.8(h)
  • August — 11.0(h)

Months with the longest average daylight duration in Ascona:

  • June — 15.7(h)
  • July — 15.4(h)

The largest precipitation sum in Ascona is at

  • August — 262(mm)
  • September — 258(mm)
  • October — 353(mm)

    • Weather forecast in the closest to Ascona admin centers

    Weather forecast in the closest towns to Ascona

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    Frequently asked questions

    When is the best time to visit Ascona?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Ascona.
    What is the weather like in Ascona?
    See average temperature, rainfall and daylight hours for Ascona by month in the table above.
    How many sunny days does Ascona have?
    The monthly weather statistics above show sunshine and rainfall patterns for Ascona throughout the year.