Best year time to visit Rossa

General weather information about Rossa

Average annual temperature is 6.5 °C

Absolute maximum temperature: 30.3 °C

Absolute minimum temperature: -18.8 °C

Number of sunny days: 149 days

Number of rainy days: 186 days

Number of snow days: 30 days

Look at detailed online map of Rossa

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

Rossa air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)8.112.712.316.319.224.925.330.323.422.511.19.1
Average daytime temperature (°C)1.45.46.88.513.418.820.521.017.713.74.82.8
Average temperature (°C)-2.10.02.13.69.013.915.815.912.88.90.1-2.3
Average night temperature (°C)-5.6-4.5-3.2-1.93.67.89.59.77.23.4-5.1-7.5
Absolute minimum temperature (°C)-10.7-11.2-7.1-7.70.21.34.03.01.1-2.6-11.5-18.8

Rossa 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)9.110.311.913.615.015.715.414.112.610.99.48.7
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.08.08.0
Sunshine mean duration (h)6.08.18.19.39.812.312.810.79.46.85.95.1
Precipitation (mm)4623103117219217129206223290119101
Sunny days19161215077151715917
Rainy days651515312324161316157
Snow days674000000067

Rossa - weather forecast by months

Rossa weather in januaryRossa weather in februaryRossa weather in marchRossa weather in aprilRossa weather in mayRossa weather in juneRossa weather in julyRossa weather in augustRossa weather in septemberRossa weather in octoberRossa weather in novemberRossa weather in december

Best time to visit Rossa:

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

  • June — 12.3(h)
  • July — 12.8(h)

Months with the longest average daylight duration in Rossa:

  • June — 15.7(h)
  • July — 15.4(h)

The largest precipitation sum in Rossa is at

  • May — 219(mm)
  • June — 217(mm)
  • August — 206(mm)
  • September — 223(mm)
  • October — 290(mm)

    • Weather forecast in the closest to Rossa admin centers

    Weather forecast in the closest towns to Rossa

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    Frequently asked questions

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