ClimateForecastDecemberJanuary >>

Arolla Climate by Month

The temperature in Arolla can vary quite a bit throughout the year. Temperatures can be mild during the warmest months, and very cold during the cooler months. It also experiences much rain/snowfall throughout the year. Let's now guide you through the climate details for a complete overview.

Average day and night temperature

Visitors to Arolla can expect significant temperature changes throughout the year. Average daytime temperatures reach a moderate 16°C in July. In January, the coolest month of the year, temperatures drop to a very cold -7°C. At night, expect cooler temperatures, averaging -15°C during this month.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Arolla is known for its substantial rain/snowfall, with annual precipitation reaching 1345 mm. Despite minor fluctuations, Arolla enjoys fairly consistent precipitation throughout the year. In May, you can expect around 134 mm of precipitation, while in February, Arolla receives about 94 mm.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

Arolla can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 6.7 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 2.8 hours of sunlight per day.

Monthly hours of sunshine

Data from: Zermatt, Switzerland (20 KM, 12 Miles).

Daily hours of sunshine

Data from: Zermatt, Switzerland (20 KM, 12 Miles).

The best time of year to visit Arolla in Switzerland

Other facts from our historical weather data:
  • Which is the warmest month in Arolla?
    July has an average maximum temperature of 16°C and is the warmest month of the year.
  • Which is the coldest month in Arolla?
    The coldest month is January with an average maximum temperature of -7°C.
  • Which is the wettest month in Arolla?
    May tops the wettest month list with 134 mm of rainfall.
  • Which is the driest month in Arolla?
    February is the driest month with 94 mm of precipitation.
  • Which is the sunniest month in Arolla?
    July is the sunniest month with an average of 202 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Arolla

    Sat   Dec 14
    -4°C | -8°C
    NW 7 km/h
    13 mm
    broken clouds and snow

    broken clouds and snow

    Sun   Dec 15
    -5°C | -10°C
    NW 11 km/h
    3 mm
    partly cloudy and  chance of slight snow

    partly cloudy and chance of slight snow

    Mon   Dec 16
    2°C | -8°C
    N
    clear and no rain

    clear and no rain