Arolla Weather and Climate: A Comprehensive Guide
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 maximum day and minimum 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, you can expect cooler temperatures, with averages dropping to around -15°C during this month. Check out our detailed temperature page for more information.Temperature ranges by month
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
The average number of days each month with precipitation
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. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Average humidity
The relative humidity is high throughout the year in Arolla.
The city experiences its highest humidity in August, reaching 70%. In January, the humidity drops to its lowest level at 65%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
clear and no rain clear and no rain clear and no rainForecast for Arolla
1 m/s
2 m/s
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Select a Month of Interest
Check the conditions for any month of the year.
The best time of year to visit Arolla in Switzerland
Other facts from our historical weather data:July has an average maximum temperature of 16°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of -7°C.
May tops the wettest month list with 134 mm of rainfall.
February is the driest month with 94 mm of precipitation.
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.
