SwitzerlandCountries Switzerland Canton of Valais Val dʼIlliez
SwitzerlandSwitzerland Canton of Valais Val dʼIlliez
Val dʼIlliez
Weather averages
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Val dʼIlliez Weather and Climate: A Comprehensive Guide

The climate in Val dʼIlliez is marked by big temperature swings throughout the year. Temperatures range from pleasant during the warmest months to very cold in 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

In Val dʼIlliez, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a pleasant 20°C in July. In January, the coolest month of the year, temperatures drop to a very cold -0°C.

At night, you can expect cooler temperatures, with averages dropping to around -9°C during this month. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Val dʼIlliez experiences significant rain/snowfall throughout the year, averaging 1850 mm of precipitation annually. Despite minor fluctuations, Val dʼIlliez enjoys fairly consistent precipitation throughout the year. In June, you can expect around 201 mm of precipitation, while in October, Val dʼIlliez receives about 123 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

Val dʼIlliez can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 9.2 hours of sunshine daily. In contrast, the city experiences much darker days in January, with only 2.3 hours of sunlight per day. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine
Data from: Chamonix-Mont-Blanc, France (31 KM, 19 Miles).

Daily hours of sunshine
Data from: Chamonix-Mont-Blanc, France (31 KM, 19 Miles).

Forecast for Val dʼIlliez

Wed   Jan 15
2°C | -2°C
N 1 m/s
clear and no rain

clear and no rain

hourly forecast
Thu   Jan 16
0°C | -8°C
E 1 m/s
clear and no rain

clear and no rain

hourly forecast
Fri   Jan 17
2°C | -6°C
S 1 m/s
clear and no rain

clear and no rain

hourly forecast
5-Day Forecast 10-Day Forecast

Select a Month of Interest

Check the conditions for any month of the year.

The best time of year to visit Val dʼIlliez in Switzerland

During the months of July and August you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which months have the greatest rainfall in Val dʼIlliez?
    Most rainfall (rainy season) is seen in May, June, July, August and December.
  • When is winter in Val dʼIlliez?
    The coldest season / winter is in the following months: January, February and December.
  • Which is the warmest month in Val dʼIlliez?
    July has an average maximum temperature of 20°C and is the warmest month of the year.
  • Which is the coldest month in Val dʼIlliez?
    The coldest month is January with an average maximum temperature of -0°C.
  • Which is the wettest month in Val dʼIlliez?
    June tops the wettest month list with 201 mm of rainfall.
  • Which is the driest month in Val dʼIlliez?
    October is the driest month with 123 mm of precipitation.
  • Which is the sunniest month in Val dʼIlliez?
    July is the sunniest month with an average of 275 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.

     

     


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