Mex Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Mex.
Climate overview of Mex
Mex, Canton of Valais, Switzerland, sees big temperature differences between seasons, with July peaking at 20°C (68°F) and January dropping to -1°C (30°F).
The city has a wet climate, receiving around 1832 mm (72 in) of rain/snowfall per year. Despite the high annual total, it has a distinct rainy season from May to August. June is the wettest month. The sunniest month is July, with 9.0 hours of sunshine per day on average.
Mex Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Mex — and find the best time to visit.
Monthly Temperature in Mex
Visitors to Mex can expect significant temperature changes throughout the year. On average, daytime temperatures range from a pleasant 20°C (68°F) in July to a very cold -1°C (30°F) in January.
Nighttime temperatures range from 8°C (46°F) in July to -11°C (12°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Mex
Mex is known for its substantial rain/snowfall, with annual precipitation reaching 1832 mm (72 in). The wettest period in Mex occurs in June, which receives around 198 mm (7.8 in) of precipitation. During the driest month, October, Mex experiences high rainfall, totaling 121 mm (4.8 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate. For more details, please visit our Mex Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Mex
In Mex, summer days are longer and more sunny, with daily sunshine hours peaking at 9.0 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 2.3 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Mex by Month
The relative humidity is high throughout the year in Mex.
The city experiences its highest humidity in December, reaching 83%. In April, the humidity drops to its lowest level at 59%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Mex
The weather does bring rainfall during this period, between 183 mm (7.2 in) and 198 mm (7.8 in).
Plan accordingly for May, June, July and August, when conditions bring the heaviest precipitation. Need help choosing your next travel destination? We offer a specialized tool that matches you with locations based on your weather preferences. Explore destinations that suit your climate preferences.
Frequently asked questions about the climate in Mex
What is the best time to visit Mex?
July typically offers the most optimal weather in Mex. In contrast, January, February, March, April, May, October, November and December tend to have less optimal conditions. Mex has a distinct rainy season from May to August.
What temperatures can I expect in Mex?
Daytime highs range from -1°C (30°F) in January to 20°C (68°F) in July. Nighttime lows range from -11°C (12°F) to 8°C (46°F). Temperatures vary considerably through the year.
How much rain does Mex get?
Annual rainfall is around 1832 mm (72 in). June is the wettest month with 198 mm (7.8 in), while October is the driest with 121 mm (4.8 in).
How sunny is Mex?
Mex receives around 2,171 hours of sunshine per year. July is the sunniest month with 270 hours, while December is the cloudiest with just 70 hours. Overall, Mex enjoys abundant sunshine.
Mex 3-Day Forecast
Mex 3-Day Forecast
Mex on the map
Mex is highlighted — select any city to see its climate.
Popular this month
Where to go in July — average daytime high across popular destinations.
Zürich
25°C (77°F) Crans-Montana
19°C (66°F) Engelberg19°C (66°F) Nendaz19°C (66°F) Saas-Fee17°C (63°F) Davos17°C (63°F) Grindelwald17°C (63°F) Zermatt15°C (59°F) 
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