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Les Collons Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Les Collons.
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Climate overview of Les Collons
Les Collons, Canton of Valais, Switzerland, sees big temperature differences between seasons, with July peaking at 18°C (64°F) and January dropping to -4°C (25°F).
The city receives considerable rain/snowfall, with around 1547 mm (61 in) annually. May is the wettest month. It has pleasant summers and very cold winters. Sunshine peaks in July, when the city sees around 9.0 hours of sunshine per day.
Les Collons Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Les Collons - and find the best time to visit.
Monthly Temperature in Les Collons
Visitors to Les Collons can expect significant temperature changes throughout the year. Typically, average maximum daytime temperatures range from a pleasant 18°C (64°F) in July to a very cold -4°C (25°F) in the coolest month, January.
Nights vary from 7°C (45°F) in July to around -13°C (9°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Les Collons
Les Collons is known for its substantial rain/snowfall, with annual precipitation reaching 1547 mm (61 in). Precipitation levels in Les Collons remain relatively steady throughout the year. May has the most rain, with 153 mm (6 in) over 20 days. In the driest month March, this drops slightly to 109 mm (4.3 in), making the city's climate fairly predictable. For more details, please visit our Les Collons 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 Les Collons
For those who appreciate different seasons, Les Collons serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 9.0 hours of sunshine daily, and embrace the darker days in December, offering only 2.3 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Sion, Switzerland (5 KM, 3 Miles).
Daily hours of sunshine
Data from: Sion, Switzerland (5 KM, 3 Miles).
Daily percentage of sunshine
Data from: Sion, Switzerland (5 KM, 3 Miles).
Humidity in Les Collons by Month
The relative humidity is high throughout the year in Les Collons.
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
Data from: Sion, Switzerland (5 KM, 3 Miles).
Wind Speed in Les Collons
The average wind speed over the year ranges from 1 m/s (2 knots) to 2 m/s (4 knots). It is lower in January, October, November and December and higher in February, March, April, May, June, July, August and September. What does this mean?
The mean monthly wind speed over the year (meters per second)
Data from: Sion, Switzerland (5 KM, 3 Miles).
Best Time to Visit Les Collons
The most favourable weather available in Les Collons usually occurs in July and August. Conditions are generally most challenging in January, February, March, April, May, October, November and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
very cold
Feb
very cold
Mar
cold
Apr
wet
May
wet
Jun
mixed
Jul
good
Aug
good
Sep
mixed
Oct
wet
Nov
cold
Dec
very cold
- Best overall: July and August
- Warmest weather: July and August
- Most sunshine: July
- Seasonal pattern: Pleasant summers and very cold winters
- Coldest conditions: January, with freezing nights around -13°C (9°F).
Frequently asked questions about the climate in Les Collons
What is the best time to visit Les Collons?
July and August typically offer the most optimal weather in Les Collons. In contrast, January, February, March, April, May, October, November and December tend to have less optimal conditions. Les Collons has pleasant summers and very cold winters.
What temperatures can I expect in Les Collons?
Daytime highs range from -4°C (25°F) in January to 18°C (64°F) in July. Nighttime lows range from -13°C (9°F) to 7°C (45°F). Temperatures vary considerably through the year.
How much rain does Les Collons get?
Annual rainfall is around 1547 mm (61 in). May is the wettest month with 153 mm (6 in), while March is the driest with 109 mm (4.3 in).
How sunny is Les Collons?
Les Collons 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, Les Collons enjoys abundant sunshine.
Les Collons 3-Day Forecast
Les Collons on the map
Les Collons is highlighted - select any city to see its climate.
Popular in October
Where to go in October - average daytime high across popular destinations.
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