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Riddes Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Riddes.
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10-day forecastForecast
Climate overview of Riddes
Riddes, Canton of Valais, Switzerland, experiences significant temperature variation throughout the year. Summers bring daytime highs of 19°C (66°F) in July, while winters cool to -3°C (27°F) in January.
Rain/snowfall is high, totalling around 1680 mm (66 in) per year. June is the wettest month and October the driest. The city also experiences pleasant summers and very cold winters. The sunniest month is July, with 9.0 hours of sunshine per day on average.
Riddes Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Riddes - and find the best time to visit.
Monthly Temperature in Riddes
Depending on the time of the year, temperatures range from pleasant to very cold in Riddes. Average maximum daytime temperatures range from a pleasant 19°C (66°F) in July, the warmest time of the year, to a very cold -3°C (27°F) during cooler months like January.
At night, you can expect temperatures ranging from 8°C (46°F) in July to around -12°C (10°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Riddes
Riddes has a relatively rain/snowy climate with high precipitation levels, averaging 1680 mm (66 in) of rain/snowfall annually. Year-round, Riddes has a balanced climate with minimal variation in precipitation. The difference between the wettest month, June, with 173 mm (6.8 in), and the driest month, October, with 115 mm (4.5 in), is minimal. For more details, please visit our Riddes 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 Riddes
Seasonal changes in sunshine hours are quite dramatic in Riddes. While July receives considerable daily sunshine with up to 9.0 hours, December marks the darkest time of the year, where sunshine is scarce with only 2.3 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Sion, Switzerland (9 KM, 6 Miles).
Daily hours of sunshine
Data from: Sion, Switzerland (9 KM, 6 Miles).
Daily percentage of sunshine
Data from: Sion, Switzerland (9 KM, 6 Miles).
Humidity in Riddes by Month
The relative humidity is high throughout the year in Riddes.
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 (9 KM, 6 Miles).
Wind Speed in Riddes
The mean wind speed varies between 1 m/s (2 knots) and 2 m/s (4 knots) throughout the year. It is lowest in January, October, November and December and highest during 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 (9 KM, 6 Miles).
Best Time to Visit Riddes
For the most comfortable conditions available during the year, consider visiting Riddes in July and August. Conditions are usually least comfortable 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 -12°C (10°F).
Frequently asked questions about the climate in Riddes
What is the best time to visit Riddes?
July and August typically offer the most optimal weather in Riddes. In contrast, January, February, March, April, May, October, November and December tend to have less optimal conditions. Riddes has pleasant summers and very cold winters.
What temperatures can I expect in Riddes?
Daytime highs range from -3°C (27°F) in January to 19°C (66°F) in July. Nighttime lows range from -12°C (10°F) to 8°C (46°F). Temperatures vary considerably through the year.
How much rain does Riddes get?
Annual rainfall is around 1680 mm (66 in). June is the wettest month with 173 mm (6.8 in), while October is the driest with 115 mm (4.5 in).
How sunny is Riddes?
Riddes 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, Riddes enjoys abundant sunshine.
Riddes 3-Day Forecast
Riddes on the map
Riddes is highlighted - select any city to see its climate.
Popular in November
Where to go in November - average daytime high across popular destinations.
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