Riederalp Weather & Climate: Best Time to Visit

The climate in Riederalp is known for significant temperature differences throughout the year, making the weather dynamic. Average daytime temperatures reach a moderate 17°C (63°F) in July. In January, the coolest month of the year, temperatures drop to a very cold -5°C (23°F).

At night, temperatures range from around 6°C (43°F) in July to -13°C (9°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Riederalp has a notably wet climate with abundant precipitation, recording 1786 mm (70 in) of rain/snowfall per year. Despite minor fluctuations, Riederalp enjoys fairly consistent precipitation throughout the year. In July, you can expect around 175 mm (6.9 in) of precipitation, while in February, Riederalp receives about 116 mm (4.6 in). For more details, please visit our Riederalp Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Riederalp can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 7.3 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 1.7 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

The relative humidity is high throughout the year in Riederalp.

The city experiences its highest humidity in November, reaching 83%. In April, the humidity drops to its lowest level at 70%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year