Roppen Weather & Climate: Best Time to Visit

Depending on the time of the year, temperatures range from moderate to very cold in Roppen. Average daytime temperatures reach a moderate 18°C (64°F) in July. In January, the coolest month of the year, temperatures drop to a very cold -2°C (28°F).

At night, temperatures range from around 7°C (45°F) in July to -11°C (12°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Roppen has a relatively rain/snowy climate with high precipitation levels, averaging 1663 mm (65 in) of rain/snowfall annually. Roppen can be quite wet during June, receiving approximately 205 mm (8.1 in) of precipitation over 19 rainy days.

In contrast, during the driest month (January), you will experience much drier conditions, with 91 mm (3.6 in) of precipitation spread across 16 snowy days. For more details, please visit our Roppen Precipitation page.

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

The average number of days each month with precipitation

Roppen can be enjoyed more throughout the sunniest month of August under a blue sky, with approximately 6.2 hours of sunshine daily. In contrast, the city experiences much darker days in January, with only 2.6 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 moderate throughout the year in Roppen.

The city experiences its highest humidity in December, reaching 72%. In April, the humidity drops to its lowest level at 42%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year