Grächen Weather & Climate: Best Time to Visit
Temperatures in Grächen, Canton of Valais, Switzerland, vary greatly throughout the year. July is the hottest month at 17°C (63°F), while January is the coldest at -5°C (23°F).
The city receives considerable rain/snowfall, with around 1613 mm (64 in) annually. May is the wettest month. Sunshine peaks in July, when the city sees around 6.7 hours of sunshine per day.
Monthly Temperature in Grächen
The climate in Grächen is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a moderate 17°C (63°F) in July to a very cold -5°C (23°F) in the coolest month, January.
Nights vary from 6°C (43°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 Grächen
Grächen has a notably wet climate with abundant precipitation, recording 1613 mm (64 in) of rain/snowfall per year. Grächen offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between the wettest month May (162 mm (6.4 in)) and the driest month February (97 mm (3.8 in)) is not too significant. For more details, please visit our Grächen 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 Grächen
For those who appreciate different seasons, Grächen serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 6.7 hours of sunshine daily, and embrace the darker days in December, offering only 2.8 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Grächen by Month
The relative humidity is high throughout the year in Grächen.
The city experiences its highest humidity in August, reaching 70%. In January, the humidity drops to its lowest level at 65%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Grächen 3-Day Forecast
Check the conditions for any month of the year.
Best Time to Visit Grächen
Grächen's weather is most enjoyable during July and August, with comfortable temperatures from 17°C (62°F) to 17°C (63°F). The moderate conditions ensure pleasant weather for exploring the area. Expect varied weather during this period with rainfall between 151 mm (5.9 in) and 153 mm (6 in), providing a good balance of sunny and rainy days.The wettest months are May, when precipitation is at its highest. Planning your next adventure but unsure where to go? Our climate tool suggests perfect locations tailored to your preferred weather conditions. Discover your ideal travel destination with our weather planner.
