Gersau Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Gersau.
Climate overview of Gersau
Temperatures in Gersau, Canton of Schwyz, Switzerland, vary greatly throughout the year. July is the hottest month at 22°C (72°F), while January is the coldest at 3°C (37°F).
The city has a wet climate, receiving around 1970 mm (78 in) of rain/snowfall per year. Despite the high annual total, it has a distinct rainy season from May to September, with pleasant summers and cold winters. August is the wettest month. July is the sunniest month, averaging 5.6 hours of sunshine per day.
Gersau Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Gersau - and find the best time to visit.
Monthly Temperature in Gersau
The climate in Gersau is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a pleasant 22°C (72°F) in July to a chilly 3°C (37°F) in January.
Nighttime temperatures range from 12°C (54°F) in July to -4°C (25°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Gersau
Gersau has a notably wet climate with abundant precipitation, recording 1970 mm (78 in) of rain/snowfall per year. The amount of precipitation varies moderately throughout the year. The wettest month, August, sees around 217 mm (8.5 in) of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, January, still receives a respectable 127 mm (5 in) of snow/rainfall. For more details, please visit our Gersau 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 Gersau
In Gersau, summer days are longer and more sunny, with daily sunshine hours peaking at 5.6 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.2 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Gersau by Month
The relative humidity is high throughout the year in Gersau.
The city experiences its highest humidity in December, reaching 80%. In April, the humidity drops to its lowest level at 66%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Gersau
The average wind speed over the year ranges from 2 m/s (4 knots) to 3 m/s (6 knots). It is lower in January, February, March, May, June, July, August, September, October, November and December and higher in April. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Gersau
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June, July, August and September
- Warmest weather: July and August
- Most sunshine: June and July
- Seasonal pattern: A distinct rainy season from May to September, with pleasant summers and cold winters
- Coldest conditions: January, with freezing nights around -4°C (25°F).
Frequently asked questions about the climate in Gersau
What is the best time to visit Gersau?
June, July, August and September typically offer the most optimal weather in Gersau. In contrast, January, February, March, April, May, October, November and December tend to have less optimal conditions. Gersau has a distinct rainy season from May to September, with pleasant summers and cold winters.
What temperatures can I expect in Gersau?
Daytime highs range from 3°C (37°F) in January to 22°C (72°F) in July. Nighttime lows range from -4°C (25°F) to 12°C (54°F). Temperatures vary considerably through the year.
How much rain does Gersau get?
Annual rainfall is around 1970 mm (78 in). August is the wettest month with 217 mm (8.5 in), while January is the driest with 127 mm (5 in).
How sunny is Gersau?
Gersau receives around 1,385 hours of sunshine per year. July is the sunniest month with 168 hours, while December is the cloudiest with just 36 hours.
Gersau 3-Day Forecast
Gersau on the map
Gersau is highlighted - select any city to see its climate.
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