Romanshorn Weather & Climate: Best Time to Visit

In Romanshorn, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a comfortable 24°C (75°F) in July. In January, the coolest month of the year, temperatures drop to a chilly 4°C (39°F).

At night, temperatures range from around 15°C (59°F) in July to -2°C (28°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Romanshorn experiences significant rain/snowfall throughout the year, averaging 1454 mm (57 in) of precipitation annually. Romanshorn experiences moderate seasonal variation in rainfall, with monthly averages ranging from 165 mm (6.5 in) in June, the wettest month, and 90 mm (3.5 in) in February, the driest month. For more details, please visit our Romanshorn Precipitation page.

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

The average number of days each month with precipitation

Romanshorn can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 7.6 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 1.6 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 high throughout the year in Romanshorn.

The city experiences its highest humidity in November, reaching 82%. In April, the humidity drops to its lowest level at 68%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year