Pettnau Weather & Climate: Best Time to Visit

The climate in Pettnau is known for significant temperature differences throughout the year, making the weather dynamic. Average daytime temperatures reach a pleasant 19°C (66°F) in July. In January, the coolest month of the year, temperatures drop to a very cold -1°C (30°F).

At night, temperatures range from around 8°C (46°F) in July to -10°C (14°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Pettnau has a notably wet climate with abundant precipitation, recording 1758 mm (69 in) of rain/snowfall per year. Pettnau can be quite wet during August, receiving approximately 221 mm (8.7 in) of precipitation over 19 rainy days.

In contrast, during the driest month (January), you will experience much drier conditions, with 89 mm (3.5 in) of precipitation spread across 16 snowy days days. For more details, please visit our Pettnau Precipitation page.

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

The average number of days each month with precipitation

Pettnau can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 7.7 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 2.8 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 Pettnau.

The city experiences its highest humidity in January, reaching 61%. In April, the humidity drops to its lowest level at 43%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year

The mean wind speed over the year ranges from 1 m/s (2 knots) in January, February, March, April, May, June, July, August, September, October, November and December to 1 m/s (2 knots) in January, February, March, April, May, June, July, August, September, October, November and December. What does this mean?

The mean monthly wind speed over the year (meters per second)