Oppenheim Weather & Climate: Best Time to Visit

In Oppenheim, temperatures differ significantly between summer and winter months. Average maximum daytime temperatures range from a comfortable 26°C (79°F) in July, the warmest time of the year, to a chilly 6°C (43°F) during cooler months like January.

At night, you can expect temperatures ranging from 15°C (59°F) in July to around 0°C (32°F) during January.

Check out our detailed temperature page for more information.

Temperature ranges by month

On average, Oppenheim receives a reasonable amount of rain/snowfall, with an annual precipitation of 728 mm (29 in). Year-round, Oppenheim has a balanced climate with minimal variation in precipitation. The difference between the wettest month, December, with 70 mm (2.8 in), and the driest month, April, with 50 mm (2 in), is minimal. For more details, please visit our Oppenheim Precipitation page.

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

The average number of days each month with precipitation

Seasonal changes in sunshine hours are quite dramatic in Oppenheim. While July receives considerable daily sunshine with up to 7.8 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.5 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 Oppenheim.

The city experiences its highest humidity in December, reaching 88%. In May, 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