Hanover Weather & Climate: Best Time to Visit

Depending on the time of the year, temperatures range from very warm to moderate in Hanover. Average daytime temperatures reach a very warm 32°C (90°F) in January. In July, the coolest month of the year, temperatures drop to a moderate 17°C (63°F).

At night, temperatures range from around 17°C (63°F) in January to 2°C (36°F) in July.

Check out our detailed temperature page for more information.

Temperature ranges by month

With annual rain/snowfall averaging 396 mm (16 in), Hanover maintains relatively low precipitation levels throughout the seasons. Hanover can be quite wet during February, receiving approximately 62 mm (2.4 in) of precipitation over 8 rainy days.

In contrast, during the driest month (July), you will experience much drier conditions, with 12 mm (0.5 in) of precipitation spread across 3 rainy days days. For more details, please visit our Hanover Precipitation page.

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

The average number of days each month with precipitation

Hanover experiences moderate variation in sunshine hours across the seasons. With 11.4 hours daily sunshine in December, it dips to 7.7 hours in June, offering a balanced mix of sunny and overcast days.

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 Hanover.

The city experiences its highest humidity in March, reaching 58%. In September, the humidity drops to its lowest level at 44%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year