Hanover (MD) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Hanover.
Climate overview of Hanover
The climate in Hanover, Maryland, United States of America, is marked by large temperature swings across the seasons, ranging from 31°C (88°F) in July to 6°C (43°F) in January.
The city receives considerable rain/snowfall, with around 1239 mm (49 in) annually. October is the wettest month. June is the sunniest month, averaging 9.4 hours of sunshine per day.
Hanover Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Hanover — and find the best time to visit.
Monthly Temperature in Hanover
In Hanover, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a very warm 31°C (88°F) in July to a chilly 6°C (43°F) in the coolest month, January.
Nights vary from 20°C (68°F) in July to around -4°C (25°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Hanover
Hanover experiences significant rain/snowfall throughout the year, averaging 1239 mm (49 in) of precipitation annually. Hanover offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between the wettest month October (144 mm (5.7 in)) and the driest month November (75 mm (3 in)) is not too significant. 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
Sunshine Hours in Hanover
For those who appreciate different seasons, Hanover serves as an ideal destination. Expect longer, more sun-filled days in June with an average of 9.4 hours of sunshine daily, and embrace the darker days in December, offering only 4.3 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Hanover by Month
The relative humidity is high throughout the year in Hanover.
The city experiences its highest humidity in August, reaching 69%. In March, the humidity drops to its lowest level at 58%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Hanover
Frequently asked questions about the climate in Hanover
What is the best time to visit Hanover?
May, June, September and October typically offer the most optimal weather in Hanover. In contrast, January, February and December tend to have less optimal conditions.
What temperatures can I expect in Hanover?
Daytime highs range from 6°C (43°F) in January to 31°C (88°F) in July. Nighttime lows range from -4°C (25°F) to 20°C (68°F). Temperatures vary considerably through the year.
How much rain does Hanover get?
Annual rainfall is around 1239 mm (49 in). October is the wettest month with 144 mm (5.7 in), while November is the driest with 75 mm (3 in).
How sunny is Hanover?
Hanover receives around 2,520 hours of sunshine per year. June is the sunniest month with 282 hours, while December is the cloudiest with just 130 hours. Overall, Hanover enjoys abundant sunshine.
Hanover 3-Day Forecast
Hanover (MD) 3-Day Forecast
Hanover on the map
Hanover is highlighted — select any city to see its climate.
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