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Hamm Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Hamm.
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Climate overview of Hamm
Hamm, North Rhine-Westphalia, Germany, experiences significant temperature variation throughout the year. Summers bring daytime highs of 25°C (77°F) in July, while winters cool to 6°C (43°F) in January.
Hamm sees a moderate amount of rain/snowfall, totalling around 893 mm (35 in) per year. It experiences warm summers and cold winters, creating some seasonal variation. The sunniest month is May, with 7.9 hours of sunshine per day on average.
Hamm Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Hamm - and find the best time to visit.
Monthly Temperature in Hamm
Depending on the time of the year, temperatures range from comfortable to chilly in Hamm. Average maximum daytime temperatures range from a comfortable 25°C (77°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 14°C (57°F) in July to around 0°C (32°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Hamm
Generally, Hamm has a moderate amount of precipitation, averaging 893 mm (35 in) of rain/snowfall annually. Year-round, Hamm has a balanced climate with minimal variation in precipitation. The difference between the wettest month, August, with 84 mm (3.3 in), and the driest month, April, with 58 mm (2.3 in), is minimal. For more details, please visit our Hamm 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 Hamm
Seasonal changes in sunshine hours are quite dramatic in Hamm. While May receives considerable daily sunshine with up to 7.9 hours, January marks the darkest time of the year, where sunshine is scarce with only 1.3 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Bochum, Germany (46 KM, 29 Miles).
Daily hours of sunshine
Data from: Bochum, Germany (46 KM, 29 Miles).
Best Time to Visit Hamm
For comfortable weather, consider visiting Hamm in June, July, August and September. Conditions are usually least favourable in January, February, November and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
cold
Feb
cold
Mar
mixed
Apr
good
May
very good
Jun
excellent
Jul
excellent
Aug
excellent
Sep
excellent
Oct
good
Nov
cold
Dec
cold
- Best overall: June, July, August and September
- Warmest weather: July and August
- Most sunshine: May
- Seasonal pattern: Warm summers and cold winters
Frequently asked questions about the climate in Hamm
What is the best time to visit Hamm?
June, July, August and September typically offer the most optimal weather in Hamm. In contrast, January, February, November and December tend to have less optimal conditions. Hamm has warm summers and cold winters.
What temperatures can I expect in Hamm?
Daytime highs range from 6°C (43°F) in January to 25°C (77°F) in July. Nighttime lows range from 0°C (32°F) to 14°C (57°F). Temperatures vary considerably through the year.
How much rain does Hamm get?
Annual rainfall is around 893 mm (35 in). August is the wettest month with 84 mm (3.3 in), while April is the driest with 58 mm (2.3 in).
How sunny is Hamm?
Hamm receives around 1,701 hours of sunshine per year. May is the sunniest month with 236 hours, while January is the cloudiest with just 40 hours.
Hamm 3-Day Forecast
Hamm on the map
Hamm is highlighted - select any city to see its climate.
Popular in September
Where to go in September - average daytime high across popular destinations.
Berlin
21°C (70°F) Hanover20°C (68°F) Cologne21°C (70°F) Düsseldorf21°C (70°F) Munich
20°C (68°F) Hamburg20°C (68°F) Binz18°C (64°F) Winterberg18°C (64°F) Bucket list
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