Ulm Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Ulm.
Climate overview of Ulm
The climate in Ulm, Baden-Württemberg, Germany, is marked by large temperature swings across the seasons, ranging from 24°C (75°F) in July to 4°C (39°F) in January.
The city receives around 974 mm (38 in) of rain/snowfall per year. It experiences warm summers and cold winters. June is the wettest month and February the driest. The most sunshine falls in July, with an average of 8.1 hours of daily sunshine.
Ulm Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Ulm - and find the best time to visit.
Monthly Temperature in Ulm
In Ulm, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 24°C (75°F) in July to a chilly 4°C (39°F) in January.
Nighttime temperatures range from 13°C (55°F) in July to -2°C (28°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Ulm
On average, Ulm receives a reasonable amount of rain/snowfall, with an annual precipitation of 974 mm (38 in). The amount of precipitation varies moderately throughout the year. The wettest month, June, sees around 106 mm (4.2 in) of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, February, still receives a respectable 62 mm (2.4 in) of snow/rainfall. For more details, please visit our Ulm 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 Ulm
In Ulm, summer days are longer and more sunny, with daily sunshine hours peaking at 8.1 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.5 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Best Time to Visit Ulm
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: August and September
- Warmest weather: July and August
- Most sunshine: July
- Fewest rainy days: July, August, September and October
- Seasonal pattern: Warm summers and cold winters
- Coldest conditions: January, with freezing nights around -2°C (28°F).
Frequently asked questions about the climate in Ulm
What is the best time to visit Ulm?
August and September typically offer the most optimal weather in Ulm. In contrast, January, February, March, November and December tend to have less optimal conditions. Ulm has warm summers and cold winters.
What temperatures can I expect in Ulm?
Daytime highs range from 4°C (39°F) in January to 24°C (75°F) in July. Nighttime lows range from -2°C (28°F) to 13°C (55°F). Temperatures vary considerably through the year.
How much rain does Ulm get?
Annual rainfall is around 974 mm (38 in). June is the wettest month with 106 mm (4.2 in), while February is the driest with 62 mm (2.4 in).
How sunny is Ulm?
Ulm receives around 1,724 hours of sunshine per year. July is the sunniest month with 243 hours, while December is the cloudiest with just 46 hours.
Ulm 3-Day Forecast
Ulm 3-Day Forecast
Ulm on the map
Ulm is highlighted - select any city to see its climate.
Popular this month
Where to go in July - average daytime high across popular destinations.
Berlin
26°C (79°F) Düsseldorf25°C (77°F) Hanover25°C (77°F) Munich
25°C (77°F) Cologne25°C (77°F) Hamburg24°C (75°F) Winterberg22°C (72°F) Binz
21°C (70°F) 
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