Siegen Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Siegen.
Climate overview of Siegen
Siegen, North Rhine-Westphalia, Germany, experiences significant temperature variation throughout the year. Summers bring daytime highs of 23°C (73°F) in July, while winters cool to 4°C (39°F) in January.
The city has a wet climate, receiving around 1147 mm (45 in) of rain/snowfall per year. December is the wettest month. The most sunshine falls in July, with an average of 7.0 hours of daily sunshine.
Siegen Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Siegen — and find the best time to visit.
Monthly Temperature in Siegen
Depending on the time of the year, temperatures range from comfortable to chilly in Siegen. On average, daytime temperatures range from a comfortable 23°C (73°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 Siegen
Siegen has a relatively rain/snowy climate with high precipitation levels, averaging 1147 mm (45 in) of rain/snowfall annually. The wettest period in Siegen occurs in December, which receives around 118 mm (4.6 in) of precipitation. During the driest month, April, Siegen experiences moderate rainfall, totaling 75 mm (3 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate. For more details, please visit our Siegen 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 Siegen
In Siegen, summer days are longer and more sunny, with daily sunshine hours peaking at 7.0 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.4 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 Siegen
Rainfall during this time ranges from 91 mm (3.6 in) in September to 101 mm (4 in) in July. This means you can expect a mix of sunny days and occasional showers. Seeking the perfect travel destination for this year? We've created a tool that suggests locations matching your desired weather. Let our weather planner guide your travel decisions.
Frequently asked questions about the climate in Siegen
What is the best time to visit Siegen?
June and August typically offer the most optimal weather in Siegen. In contrast, January, February, March, November and December tend to have less optimal conditions.
What temperatures can I expect in Siegen?
Daytime highs range from 4°C (39°F) in January to 23°C (73°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 Siegen get?
Annual rainfall is around 1147 mm (45 in). December is the wettest month with 118 mm (4.6 in), while April is the driest with 75 mm (3 in). In the coldest months, precipitation may fall as snow/rain.
How sunny is Siegen?
Siegen receives around 1,540 hours of sunshine per year. July is the sunniest month with 210 hours, while December is the cloudiest with just 41 hours.
Siegen 3-Day Forecast
Siegen 3-Day Forecast
Siegen on the map
Siegen 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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