Ilmenau Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Ilmenau.
Climate overview of Ilmenau
Temperatures in Ilmenau, Thuringia, Germany, vary greatly throughout the year. July is the hottest month at 23°C (73°F), while January is the coldest at 3°C (37°F).
Ilmenau sees a moderate amount of rain/snowfall, totalling around 913 mm (36 in) per year. It experiences warm summers and cold winters, creating some seasonal variation. The sunniest month is July, with 7.5 hours of sunshine per day on average.
Ilmenau Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Ilmenau - and find the best time to visit.
Monthly Temperature in Ilmenau
The climate in Ilmenau is known for significant temperature differences throughout the year, making the weather dynamic. Average maximum daytime temperatures range from a comfortable 23°C (73°F) in July, the warmest time of the year, to a chilly 3°C (37°F) during cooler months like January.
At night, you can expect temperatures ranging from 13°C (55°F) in July to around -3°C (27°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Ilmenau
Generally, Ilmenau receives mid-range precipitation levels, with 913 mm (36 in) annually. Year-round, Ilmenau has a balanced climate with minimal variation in precipitation. The difference between the wettest month, July, with 99 mm (3.9 in), and the driest month, February, with 62 mm (2.4 in), is minimal. For more details, please visit our Ilmenau 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 Ilmenau
Seasonal changes in sunshine hours are quite dramatic in Ilmenau. While July receives considerable daily sunshine with up to 7.5 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.5 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Best Time to Visit Ilmenau
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June, July and August
- Warmest weather: July and August
- Most sunshine: July
- Seasonal pattern: Warm summers and cold winters
- Coldest conditions: January, with freezing nights around -3°C (27°F).
Frequently asked questions about the climate in Ilmenau
What is the best time to visit Ilmenau?
June, July and August typically offer the most optimal weather in Ilmenau. In contrast, January, February, March, November and December tend to have less optimal conditions. Ilmenau has warm summers and cold winters.
What temperatures can I expect in Ilmenau?
Daytime highs range from 3°C (37°F) in January to 23°C (73°F) in July. Nighttime lows range from -3°C (27°F) to 13°C (55°F). Temperatures vary considerably through the year.
How much rain does Ilmenau get?
Annual rainfall is around 913 mm (36 in). July is the wettest month with 99 mm (3.9 in), while February is the driest with 62 mm (2.4 in).
How sunny is Ilmenau?
Ilmenau receives around 1,662 hours of sunshine per year. July is the sunniest month with 225 hours, while December is the cloudiest with just 45 hours.
Ilmenau 3-Day Forecast
Ilmenau on the map
Ilmenau is highlighted - select any city to see its climate.
Popular this month
Where to go in August - average daytime high across popular destinations.
Berlin
26°C (79°F) Düsseldorf24°C (75°F) Hanover24°C (75°F) Munich25°C (77°F) Cologne25°C (77°F) Hamburg24°C (75°F) Winterberg
22°C (72°F) Binz
21°C (70°F) 
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