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Illerich Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Illerich.
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Climate overview of Illerich
Temperatures in Illerich, Rhineland-Palatinate, Germany, vary greatly throughout the year. July is the hottest month at 24°C (75°F), while January is the coldest at 5°C (41°F).
Illerich sees a moderate amount of rain/snowfall, totalling around 794 mm (31 in) per year. It experiences warm summers and cold winters, creating some seasonal variation. Sunshine peaks in July, when the city sees around 7.0 hours of sunshine per day.
Illerich Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Illerich - and find the best time to visit.
Monthly Temperature in Illerich
The climate in Illerich is known for significant temperature differences throughout the year, making the weather dynamic. Average maximum daytime temperatures range from a comfortable 24°C (75°F) in July, the warmest time of the year, to a chilly 5°C (41°F) during cooler months like January.
At night, you can expect temperatures ranging from 13°C (55°F) in July to around -1°C (30°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Illerich
Generally, Illerich receives mid-range precipitation levels, with 794 mm (31 in) annually. Year-round, Illerich has a balanced climate with minimal variation in precipitation. The difference between the wettest month, December, with 75 mm (3 in), and the driest month, April, with 56 mm (2.2 in), is minimal. For more details, please visit our Illerich 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 Illerich
Seasonal changes in sunshine hours are quite dramatic in Illerich. While July receives considerable daily sunshine with up to 7.0 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.4 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Bonn, Germany (59 KM, 37 Miles).
Daily hours of sunshine
Data from: Bonn, Germany (59 KM, 37 Miles).
Best Time to Visit Illerich
Conditions in Illerich are generally most comfortable in June, July and August. They are typically least comfortable in January, February, March, 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
cold
Apr
good
May
very good
Jun
excellent
Jul
excellent
Aug
excellent
Sep
very good
Oct
good
Nov
cold
Dec
cold
- 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 -1°C (30°F).
Frequently asked questions about the climate in Illerich
What is the best time to visit Illerich?
June, July and August typically offer the most optimal weather in Illerich. In contrast, January, February, March, November and December tend to have less optimal conditions. Illerich has warm summers and cold winters.
What temperatures can I expect in Illerich?
Daytime highs range from 5°C (41°F) in January to 24°C (75°F) in July. Nighttime lows range from -1°C (30°F) to 13°C (55°F). Temperatures vary considerably through the year.
How much rain does Illerich get?
Annual rainfall is around 794 mm (31 in). December is the wettest month with 75 mm (3 in), while April is the driest with 56 mm (2.2 in). In the coldest months, precipitation may fall as snow/rain.
How sunny is Illerich?
Illerich 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.
Illerich 3-Day Forecast
Illerich on the map
Illerich is highlighted - select any city to see its climate.
Popular in September
Where to go in September - average daytime high across popular destinations.
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