Illertissen Climate by Month
The temperature in Illertissen can vary greatly throughout the year.
The temperatures shift from warm
to cold.
It also has a notably wet climate with much precipitation.
Let's now guide you through the climate details for a complete overview.
Average day and night temperature
Depending on the time of the year, temperatures range from comfortable to chilly in Illertissen. Average daytime temperatures range from a comfortable 25°C in July, the warmest time of the year, to a chilly 4°C during cooler months like January. At night, temperatures typically average around -2°C during these months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Illertissen has a relatively rain/snowy climate with high precipitation levels, averaging 1006 mm of rain/snowfall annually. While rainfall varies throughout the year, each season offers its own charm. June brings wetter days averaging 111 mm of precipitation, spread over 16 rainy days. In contrast, February experiences a drier climate, with about 63 mm of snow/rainfall spread across 15 snowy/rainy days.The mean monthly precipitation over the year, including rain, hail and snow
Sunshine over the year
Seasonal changes in sunshine hours are quite dramatic in Illertissen. While July receives considerable daily sunshine with up to 8.1 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.5 hours of sunlight per day.Monthly hours of sunshine
Daily hours of sunshine
The best time of year to visit Illertissen in Germany
During the months of June, July and August you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
August has an average maximum temperature of 25°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 4°C.
June tops the wettest month list with 111 mm of rainfall.
February is the driest month with 63 mm of precipitation.
July is the sunniest month with an average of 243 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.