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Illertissen Temperatures: Monthly Averages and Year-Round Insights

On this page, we’ll explore Illertissen’s temperature statistics in detail, including day and night variations and monthly averages. We’ll also compare the annual temperature to other cities in Germany.

Monthly Temperature Averages

With significant temperature fluctuations, Illertissen enjoys distinct seasons year-round. Average maximum daytime temperatures reach a warm 25°C in July. In January, the coolest month of the year, temperatures drop to a cold 4°C. At night, expect even cooler temperatures, with lows averaging around -2°C.

The chart below illustrates the average maximum day and minimum night temperatures in Illertissen by month:

The minimum temperature is often recorded between 4 AM and 6 AM, while the highest temperature is usually reached at 3 PM. During this time the sun's heating effect is the strongest.

The chart below shows the average temperature throughout the year:

July, the city’s warmest month, also receives about 109 mm of rainfall spread over roughly 15 days. For more information, please visit our Illertissen Precipitation page.

Annual Temperatures in Germany Compared

The map below shows the annual temperature across Germany. You can also select the different months in case you are interested in a specific month.

Annual
Map not visible? Whoops sorry! Please refresh the page.
Legend very warm warm pleasant moderate cold very cold
Very warm means maximum temperatures above 30°C. Warm: 22°C to 30°C. Pleasant: 18°C to 22°C Moderate: 12°C to 18°C. Cold: 2°C to 12°C. Very cold: lower than 2°C

Illertissen Temperatures Compared World Wide

Illertissen’s average annual maximum temperature is 14°C. Let’s compare this with some popular tourist destinations:

Athens, Greece, experiences an average annual temperature of 23°C, with hot summers and mild winters typical of a Mediterranean climate.

Glasgow, Scotland, the average annual temperature is significantly lower at 13°C, with mild summers and cold winters.

Chicago, USA, has a significant seasonal range, with an average annual temperature of 15°C.

Adelaide, Australia, enjoys warm summers and mild winters, with an average annual temperature of 21°C.

How are these Temperatures Measured?

Generally, temperature data depicting climate is usually given over a 30-year average in order to reduce short-term fluctuations and reveal better long-term trends in climate conditions.

This temperature data is taken from land-based thermometers, ocean buoys, ships, and satellites. These measurements are transmitted to weather stations and climate centers around the globe where they are processed, averaged, and analyzed in order to monitor the trends and create climate models.

Global Warming and Its Effects

Climate change is affecting worldwide temperatures, including in Illertissen. It has massive impacts on both local and global levels:

  • Global Temperature Rise: The average global land and sea temperatures have risen by about 1.2°C since pre-industrial times.
  • Local Impacts: Most regions of the world are witnessing warmer winters with fewer frost and snowfall days. The global frequency and severity of heatwaves have increased. For example, Europe's summers of 2018, 2019, and 2020 all broke records. Summers are also becoming drier; however, during winter, inland regions have experienced increased rainfall. This has caused elevated river levels and more cases of flooding.

    Many countries are experiencing earlier springs and later autumns. This is why some bird species have shifted their migration dates.

For more detailed information about Illertissen’s weather, including monthly rainfall, sunshine hours, and humidity levels, visit our Illertissen climate page.


Current temperature in Illertissen

Sun   Dec 22
5°C | -2°C
SW 8 m/s
65 mm
broken clouds and rain

broken clouds and rain

Mon   Dec 23
2°C | -1°C
NW 5 m/s
7.4 mm
broken clouds and sleet

broken clouds and sleet

Tue   Dec 24
2°C | -3°C
NW 4 m/s
1.1 mm
overcast and slight rain

overcast and slight rain

Interested in more climate information?

This site provides you with all the information you need about the climate in Illertissen.

Our site offers climate and forecast data for every country in the world. Are you going to Germany? On this website you can find historical weather averages for many cities in Germany. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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