Illkirch-Graffenstaden Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Illkirch-Graffenstaden, Alsace, France. These values are calculated using 30 years of data (1990–2020) to ensure accuracy. Let's explore the details to provide you with a complete overview.

On average, Illkirch-Graffenstaden receives a reasonable amount of rain/snowfall, with an annual precipitation of 991 mm (39 in).

Monthly Precipitation Levels

The average number of days each month with precipitation (> 0.2 mm (0.01 in))

The wettest period in Illkirch-Graffenstaden occurs in December, which receives around 94 mm (3.7 in) of precipitation. During the driest month, April, Illkirch-Graffenstaden experiences moderate rainfall, totaling approximately 69 mm (2.7 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate.

December, the wettest month, has a maximum daytime temperature of 7°C (45°F). The city receives 44 hours of sunshine in this period. During the driest month April you can expect a temperature of 17°C (63°F). For more detailed insights into the city's temperatures, visit our Illkirch-Graffenstaden Temperature page.

Annual Rainfall in France: City Comparison

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

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Legend heavy rainfall high moderate low almost none

Heavy annual rainfall has been defined as more than 1000 mm (39 in) precipitation. High: 600 mm (24 in) to 1000 mm (39 in). Moderate: 250 mm (9.8 in) to 600 mm (24 in). Low: less than 250 mm (9.8 in).

Illkirch-Graffenstaden vs World: Rainfall Compared

Illkirch-Graffenstaden's average annual precipitation is 991 mm (39 in). Let's compare this to some popular worldwide tourist destinations:

Chicago, USA, sees an annual precipitation of 1062 mm (42 in), with rain and snow contributing to its humid climate.

In Seoul, South Korea, the average annual precipitation is 1237 mm (49 in), with most rain falling during the summer monsoon season.

In Tokyo, Japan, the average annual precipitation is 1528 mm (60 in), with significant summer rains due to typhoon season.

Singapore, situated near the equator, gets 2581 mm (102 in) of rainfall annually, with no distinct dry season and consistent monthly precipitation.

Precipitation amounts are measured using specific gauges installed at weather stations, collecting both rain and snow and any other type of precipitation. Rainfall is measured directly in millimeters, while that from snow and ice is obtained by melting it. Automated systems often incorporate heaters to make this easier.

Information from these stations is transmitted via Wi-Fi, satellite, GPS, or telephone connections to central monitoring networks. This information is immediately updated and integrated into weather models and forecasts.

• "Ginger" was the longest-lasting Atlantic tropical storm, which spun around the open ocean for 28 days in 1971.
• The world's largest snowflake was recorded in the Guinness Book of Records, at 38 cm (15 inches) wide and 20 cm (7.9 inches) thick. The snowflake fell at Fort Keogh, Montana, USA, on 28 January 1887.
• The greatest snowfall recorded was on Mt. Rainier, Washington State, USA—over 31.5 meters (103 feet) fell during the winter of 1972.

For more detailed information about Illkirch-Graffenstaden's weather, including sunshine hours, humidity levels, and temperature data, visit our Illkirch-Graffenstaden Climate page.