Genk Monthly Rainfall & Precipitation
This page shows both the average monthly rainfall and the number of rainy days in Genk, Limburg, Belgium. This average is based on long-term data collected between 1990 and 2020. Let's now guide you through the details for a complete overview.
Generally, Genk receives mid-range precipitation levels, with 863 mm (34 in) annually.
Monthly Rainfall & Rainy Days
Monthly Precipitation Levels
The average number of days each month with precipitation (> 0.2 mm (0.01 in))
Despite minor fluctuations, Genk enjoys fairly consistent precipitation throughout the year. In December, you can expect around 84 mm (3.3 in) of precipitation, while in April, Genk receives about 56 mm (2.2 in).
December, the wettest month, has a maximum daytime temperature of 8°C (46°F). The city receives 55 hours of sunshine in this period. During the driest month April you can expect a temperature of 16°C (61°F). For more detailed insights into the city's temperatures, visit our Genk Temperature page.
Daily Historical Precipitation
Average daily rainfall for each day of the month based on long-term records. 50-year average (1976-2025)
Average precipitation in August
Explore Genk's Historical Precipitation: 1976-2026
Browse day-by-day precipitation records for Genk spanning 51 years. Select any month and year to see actual rainfall and snowfall recorded on each day.
Annual Rainfall in Belgium: City Comparison
The map below shows the annual precipitation across Belgium. You can also select the different months in case you are interested in a specific month.
Genk vs World: Rainfall Compared
Genk's average annual precipitation is 863 mm (34 in). Let's compare this to some popular worldwide tourist destinations:
In Toronto, Canada, annual precipitation averages 964 mm (38 in), with snowy winters and rainy summers.
In Shanghai, China, the annual average precipitation is 1347 mm (53 in), with a humid subtropical climate.
In Tokyo, Japan, the average annual precipitation is 1528 mm (60 in), with significant summer rains due to typhoon season.
Mumbai, India, experiences a tropical monsoon climate with 1860 mm (73 in) of annual rainfall, with the majority of precipitation happening during the monsoon season from June to September.
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.
Climate change is affecting precipitation patterns worldwide, including Genk:
- Changing Rainfall Patterns: Global warming causes drastic changes in the patterns of rainfall. Some areas have been experiencing increased frequency and intensity of rainfall, while other areas experience longer dry spells or even droughts.
- Local Impacts: Many regions are experiencing heavier rainfall in the winter months and drier, hotter summers. This affects agriculture, water resources, and ecosystems.
- "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 Genk's weather, including sunshine hours, humidity levels, and temperature data, visit our Genk Climate page.
Genk Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Genk - and find the best time to visit.
Genk 3-Day Forecast
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Genk climate overview or explore weather in Belgium.
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