Kortessem Weather & Climate: Best Time to Visit

Visitors to Kortessem can expect significant temperature changes throughout the year. Typically, average maximum daytime temperatures range from a comfortable 24°C (75°F) in July to a chilly 7°C (45°F) in the coolest month, January.

Nights vary from 14°C (57°F) in July to around 1°C (34°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Generally, Kortessem experiences moderate precipitation patterns, averaging 880 mm (35 in) yearly. Precipitation levels in Kortessem remain relatively steady throughout the year. December has the most rain, with 86 mm (3.4 in) over 19 days. In the driest month April, this drops slightly to 57 mm (2.2 in), making the city's climate fairly predictable. For more details, please visit our Kortessem Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

For those who appreciate different seasons, Kortessem serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 7.0 hours of sunshine daily, and embrace the darker days in December, offering only 1.8 hours of daily sunlight.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Daily percentage of sunshine

The relative humidity is high throughout the year in Kortessem.

The city experiences its highest humidity in December, reaching 88%. In April, the humidity drops to its lowest level at 71%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year