Hoeilaart Weather & Climate: Best Time to Visit

Visitors to Hoeilaart 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, Hoeilaart experiences moderate precipitation patterns, averaging 834 mm (33 in) yearly. Precipitation levels in Hoeilaart remain relatively steady throughout the year. August has the most rain, with 80 mm (3.1 in) over 16 days. In the driest month April, this drops slightly to 56 mm (2.2 in), making the city's climate fairly predictable. For more details, please visit our Hoeilaart 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, Hoeilaart serves as an ideal destination. Expect longer, more sun-filled days in May with an average of 6.3 hours of sunshine daily, and embrace the darker days in December, offering only 1.5 hours of daily sunlight.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The city experiences its highest humidity in January, reaching 89%. In May, the humidity drops to its lowest level at 73%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year

The mean wind speed over the year ranges from 3 m/s (6 knots) in April, May, June, July, August, September, October and November to 4 m/s (8 knots) in January, February, March and December. What does this mean?

The mean monthly wind speed over the year (meters per second)