Westerlo Weather & Climate: Best Time to Visit

Depending on the time of the year, temperatures range from comfortable to chilly in Westerlo. Average maximum daytime temperatures range from a comfortable 24°C (75°F) in July, the warmest time of the year, to a chilly 7°C (45°F) during cooler months like February.

At night, you can expect temperatures ranging from 14°C (57°F) in July to around 2°C (36°F) during February.

Check out our detailed temperature page for more information.

Temperature ranges by month

Generally, Westerlo has a moderate amount of precipitation, averaging 844 mm (33 in) of rain/snowfall annually. Year-round, Westerlo has a balanced climate with minimal variation in precipitation. The difference between the wettest month, December, with 81 mm (3.2 in), and the driest month, April, with 54 mm (2.1 in), is minimal. For more details, please visit our Westerlo Precipitation page.

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

The average number of days each month with precipitation

Seasonal changes in sunshine hours are quite dramatic in Westerlo. While July receives considerable daily sunshine with up to 6.8 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.5 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The relative humidity is high throughout the year in Westerlo.

The city experiences its highest humidity in December, reaching 86%. In April, the humidity drops to its lowest level at 69%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year