Sart-lez-Spa Weather & Climate: Best Time to Visit

Depending on the time of the year, temperatures range from comfortable to chilly in Sart-lez-Spa. Average maximum daytime temperatures range from a comfortable 22°C (72°F) in July, the warmest time of the year, to a chilly 5°C (41°F) during cooler months like January.

At night, you can expect temperatures ranging from 13°C (55°F) in July to around -1°C (30°F) during January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Sart-lez-Spa has a relatively rain/snowy climate with high precipitation levels, averaging 1118 mm (44 in) of rain/snowfall annually. Year-round, Sart-lez-Spa has a balanced climate with minimal variation in precipitation. The difference between the wettest month, December, with 114 mm (4.5 in), and the driest month, April, with 74 mm (2.9 in), is minimal. For more details, please visit our Sart-lez-Spa 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 Sart-lez-Spa. While May receives considerable daily sunshine with up to 6.5 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 city experiences its highest humidity in November, reaching 93%. In June, the humidity drops to its lowest level at 81%. 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 June to 5 m/s (10 knots) in January, February and December. What does this mean?

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