Uccle Weather in January: With the air being damp (Humidity is 84%) and temperature being as low as 23℉, you can expect cold weather on your visit to Uccle in the month of January. The average temperature is 36℉. The average precipitation recorded around this time is 18.9 mm.

Uccle Weather in February-March: Temperatures ranging from 30℉ to 70℉ call for delightful afternoon explorations of Uccle. Mornings and evening can be a tad difficult to get out owing to the humidity reaching 78% making the weather cooler. Perfect to bank on all that napping! Expect an average precipitation of 62.95 mm.

Uccle Weather in April: With an average temperature of 46℉ and slightly more humidity in the air, makes for cooler afternoons in Uccle. Make sure you carry light woollens as evening can get a bit chilly. This time period sees an average precipitation of 33.25 mm.

Uccle Weather in May-August: With average humidity of 71%, temperatures sway between 34℉ to 90℉. Now this may cause a little discomfort, but we are sure not complaining! This weather is perfect to go sightseeing around the city of Uccle. This time period sees an average precipitation of 37.92 mm.

Uccle Weather in September-October: An excellent season to visit Uccle, the average temperature falls around 56℉. The weather is great for outdoors, the air being moderately humid. This is most likely one of the best times to visit Uccle and also a tourist high season. The average precipitation recorded around this time is 42.98 mm.

Uccle Weather in November-December: Uccle is cold and wet in this time period. The average humidity is around 88%, hence the chances of precipitation are high. Warm jackets and good boots are recommended if you plan to explore the outdoors. The average precipitation recorded around this time is 68.23 mm.