June in Chełm averages a daily high of 23.3°C with nights around 12.2°C. Expect roughly 12.1 wet days totalling 72.9mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Chełm is May–September.
Based on WLODAWA, PL (45.4km), 1995–2024. 30 years of June data.