July in Chełm averages a daily high of 25.5°C with nights around 13.7°C. Expect roughly 12.3 wet days totalling 82.6mm. 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. 29 years of July data.