August in Chełm averages a daily high of 24.9°C with nights around 12.8°C. Expect roughly 10.5 wet days totalling 79.9mm. 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 August data.