October in Chełm averages a daily high of 13.3°C with nights around 2.8°C. Expect roughly 11.3 wet days totalling 43mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Chełm is May–September.
Based on WLODAWA, PL (45.4km), 1995–2024. 29 years of October data.