About Chillum, MD's Climate & Weather History

With a population of around 33,500, Chillum sits in Maryland, United States. The city operates in the Eastern Time Zone.

In 2025, Chillum recorded an average annual temperature of 56°F. The hottest temperatures reached 101°F in June; the coolest were 7°F in January. Total precipitation for the year was 50 inches, with the wettest month being May. Snowfall for the year totaled approximately 7 inches.