Weather in Dumka is reigned by humidity. February to April is the best time to visit Dumka.
Temperature during summer generally ranges upto 16°C – 41°C. Soaring heat makes it very difficult to travel throughout the distric
Rainfall is maximum in the month of July and August. Weather is mild and humid.
During winter temperature reaches extremes ranging between 1°C- 28°C. By the end of February the climatic conditions changes to much favourable one.