Vellore has a tropical wet-and-dry climate, reaching high temperatures during summer. The city experiences wet winters and dry summers; it has an elevation of about 224 meters, with the northeast monsoon the highest contributor to rainfall. The mean maximum and minimum temperatures during summer and winter vary between 38.5°C and 18.95°C. The highest temperature ever recorded is 45°C, and the lowest is 10°C.
The humidity ranges from 40%–63% during summer and 67%–86% during winter. The average annual rainfall is 996.7 millimetres (39.24 in). The maximum rainfall occurs during October and November, with the northeast monsoon. The area experiences rainfall during the southwest monsoon as well
