The summer season in Yercaud is very pleasant. The temperature generally varies between 16°C and 30°C. Ordinary cotton clothing is preferred during this time in Yercaud.
The southwest monsoon during June and July, northeast monsoon during Oct and Nov brings moderate to heavy rainfall in Yercaud.
The winter season in Yercaud begins in November and ends in February. During this time temperature usually varies between 6°C and 25°C. Winters in Yercaud are mild and cool.