Peranampattu experiences a warm climate year-round, with temperatures rising gradually from winter to summer. Winter months of January and February are mild, with average highs in the mid-20s Celsius, while spring months like March and April bring warmer days with highs often reaching above 35 degrees Celsius. Summer is hot and humid, lasting from May to June, with temperatures rarely dropping below 25 degrees Celsius at night. The monsoon season is not well-defined here, but September marks a slight decrease in temperature, followed by cooler winter months that are slightly more pleasant than the preceding summer. Overall, the temperature variation throughout the year is moderate, with an average annual high of around 35-40 degrees Celsius and low of around 15-20 degrees Celsius.