Pattukkottai experiences a warm climate year-round, with temperatures ranging from 18-38°C. Winter is mild, with average highs in the mid-20s to low 30s from January to February and December. Spring brings gradual warming, with March and April averaging highs in the mid-to-high 30s. Summer months of May, June, and July are hot, with temperatures often reaching the high 30s. Autumn is slightly cooler, with September and October highs ranging from 23-34°C, but November sees a brief spike to over 50°C.