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It is a well-known fact that the climate change is happening worldwide on global as well as regional scale. Kerala, India is one such state which is affected by climate change in the form of extreme flooding and temperature changes. The pre-monsoon temperature changes are crucial for the coming monsoon period. Hence, in this study, we study pre-monsoon temperature changes over Kottayam district from 1991 to 2014. The dataset has been taken from Kerala Government. The result suggests that there are changes happening in the Kottayam district for both maximum and minimum temperatures with decrease of maximum temperatures and increase of minimum temperature. These changes are indicative of increasing in hot days.