Was Palakad always this hot?

Was Palakad always this hot? I mean I do realise the temperature touches 41-42 during peak summers, but this early? And also why is Palakad exceptionally hot than rest of Kerala?

Was Palakad always this hot? I mean I do realise the temperature touches 41-42 during peak summers, but this early? And also why is Palakad exceptionally hot than rest of Kerala?