The climate in Marayur is characterized by mild wet winters and hot dry summers. Temperature in winter (November to January) may go down to 20 degrees Celsius and in summer it may go up to 36.2 degrees Celsius. Marayur winter is not frigid cold as considerable sunshine is also characteristic to this region even during rainy winter. Summer is humid and hot with blazing sun. Generally Marayur experience a moderate climate, temperatures varying 21 °C to 27 °C with minimum seasonal variation except in winter. The plains are generally warm but the higher altitudes are cool.