The Wheather of Rishikesh varies according to seasons.
December, January are the coldest months of the Year. Nights are cold but Days are pleasant under Sun. If you coming during this period, you need warm clothes.
February, March, and April are the best months neither very cold or Hot. Perfect weather conditions with a lot of Sunshine. But still in February, you should need some warm clothes but for March and April light clothes are fine.
May, June are the Summer month with temperature rises up to 30-40 degree centigrade. But the evening is better to participants. we recommended you come with light clothes
July & August are the time of monsoon, The rain is not regular, it comes and goes. We recommended you to come Light clothing with a rain gears
September, October, and November are very slow mansoon and starting of winter. In September, the temperature is normal but night becomes pleasant in September. In the months of October and November, winter starting where the weather stays perfect, neither cold nor hot. Light clothing for September and October but Moderately warm clothing for the month of November is required.