21st century averages (2000 to 2019)
East India / North India
The festival is during the core winter season over India ..
1. East India
East India has cool weather during Makar Sankranti ..
Bengal is cooler than Orissa plains due to it's more northerly latitude.
Bengal and Interior Orissa can get cold at times.
Bengal can also have cool day conditions.
Diurnal temp range is lower than Western India.