Kolkata Weather
The weather in February in Kolkata is pleasantly warm. You will not need any warm clothing. There is very little chance of rain. The Congress venue, hotels and coaches will be air-conditioned. The afternoon sun may be strong, so a hat is advisable.
Decide for yourself what to wear based on the last two years’ data below. The maximum temperature is reached in mid-afternoon and the minimum in the very early morning well before sunrise.