Kolkata Weather in October

The climate in Kolkata during October can be summarized as hot, humid and wet.

October is in the fall / autumn in Kolkata and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a steamy 32°C (89°F), whilst at night 24°C (75°F) is normal.

On average October is the 5th wettest month of the year in Kolkata with around 129mm 5.1 inches of rain making it a wet time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.

On the flip side this corresponds to an average of 6.4 hours of sunshine per day.

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Kolkata in October 2025.