Calcutta weather in October 2025

Expect 90°F daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Calcutta in October. Check more long-term weather averages for Calcutta in October before you book your next holiday to India in 2025/2026.

  • 90°F maximum daytime temperature in October in Calcutta90
    90°F max day temperature
  • 6 hours of sunshine per day
  • 5 days with some rainfall in October in Calcutta5
    5 days with some rainfall
  • 75°F minimum night-time temperature in October in Calcutta75
    75°F min night temperature
  • 12 hours of daylight per day in October in Calcutta12
    12 hours of daylight per day
  • Very high heat & humidity in October in CalcuttaVH
    Very High heat & humidity
  • 5.1 inches monthly rainfall in October in Calcutta5.1
    5.1 inches of monthly rainfall
  • UV (maximum) index 9 (Very High) in October in Calcutta9
    9 (Very High) UV index

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The October weather guide for India (Calcutta) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

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How hot is it in Calcutta in October?

Daytime temperatures usually reach 90°F in Calcutta in October with very high heat and humidity, falling to 75°F at night.

How sunny is it in Calcutta in October?

There are normally 6 hours of bright sunshine each day in Calcutta in October - that's 52% of daylight hours.

Does it rain in Calcutta in October?

There are usually 5 days with some rain in Calcutta in October and the average monthly rainfall is 5.1 inches.

What is the chance of a cyclone in Calcutta in October?

On average 1.2 days in October in Calcutta are likely to be affected by the passage of one or more tropical storms.

Calcutta October sunrise & sunset times

Browse the sunrise and sunset times for Calcutta in October 2025. Select a month to view Calcutta sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 05:28 17:24
Thursday, 16th October 2025 05:34 17:11
Friday, 31st October 2025 05:41 17:00

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