Calcutta weather in August 2025

Expect 90°F daytime maximum temperatures in the shade with on average 3 hours of sunshine per day in Calcutta in August. Check more long-term weather averages for Calcutta in August before you book your next holiday to India in 2025/2026.

  • 90°F maximum daytime temperature in August in Calcutta90
    90°F max day temperature
  • 3 hours of sunshine per day
  • 16 days with some rainfall in August in Calcutta16
    16 days with some rainfall
  • 79°F minimum night-time temperature in August in Calcutta79
    79°F min night temperature
  • 13 hours of daylight per day in August in Calcutta13
    13 hours of daylight per day
  • Very high heat & humidity in August in CalcuttaVH
    Very High heat & humidity
  • 12.8 inches monthly rainfall in August in Calcutta12.8
    12.8 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in Calcutta11
    11+ (Extreme) UV index

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The August 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 August?

Daytime temperatures usually reach 90°F in Calcutta in August with very high heat and humidity, falling to 79°F at night.

How sunny is it in Calcutta in August?

There are normally 3 hours of bright sunshine each day in Calcutta in August - that's 25% of daylight hours.

Does it rain in Calcutta in August?

There are usually 16 days with some rain in Calcutta in August and the average monthly rainfall is 12.8 inches.

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

On average 2.1 days in August in Calcutta are likely to be affected by the passage of one or more tropical storms.

Calcutta August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:08 18:18
Saturday, 16th August 2025 05:14 18:08
Sunday, 31st August 2025 05:19 17:55

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