Kolkata weather in August
Temperature, rain and sunshine in August: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in August
Poor
Best time to visit: November – February
What is the weather like in Kolkata in August?
In August, Kolkata is hot: daytime highs average 31 °C, and even at night it stays warm at around 26 °C. The sun is scarce, with only about 4 hours a day. It is the rainy season: rain falls on about 29 days, totalling 311 mm. On about 24 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, August is not an ideal month for a holiday in Kolkata.
August compared
How the weather changes from July to September. Tap a month to open it.
| JulyJul | AugustAug | SeptemberSep | |
|---|---|---|---|
| Score | 27 | 28 | 30 |
| Day | 31° | 31° | 31° |
| Night | 26° | 26° | 26° |
| Sun | 4 h | 4 h | 4 h |
| Rain days | 29 | 29 | 25 |
More details for August
- Daylight
- 12 h 56 min05:13 – 18:09
- UV index
- 12 · extremeclear sky, noon (estimate)All months
- Muggy days
- 31 daysdew point 18 °C or moreAll months
- Wind
- 14 km/haverage daily peakAll months
- Cloud cover
- 93 %on averageAll months
- Hot days
- 24 days30 °C or moreAll months
- Time zone
- UTC+5:30Asia/Kolkata
How the score comes together
- Temperatureweight 50 %51 %
- Sunshineweight 20 %12 %
- Few rainy daysweight 30 %0 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in August
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
- Insect repellent
- Rain jacket or umbrella
Kolkata in August: quick answers
Is Kolkata hot in August?
Yes. In August, Kolkata is hot: daytime highs average 31 °C and nights stay around 26 °C. On about 24 days the thermometer climbs to 30 °C or more.
Does it rain much in Kolkata in August?
It rains often – on about 29 days, adding up to 311 mm.
Kolkata month by month
The whole year in KolkataAll destinations: IndiaWhere to go in August
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences