Kolkata weather in May
Temperature, rain and sunshine in May: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in May
Poor
Best time to visit: November – February
What is the weather like in Kolkata in May?
In May, Kolkata is very hot: daytime highs average 35 °C, and even at night it stays warm at around 27 °C. The sun shines for around 7 hours a day. Rain is frequent, with about 12 rainy days and 116 mm in total. On about 30 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, May is not an ideal month for a holiday in Kolkata.
May compared
How the weather changes from April to June. Tap a month to open it.
More details for May
- Daylight
- 13 h 12 min04:56 – 18:09
- UV index
- 12 · extremeclear sky, noon (estimate)All months
- Muggy days
- 31 daysdew point 18 °C or moreAll months
- Wind
- 17 km/haverage daily peakAll months
- Cloud cover
- 48 %on averageAll months
- Hot days
- 30 days30 °C or moreAll months
- Time zone
- UTC+5:30Asia/Kolkata
How the score comes together
- Temperatureweight 50 %1 %
- Sunshineweight 20 %63 %
- Few rainy daysweight 30 %41 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in May
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
- Insect repellent
- Rain jacket or umbrella
Kolkata in May: quick answers
Is Kolkata hot in May?
Yes. In May, Kolkata is very hot: daytime highs average 35 °C and nights stay around 27 °C. On about 30 days the thermometer climbs to 30 °C or more.
Does it rain much in Kolkata in May?
Rain is frequent, with about 12 rainy days and 116 mm in total.
Kolkata month by month
The whole year in KolkataAll destinations: IndiaWhere to go in May
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