Kolkata weather in May
May in Kolkata: sweltering, rainy, with very humid — a fair time to visit.
#7 of 12 months in Kolkata · #558 of 604 destinations to visit in May · comfort 56/100 (tier D)
Updated June 2026 · climate normals from ERA5 reanalysis
Kolkata climate normals — May
| Daytime high | 34°C / 94°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 26°C / 80°F | |
| Feels like (high) | 40°C / 104°F | |
| Rainfall | 111 mm / 4.4 in | 🌧 rainy |
| Rainy days | 14 days | |
| Humidity | 75% | 💦 very humid |
| Dew point | 25°C / 77°F | |
| Sunshine | 10.9 h/day | |
| Daylight | 13.2 h | |
| Wind | 17 km/h / 10 mph | |
| Air quality (US AQI) | 88 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Kolkata in May — FAQ
- Is May a good time to visit Kolkata?
- May in Kolkata: sweltering, rainy, with very humid — a fair time to visit. It ranks #7 of 12 months for Kolkata on SeasonMap's comfort score (56/100).
- What is the weather like in Kolkata in May?
- In May, Kolkata averages a daily high of 34.4°C and a low of 26.4°C, with about 111.1 mm of rain over roughly 14.2 rainy days.
- What is the air quality in Kolkata in May?
- Kolkata has a mean US Air Quality Index of about 88 in May.