Kolkata weather in December
December in Kolkata: warm, a little rain, with poor air quality — an excellent time to visit.
#3 of 12 months in Kolkata · #108 of 604 destinations to visit in December · comfort 83/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Kolkata climate normals — December
| Daytime high | 25°C / 78°F | 🌤 warm |
|---|---|---|
| Nighttime low | 15°C / 58°F | |
| Feels like (high) | 26°C / 79°F | |
| Rainfall | 39 mm / 1.5 in | 🌦 some rain |
| Rainy days | 2 days | |
| Humidity | 72% | 💧 humid |
| Dew point | 15°C / 58°F | |
| Sunshine | 9.3 h/day | |
| Daylight | 10.8 h | |
| Wind | 11 km/h / 7 mph | |
| Air quality (US AQI) | 166 | ⚠️ unhealthy |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Kolkata in December — FAQ
- Is December a good time to visit Kolkata?
- December in Kolkata: warm, a little rain, with poor air quality — an excellent time to visit. It ranks #3 of 12 months for Kolkata on SeasonMap's comfort score (83/100).
- What is the weather like in Kolkata in December?
- In December, Kolkata averages a daily high of 25.4°C and a low of 14.7°C, with about 38.7 mm of rain over roughly 1.8 rainy days.
- What is the air quality in Kolkata in December?
- Kolkata has a mean US Air Quality Index of about 166 in December.