Kolkata weather in August
August in Kolkata: sweltering, soaked, with very humid — one of the weakest months to visit.
#12 of 12 months in Kolkata · #582 of 604 destinations to visit in August · comfort 38/100 (tier F)
Updated June 2026 · climate normals from ERA5 reanalysis
Kolkata climate normals — August
| Daytime high | 31°C / 89°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 26°C / 79°F | |
| Feels like (high) | 38°C / 100°F | |
| Rainfall | 355 mm / 14 in | ⛈ soaked |
| Rainy days | 28 days | |
| Humidity | 86% | 💦 very humid |
| Dew point | 26°C / 78°F | |
| Sunshine | 7.3 h/day | |
| Daylight | 12.9 h | |
| Wind | 14 km/h / 9 mph | |
| Air quality (US AQI) | 86 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Kolkata in August — FAQ
- Is August a good time to visit Kolkata?
- August in Kolkata: sweltering, soaked, with very humid — one of the weakest months to visit. It ranks #12 of 12 months for Kolkata on SeasonMap's comfort score (38/100).
- What is the weather like in Kolkata in August?
- In August, Kolkata averages a daily high of 31.4°C and a low of 26.2°C, with about 354.7 mm of rain over roughly 28.2 rainy days.
- What is the air quality in Kolkata in August?
- Kolkata has a mean US Air Quality Index of about 86 in August.