Kolkata Best Time to Visit
Monthly weather, temperatures, and the best season to travel for Kolkata, India. 7 verified facts from official sources.
7 facts · Last updated
| Fact | Source | Verified |
|---|---|---|
| Best time to visit Kolkata: January, February, March, November, December (25–33°C daytime, minimal rainfall). These months offer comfortable temperatures and dry weather for sightseeing. Based on 10-year weather averages (2016–2025). | Open-Meteo Historical Weather API (ERA5) | 12 Mar 2026 |
| Kolkata monthly weather (10-year avg): Jan: 25/14°C, 13mm; Feb: 29/17°C, 28mm; Mar: 33/22°C, 40mm; Apr: 36/25°C, 71mm; May: 34/26°C, 164mm; Jun: 33/27°C, 253mm; Jul: 32/26°C, 365mm; Aug: 31/26°C, 393mm; Sep: 31/26°C, 314mm; Oct: 31/24°C, 190mm; Nov: 29/19°C, 34mm; Dec: 26/15°C, 26mm. Temperatures are daily high/low in Celsius; rainfall is monthly total in mm. | Open-Meteo Historical Weather API (ERA5) | 12 Mar 2026 |
| Kolkata monsoon: May to October brings heavy rainfall (up to 393mm/month, 30+ rainy days). Roads flood, transport is disrupted, and outdoor activities are limited. Some travellers enjoy the monsoon atmosphere and lower prices — but plan for indoor alternatives. | Open-Meteo Historical Weather API (ERA5) | 12 Mar 2026 |
| India monsoon timing: the southwest monsoon arrives in Kerala around 1 June, reaches Mumbai by mid-June, Delhi by late June/early July, and withdraws by September (south) to October (north). The northeast coast (not covered by Indiaesque) gets a second monsoon Oct–Dec. | Open-Meteo Historical Weather API (ERA5) | 12 Mar 2026 |
| India peak tourist season: October to March for North India (Delhi, Agra, Jaipur, Varanasi, Rajasthan). November to February for South India (Kerala, Goa). Hotel prices are 30–50% lower in shoulder season (April–June, September) but heat and humidity are significant. | Open-Meteo Historical Weather API (ERA5) | 12 Mar 2026 |
| India’s three seasons: winter (Nov–Feb, cool and dry — best for tourism), summer (Mar–Jun, intensely hot in the north), and monsoon (Jul–Oct, heavy rain especially on the west coast and Gangetic plain). The south is warm year-round with less extreme seasonal variation. | Open-Meteo Historical Weather API (ERA5) | 12 Mar 2026 |
| India festival seasons and weather: Diwali (Oct/Nov) and Holi (March) fall in pleasant weather across the north. Durga Puja (October) in Kolkata is warm but comfortable. Onam (Aug/Sep) in Kerala coincides with late monsoon — expect rain but celebrations continue regardless. | Open-Meteo Historical Weather API (ERA5) | 12 Mar 2026 |