Climate Insights for Kolkata

The climate in Kolkata is hot. The average annual temperature is 27°C and approximately 1,709 mm of precipitation falls per year. August is the wettest month, receiving around 357 mm of rainfall. Kolkata is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: April, May, June. The coldest months are January, December, February, when temperatures can drop to 14°C.The climate in Kolkata is hot. The average annual temperature is 80°F and approximately 67.3 in of precipitation falls per year. August is the wettest month, receiving around 14 in of rainfall. Kolkata is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: April, May, June. The coldest months are January, December, February, when temperatures can drop to 57°F.

Temperatures in Kolkata vary considerably across the year, with a 22°C difference between the coldest and warmest months. April is the hottest month, with daytime highs reaching 36°C and an average of 30°C. January is the coolest month, with minimum temperatures around 14°C and an average of 19°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between February and March, with a 4°C shift in average temperatures.Temperatures in Kolkata vary considerably across the year, with a 39°F difference between the coldest and warmest months. April is the hottest month, with daytime highs reaching 96°F and an average of 86°F. January is the coolest month, with minimum temperatures around 57°F and an average of 66°F. On average, daily temperatures fluctuate by about 15°F between overnight lows and afternoon highs. The sharpest temperature change occurs between February and March, with a 8°F shift in average temperatures.

Kolkata is a fairly wet location, receiving approximately 1,709 mm of precipitation annually, which averages out to around 142 mm per month. The wettest month is August, averaging 357 mm of rainfall. July and September also tend to see above-average precipitation. The driest month is January, with just 10 mm. That's 346 mm less than August, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.Kolkata is a fairly wet location, receiving approximately 67.3 in of precipitation annually, which averages out to around 5.6 in per month. The wettest month is August, averaging 14.1 in of rainfall. July and September also tend to see above-average precipitation. The driest month is January, with just 0.4 in. That's 13.6 in less than August, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Kolkata is relatively calm, with an average annual wind speed of 9km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is May, averaging 12km/h, though still comfortable for most outdoor activities. The calmest conditions occur in February, with average winds dropping to 7km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 5km/h gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 7km/h in winter, 10km/h in spring, 11km/h in summer, 8km/h in autumn.Kolkata is mildly breezy, with an average annual wind speed of 6mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is May, averaging 7mph, though still comfortable for most outdoor activities. The calmest conditions occur in February, with average winds dropping to 4mph, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3mph gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 5mph in winter, 6mph in spring, 7mph in summer, 5mph in autumn.

The best time to visit Kolkata is during January, February, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 26 mm per month. By contrast, April can be uncomfortably hot with temperatures reaching 36°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.The best time to visit Kolkata is during January, February, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 71°F with modest rainfall averaging 1 in per month. By contrast, April can be uncomfortably hot with temperatures reaching 96°F. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Kolkata based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.The table below shows monthly climate averages for Kolkata based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.