Kolkata Sunshine Hours by Month

Sunshine plays a big role in understanding the climate of a city. This page shows the total number of hours of direct sunlight per month and the average hours per day in Kolkata, West Bengal, India. These values are calculated using 30 years of data (1990–2020) to ensure accuracy.

Monthly hours of sunshine

Those who love seasonal contrasts will appreciate Kolkata. Expect long, bright days with 241 hours in April and darker periods with just 106 hours in July. The total annual amount of sun is 2222 hours.

Daily hours of sunshine

Seasonal changes in sunshine hours are quite obvious in Kolkata. While April receives considerable daily sunshine with up to 8.0 hours, July marks the darkest time of the year, where sunshine is scarce with only 3.5 hours of sunlight per day.

Kolkata enjoys an average of 2222 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

The city of Rome, Italy, experiences 2470 hours of sunshine annually, adding to its charm as a year-round tourist destination.

In contrast, Juneau, Alaska, receives only about 1523 hours of sunshine per year and is known for its very short days in winter and frequently overcast conditions.

In Shanghai, China, the annual average sunshine is 1780 hours, with cloudier weather in summer.

In Tokyo, Japan, the average annual sunshine is 1930 hours, with sunny periods between rainy seasons.

July, Kolkata’s wettest month, receives 79 mm (3.1 in) of rainfall and has a maximum daytime temperature of 33°C (91°F). During the driest month December you can expect a temperature of 28°C (82°F).

For more detailed insights into the city’s temperatures, check out our Temperature page. To explore more about precipitation patterns, visit our Kolkata Precipitation page.