January weather forecast
Kolkata, India

In January, Kolkata witnesses a mild climate compared to the chilling winters of most Indian cities. With a slight nip in the air, it is an optimal time for sightseeing and outdoor activities, even as other cities are in the grip of extreme cold. Some might find mornings and evenings slightly cool, so packing a light jacket or shawl is advisable. A delightful blend of clement temperatures and low humidity is observed. Of note are temperatures that range from 13.8°C (56.8°F) to 26.4°C (79.5°F), along with a relatively low humidity level of 66%.

Temperature

In Kolkata, the lowest temperatures are generally noted in January, averaging a high of 26.4°C (79.5°F) and a low of 13.8°C (56.8°F).

Humidity

The average relative humidity in January in Kolkata, India, is 66%.

Rainfall

The month with the least rainfall in Kolkata, India, is January, when the rain falls for 1.2 days and typically collects 11mm (0.43") of precipitation.

Daylight

The average length of the day in January in Kolkata, India, is 10h and 56min.
On the first day of January in Kolkata, sunrise is at 6:16 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 5:23 pm IST.

Sunshine

The average sunshine in January in Kolkata, India, is 6.6h.

UV index

In Kolkata, the average daily maximum UV index in January is 7. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: A daily maximum UV index of 7 in January translates into the following instructions:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Stay sun-safe with clothing that is both closely woven and worn loosely.