UV Index
UV Index
Today's UV index in Calcutta, India 
will be up to 7.7, indicating a high level of sun exposure for the average person. Check our tips for today to make sure you're safe in the sun.
Last checked: 2025-05-08
With Calcutta's UV index reaching 7.7, protect your skin from harm by staying in shade, wearing protective clothing, and applying SPF 30+ sunscreen every 2 hours, especially between 10 a.m. and 4 p.m. when UV rays are strongest.
The UV index in Calcutta is generally high, especially from March to June, often ranging from 8 to 12, indicating strong sun exposure during these months. It decreases during the winter season from November to February.
Calcutta has a tropical wet-and-dry climate with a hot summer from March to June, a rainy monsoon season from June to September, and a cooler, dry winter from November to February. Spring and autumn are short transitional periods.
Compared to other parts of India, Calcutta experiences more humidity due to its proximity to the Bay of Bengal. It has more rainfall than many northern inland cities but less than the heavy monsoon areas in northeastern India and Bangladesh.
See the UV index hour by hour for Calcutta, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.