UV Index in Port Blair, India

Last updated: July 2, 2025

In Port Blair, India, staying informed about the UV Index is crucial for sun safety in this tropical paradise. Understanding UV levels is essential for preventing sunburn and maintaining overall skin health, especially given the high UV exposure typically experienced here. With measurements reaching a peak of 14 around midday, residents and visitors alike should be aware of the risks posed by the sun's intense rays. The local climate, characterized by its warm and humid conditions, further amplifies these risks, making awareness and protection from UV radiation not just advisable, but necessary for enjoying the outdoors safely.

Hourly UV Index in Port Blair

The UV Index data for the day reveals a dramatic rise in solar intensity as the sun climbs higher in the sky. Beginning at 07:00 with a moderate 4, the index soars to a peak of 14 by 11:00, marking the sun’s zenith and requiring extra caution for outdoor activities. As the afternoon arrives, the intensity begins to wane, dipping to 9 by 13:00 and gradually declining to a gentle 1 by 16:00. By the evening, from 18:00 onward, the UV Index falls to 0, signifying safe conditions for all. Stay protected and adjust your plans accordingly to enjoy the sunshine wisely!

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
Time	UVI	Category	Time to Burn
07:00	4	moderate	30 min
08:00	7	high	25 min
09:00	11	extreme	10 min
10:00	13	extreme	10 min
11:00	14	extreme	10 min
12:00	13	extreme	10 min
13:00	9	very high	15 min
14:00	6	high	25 min
15:00	3	moderate	30 min
16:00	1	low	45 min
17:00	1	low	45 min
18:00	0	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Port Blair

Throughout the year, the UV Index remains consistently high, particularly from January to October, where it frequently reaches extreme levels of 11 to 15. This period indicates a high risk of harm from unprotected sun exposure, with a rapid burn time of just 10 minutes for most months. March stands out as the peak month with a UV Index of 15, signaling an urgent need for protective measures. November and December show a slight decline, with UV Index values of 11 and 10, respectively, but still warrant caution as they are categorized as very high and high. To ensure safety, residents and visitors alike should adopt robust sun protection strategies, including wearing sunscreen, protective clothing, and seeking shade, especially during the high-risk months.

Monthly Maximum UV Index for Port Blair, India

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Port Blair. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.

Data source: Statistical UV Index data for Port Blair, based on information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

Compare Port Blair UV Index with Other India Cities

The table above highlights how UV exposure in Port Blair compares to other major locations across India. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Port Blair's solar exposure compared to other cities in India. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Delhi UVI	5	6	9	10	10	10	12	12	9	8	5	5
Mumbai UVI	8	9	10	11	11	12	13	13	11	10	7	7
Ahmedabad UVI	7	8	10	12	11	12	13	13	11	10	7	6
Hyderabad UVI	10	11	12	11	13	13	15	14	13	11	8	8
Bengaluru UVI	11	13	13	14	13	14	14	14	14	12	11	10
Port Blair	11	13	15	14	14	13	14	14	14	13	11	10