UV Index in Keelakarai, India

Last updated: May 3, 2025

In Keelakarai, India, being aware of the UV Index is crucial for maintaining skin health and preventing sunburn, especially given the region's tropical climate. With UV levels soaring to a peak of 13 around midday, it’s vital to understand these fluctuations throughout the day to take necessary precautions. By monitoring the UV Index, residents and visitors can enjoy the sun safely, reducing the risks associated with prolonged sun exposure. Understanding these levels not only protects your skin but also boosts overall well-being, making it essential to stay informed about the UV risks that accompany the warm climate of Keelakarai.

Hourly UV Index in Keelakarai

The UV Index fluctuated dramatically throughout the day, showcasing the sun's intensity. Starting mild at 07:00 with a rating of 2, it quickly ascended, peaking at a blistering 13 around 11:00 and 12:00. This midday surge emphasized the importance of sun protection. As the sun began to descend, the UV levels dropped sharply, tapering off to a 5 by 15:00, and dwindling further to 0 by 19:00. This pattern highlights the critical window for UV exposure from 09:00 to 14:00, where caution and protection are paramount to safeguard against harmful rays.

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	2	low	45 min
08:00	4	moderate	30 min
09:00	7	high	25 min
10:00	11	extreme	10 min
11:00	13	extreme	10 min
12:00	13	extreme	10 min
13:00	11	extreme	10 min
14:00	8	very high	15 min
15:00	5	moderate	30 min
16:00	2	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 Keelakarai

Throughout the year, the UV Index remains exceptionally high, with extreme levels (UV Index 11-14) dominating from January to September. The months of March and September peak at a UV Index of 14, making them the highest risk periods for sun exposure. February and August are also notably high with an index of 13. Residents and visitors are advised to take stringent sun protection measures during these high-risk months—especially between January and September—such as wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak hours. As we transition into October and November, the risk slightly decreases, but remaining vigilant is still essential, particularly in December when the UV Index drops to 10, classified as very high. Overall, prioritizing sun safety year-round is crucial to mitigate the risks associated with extreme UV exposure.

Monthly Maximum UV Index for Keelakarai, India

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Keelakarai. 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 Keelakarai, 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 Keelakarai UV Index with Other India Cities

The table above highlights how UV exposure in Keelakarai 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.

Keelakarai'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
Keelakarai	11	13	14	14	13	12	12	13	14	12	11	10
Bengaluru UVI	11	13	13	14	13	14	14	14	14	12	11	10