UV Index in Tiruvallur, India

Last updated: July 2, 2025

In Tiruvallur, India, being aware of the UV Index is crucial to protecting your skin and overall health. With a tropical climate that often sees high sun exposure, understanding UV levels can help you prevent sunburn and long-term skin damage. The UV Index here peaks sharply around midday, reaching a maximum of 13 between 11:00 AM and 12:00 PM, representing a very high risk of harm from unprotected sun exposure. By keeping an eye on UV levels, you can take necessary precautions to keep your skin safe and healthy in this sun-rich environment.

Hourly UV Index in Tiruvallur

The UV index throughout the day presents an intriguing journey of exposure, peaking at 13 from 11:00 AM to 12:00 PM—the sun's most intense moment. Starting from a modest 2 at 7:00 AM, the index swiftly escalates, hitting 4 by 8:00 AM and soaring to a substantial 11 at 10:00 AM. Just one hour later, it reaches its zenith, radiating at 13, before gradually descending as the afternoon wanes. By 3:00 PM, it's a more manageable 5, eventually dwindling down to 0 by 7:00 PM, signaling a safe retreat from the sun's rays. This dynamic UV pattern serves as a reminder to stay vigilant under the sun, especially during its peak hours when protective measures are essential.

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	8	very high	15 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 Tiruvallur

Throughout the year, the UV Index experiences significant fluctuations, with high-risk months typically spanning from February to October. March through September sees the most extreme levels, with a consistent UV Index of 12 or 13, indicating an extreme exposure category where burn time is as little as 10 minutes. Conversely, January, November, and December show a very high category, allowing for slightly longer exposure times of 15 minutes before sunburn can occur. Given these figures, it is crucial for visitors and residents to take appropriate precautions during these high-risk months, including the use of sunscreen, protective clothing, and seeking shade during peak sun hours to minimize the risk of skin damage.

Monthly Maximum UV Index for Tiruvallur, India

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

The table above highlights how UV exposure in Tiruvallur 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.

Tiruvallur'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
Tiruvallur	9	11	12	13	12	12	13	13	13	11	10	9
Bengaluru UVI	11	13	13	14	13	14	14	14	14	12	11	10