UV Index in Nattarasankottai, India

Last updated: July 2, 2025

In Nattarasankottai, India, understanding the UV Index is crucial for safeguarding your skin against harmful sun exposure. With peak UV levels reaching as high as 13 around midday, awareness can help prevent sunburn and long-term skin health issues. The region’s Aw climate brings ample sunlight, increasing the risk of UV radiation throughout the day. By monitoring the UV Index, you can make informed choices about sun protection, ensuring you enjoy the beautiful outdoors safely.

Hourly UV Index in Nattarasankottai

As the day unfolds, the UV Index rises dramatically, reaching its peak at 12:00 PM with an impressive 13. Early morning hours start off gently, with a maximum of 2 at 7:00 AM, gradually climbing to 4 by 8:00 AM. The sun's intensity truly kicks in at 10:00 AM, hitting a notable 10 before skyrocketing to 12 by 11:00 AM. A slight decline begins after noon, with the index dropping to 11 at 1:00 PM, then tapering off to 8 by 2:00 PM. As the afternoon progresses, we see a further decrease, plummeting to 5 at 3:00 PM and drifting downwards to 1 by 5:00 PM, before the sunshine's effects completely fade away by 6:00 PM, when the UV Index reaches 0. It’s a reminder to stay sun-safe during those prime hours!

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	10	very high	15 min
11:00	12	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 Nattarasankottai

The UV Index exhibits substantial seasonal changes, remaining in the extreme exposure category for most of the year. From January to April, the UV Index peaks at 15 in April, indicating that these are high-risk months for sunburn, with a quick burn time of just 10 minutes. The intensity slightly diminishes from May to October, where the index ranges from 12 to 14, but the risk remains extreme, particularly in August and September. As temperatures cool, the UV Index drops to 11 in November and 10 in December, suggesting a very high exposure category with longer burn times of 15 minutes. Visitors and residents should take precautions year-round, including wearing protective clothing, applying sunscreen, and seeking shade, especially during these high-risk months.

Monthly Maximum UV Index for Nattarasankottai, India

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

The table above highlights how UV exposure in Nattarasankottai 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.

Nattarasankottai'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
Nattarasankottai	11	13	14	15	13	12	13	14	14	12	11	10
Bengaluru UVI	11	13	13	14	13	14	14	14	14	12	11	10