UV Index in Karaikkudi, India

Last updated: July 2, 2025

In Karaikkudi, India, raising awareness about the UV Index is crucial for safeguarding skin health and preventing sunburn. The UV Index serves as a vital tool to help residents understand daily sun exposure risks, particularly in this tropical climate known for its intense sunlight. During peak hours, from 10 AM to 2 PM, the UV index can soar to a staggering level of 13, which poses significant dangers to unprotected skin. By staying informed about UV levels, you can take proactive steps to protect yourself and your family from harmful UV radiation, ensuring a healthier and more enjoyable outdoor experience in this vibrant city.

Hourly UV Index in Karaikkudi

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 Karaikkudi

Throughout the year, UV Index values reveal a notably extreme risk of sun exposure, especially from January to April, when the index peaks at 15 in April. The high-risk months to be particularly cautious about are March to August, with the UV Index frequently reaching 14 or higher. Notably, April marks the highest risk, demanding extra precautions. Residents and visitors are advised to minimize sun exposure during peak hours and use protective measures such as sunscreen, hats, and sunglasses to shield against harmful UV rays. Even in October and November, when the index decreases slightly, it's still essential to remain vigilant due to the very high exposure potential.

Monthly Maximum UV Index for Karaikkudi, India

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

The table above highlights how UV exposure in Karaikkudi 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.

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