UV Index in Hosur, India

Last updated: June 2, 2025

Awareness of the UV Index is crucial for residents of Hosur, India, as it provides vital information on the intensity of ultraviolet radiation from the sun, helping to prevent sunburn and protect skin health. In this region characterized by an Aw climate, the UV exposure can vary significantly throughout the day, with peak levels reaching an alarming 14 around noon. Understanding the UV index is essential for making informed decisions about outdoor activities and ensuring adequate sun protection, especially during those high-risk periods to safeguard against the harmful effects of intense sun exposure.

Hourly UV Index in Hosur

The UV Index today presents a dynamic journey through the hours, starting mild at 07:00 with a score of 2. By 08:00, it climbs to 4, and then exponentially peaks at 14 during the noon hour of 12:00. The sun's intensity is a force to reckon with, reaching its zenith at 11:00 with a maximum of 13. However, as the afternoon progresses, the index begins to decline; by 14:00, it drops to 9, and by 16:00, it further sinks to 3. The evening transitions into a safer zone, with values returning to 1 by 17:00 and 18:00, finally resting at 0 by 19:00. This data highlights the importance of sun protection, particularly during those peak 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	11	extreme	10 min
11:00	13	extreme	10 min
12:00	14	extreme	10 min
13:00	12	extreme	10 min
14:00	9	very high	15 min
15:00	5	moderate	30 min
16:00	3	moderate	30 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Hosur

Throughout the year, UV levels show significant seasonal changes, remaining in the extreme exposure category from January to October, with peak values in April, June, July, August, and September where the UV Index reaches 14. The high-risk months for UV exposure are from April to September, when individuals can burn within just 10 minutes of direct sun exposure. Visitors and residents are strongly advised to take necessary precautions during these months, including wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade whenever possible. In contrast, November and December experience slightly lower UV levels, with indexes of 11 and 10, respectively, suggesting a reduced but still significant risk with a longer burn time of 15 minutes in December. Overall, vigilance is essential year-round to protect against harmful UV radiation.

Monthly Maximum UV Index for Hosur, India

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

The table above highlights how UV exposure in Hosur 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.

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