UV Index in Kollam, India

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors in Kollam, India, where the tropical climate brings high sun exposure throughout the year. With UV levels often peaking at a risk level of 13 during midday hours, awareness of these numbers can help prevent sunburn and safeguard skin health. Knowledge of the UV Index not only empowers you to protect your skin but also encourages safer outdoor activities under the vibrant sun. In a location known for its beautiful beaches and lush landscapes, being mindful of UV risks can transform your experience in this stunning coastal city.

Hourly UV Index in Kollam

The UV Index throughout the day displays a dramatic rise, peaking at 13 at 12:00 PM. Starting from a modest 1 at 7:00 AM, it climbs steadily, hitting 3 by 8:00 AM and reaching a significant 7 by 9:00 AM. The intensity continues to escalate, peaking at a striking 12 by 11:00 AM, just before it reaches its maximum of 13 at noon. After this high point, the index gradually declines, dropping to 11 at 1:00 PM, and further decreasing to 8 by 2:00 PM. By the afternoon, the UV Index diminishes, ending the day with a low 0 at 7:00 PM, underscoring the importance of sun safety during 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	1	low	45 min
08:00	3	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	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Kollam

Throughout the year, UV index levels remain notably high, particularly between January and September, where the index peaks at an extreme 14 in April, August, and September. Visitors and residents are urged to take precautions during these high-risk months of February through September, as the burn time is just 10 minutes under these conditions. Even as the year progresses into November and December, while the UV index decreases to 10, it still falls under the very high exposure category, with a burn time of 15 minutes. To protect against skin damage, it is essential to use sunscreen, wear protective clothing, and seek shade during peak sunlight hours, especially from mid-morning to mid-afternoon.

Monthly Maximum UV Index for Kollam, India

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

The table above highlights how UV exposure in Kollam 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.

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