UV Index in Thrissur, India

Last updated: June 2, 2025

Understanding the UV Index is crucial for the residents of Thrissur, India, where the climate tends to be hot and humid. As the UV levels can soar to a peak of 12 during midday, it's essential to stay informed about daily fluctuations in UV exposure. By tracking these levels, you can effectively prevent sunburn and protect your skin health, especially during the intense hours between 10 AM and 2 PM. With Thrissur's typical climate conditions, being aware of the UV Index not only aids in enjoying outdoor activities safely but also ensures long-term skin protection against harmful UV rays.

Hourly UV Index in Thrissur

The UV Index peaks dramatically throughout the day, starting at a mild 1 at 07:00 and surging to a maximum of 12 by both 11:00 and 12:00. This indicates a significant risk of harm from unprotected sun exposure during these hours. As the afternoon progresses, the index begins to decline, decreasing to 8 at 14:00 and further dropping to 5 by 15:00. The evening brings a sense of relief, as the UV Index falls to 1 by 17:00, finally resting at 0 by 19:00. This data highlights the critical need for sun protection during the midday hours when UV radiation is at its most intense.

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	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	12	extreme	10 min
13:00	11	extreme	10 min
14:00	8	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 Thrissur

Throughout the year, UV Index levels exhibit significant variability, with extreme exposure categories dominating the first nine months. The highest UV Index values occur from March to September, peaking at 14 in April and September. These high-risk months for sun exposure, particularly April, May, and September, warrant caution as the burn time is consistently just 10 minutes. Visitors and residents are advised to take proactive measures during these months, including seeking shade, wearing protective clothing, and applying broad-spectrum sunscreen frequently. In November and December, the UV Index decreases to 10 and 9 respectively, categorized as very high, extending the burn time to 15 minutes, yet caution is still advisable.

Monthly Maximum UV Index for Thrissur, India

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

The table above highlights how UV exposure in Thrissur 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.

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