UV Index in Vavuniya, Sri Lanka

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents and visitors in Vavuniya, Sri Lanka, where the tropical climate brings intense sun exposure year-round. Knowing the daily UV levels helps in preventing sunburn and enhancing skin health, allowing individuals to enjoy outdoor activities while protecting themselves from harmful solar radiation. With peak UV levels often reaching a high of 13 between 11:00 AM and 12:00 PM, it's essential to remain vigilant about sun safety practices, especially in this sun-drenched area where UV risks are prominent. Stay informed and take proactive measures to safeguard your skin against Vavuniya's radiant sunlight.

Hourly UV Index in Vavuniya

As the sun rises, the UV Index begins to climb, starting from a gentle 2 at 07:00. By 08:00, it ramps up to 5, signaling the need for some sun protection. The real intensity hits at 10:00, reaching a peak of 11, and by 11:00 and 12:00, it soars to 13—the core of the day where precautions are essential. As afternoon approaches, UV intensity starts to wane: it drops to 8 at 14:00 and further decreases to 4 by 15:00. The evening brings relief as the index falls to 2 at 16:00 and finally dwindles to 0 by 19:00. It's a clear reminder to stay vigilant during the peak hours to enjoy the sun safely!

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	5	moderate	30 min
09:00	8	very high	15 min
10:00	11	extreme	10 min
11:00	13	extreme	10 min
12:00	13	extreme	10 min
13:00	11	extreme	10 min
14:00	8	very high	15 min
15:00	4	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 Vavuniya

The UV Index shows significant seasonal fluctuations, with extreme levels persisting from January through October, peaking in April at 15. High-risk months include March through September, where UV exposure remains critical, requiring attention to skin protection. Notably, even in November, the UV Index remains high at 11, indicating continued risk. It is essential for visitors and residents alike to take precautions, including wearing sunscreen, protective clothing, and seeking shade, especially during peak hours. Remember, a burn time of just 10 minutes in these extreme conditions emphasizes the importance of vigilance to avoid skin damage.

Monthly Maximum UV Index for Vavuniya, Sri Lanka

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

The table above highlights how UV exposure in Vavuniya compares to other major locations across Sri Lanka. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Vavuniya's solar exposure compared to other cities in Sri Lanka. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Jaffna UVI	11	13	14	15	13	12	13	13	14	12	11	10
Vavuniya	12	13	14	15	13	12	12	13	14	12	11	10
Moratuwa UVI	11	13	14	15	14	12	13	14	14	13	11	10
Maharagama UVI	11	13	14	15	14	12	13	14	14	13	11	10
Dehiwala-Mount Lavinia UVI	12	13	14	15	14	12	13	14	14	13	11	10
Colombo UVI	12	14	14	15	14	13	13	13	14	13	11	10