UV Index in Vavuniya, Sri Lanka

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents of Vavuniya, Sri Lanka, as it directly impacts our sun safety and overall skin health. With Sri Lanka's tropical climate, UV levels can soar, especially during the midday hours, leading to increased risks of sunburn and long-term skin damage. By being aware of the UV Index, Vavuniya locals can take proactive steps to protect themselves from harmful radiation, making informed decisions about outdoor activities. For instance, between 10:00 AM and 12:00 PM, the UV Index can peak at 12, signaling extreme risk and the need for effective sun protection. Stay informed and safeguard your skin under the vibrant sun of Vavuniya!

Hourly UV Index in Vavuniya

The UV Index throughout the day reveals a striking pattern of solar intensity. Early risers at 07:00 experience a mild level of 2, but as the sun climbs higher, the intensity surges. By 10:00, it reaches a peak of 10, and the midday hours from 11:00 to 12:00 are even more intense, with a UV Index of 12—the point at which protective measures become essential. As the afternoon progresses, the index begins to decline, dropping to 7 at 14:00 before easing to 4 by 15:00. The evening brings relief, with the index plummeting to 1 by 17:00 and eventually fading to 0 after 18:00. To make the most of the sun, enjoy the morning hours, but be cautious during peak times and keep that sunscreen handy!

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	12	extreme	10 min
13:00	10	very high	15 min
14:00	7	high	25 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