UV Index in Horawala Junction, Sri Lanka

Last updated: July 2, 2025

In Horawala Junction, Sri Lanka, understanding the UV Index is crucial for protecting your skin health and preventing sunburn. With its tropical climate, the region experiences significant UV exposure, making it essential to be aware of the daily UV levels. For instance, during peak hours, UV Index values often soar to 13, indicating an extremely high risk of harm from unprotected sun exposure. By knowing when to seek shade or apply sunscreen, locals and visitors can enjoy the beautiful sunny days while safeguarding their skin against potential damage. Stay informed and keep your skin safe!

Hourly UV Index in Horawala Junction

The UV Index data throughout the day reveals a dynamic shift in sunlight intensity. Starting off at 07:00 with a low index of 2, the sun's rays gain strength, peaking at 10:00 with an intense 10. By 11:00 and 12:00, the UV Index reaches its maximum of 13, indicating a high risk for unprotected skin. As the afternoon progresses, the levels begin to decline, dropping to 8 by 14:00 and further to 4 by 15:00. As the sun starts to set, the index falls to 2 at 16:00, then swiftly diminishes to 1 at 17:00, finally returning to 0 by 18:00 and 19:00. This data underscores the importance of sun safety, especially during midday when the risk is greatest.

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	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 Horawala Junction

The UV index experiences significant fluctuations throughout the year, with January to May showcasing some of the highest levels of UV exposure, peaking at 15 in April. Notably, February, March, and August also register a high UV index of 14, making these months particularly high-risk for harmful sun exposure. Residents and visitors should exercise extreme caution during these months, as the burn time is a mere 10 minutes across the board. Even in the summer months of June and July, when the UV index dips slightly to 12 and 13, respectively, protective measures remain essential. To safeguard against skin damage, it is advisable to seek shade, wear sunscreen, and don protective clothing, especially during peak UV hours.

Monthly Maximum UV Index for Horawala Junction, Sri Lanka

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

The table above highlights how UV exposure in Horawala Junction 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.

Horawala Junction'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
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
Horawala Junction	12	14	14	15	14	12	13	14	14	13	11	11