UV Index in Lontar, Indonesia

Last updated: June 2, 2025

In Lontar, Indonesia, understanding the UV Index is crucial for maintaining skin health and preventing sunburns. With its tropical climate and strong sunlight, awareness of UV levels can make all the difference in protecting yourself from potential skin damage. From dawn to dusk, Lontar showcases a notable UV spectrum, peaking at 12 around noon, underscoring the importance of sun safety measures. By monitoring and understanding these UV exposure risks, you can enjoy the beauty of Lontar while safeguarding your skin's well-being.

Hourly UV Index in Lontar

The UV Index for the day reveals a dynamic pattern of solar intensity as the hours progress. Starting at a mellow 1 at 07:00, the index gradually climbs, leaping to 4 by 09:00. The sun's power peaks spectacularly at 12:00 with a 12, signaling a need for sun protection. While the intensity slightly tapers off after reaching 10 at 11:00, it remains high at 11 during 13:00 before dropping to 8 by 14:00. The late afternoon brings a gentle decline, with readings of 5 at 15:00 and 3 by 16:00. As evening approaches, the index settles back to 1 at 17:00 and finally drops to 0 by 19:00, marking a clear contrast to the midday sun. Always stay vigilant and protect your skin 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	2	low	45 min
09:00	4	moderate	30 min
10:00	8	very high	15 min
11:00	10	very high	15 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 Lontar

Throughout the year, the UV Index remains consistently high, peaking at 16 from January to March, indicating an extreme exposure category with a rapid burn time of just 10 minutes. April sees a slight decrease to 15, but the risk remains significant through May and June, where values drop to 14 and 12, respectively. The trend continues into the summer months of July and August, maintaining the extreme category but with a slight dip in index values. As the year progresses into September, October, and November, the UV Index fluctuates between 14 and 15, while December concludes the year at 13. Given the consistently high UV levels, it is crucial for both visitors and residents to take protective measures, such as wearing sunscreen, protective clothing, and seeking shade, especially during the highest-risk months of January through March.

Monthly Maximum UV Index for Lontar, Indonesia

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

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

Lontar's solar exposure compared to other cities in Indonesia. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Surabaya UVI	13	15	14	12	12	10	11	12	14	13	13	13
Bekasi UVI	14	16	16	14	11	10	10	11	13	15	14	13
Jakarta UVI	14	16	16	14	11	10	10	11	13	15	14	13
Medan UVI	13	15	15	15	14	12	12	13	14	14	13	12
Bandung UVI	15	16	16	15	12	11	11	12	14	15	15	14
Lontar	15	16	16	15	14	12	12	13	14	15	14	13