UV Index in Loa Janan, Indonesia

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in Loa Janan, Indonesia, where the tropical climate brings with it significant sunlight exposure. The UV Index provides a clear indication of the sun's intensity throughout the day, helping you gauge the potential for sunburn and long-term skin health risks. Typically reaching its peak at noon with an index of 12, awareness of these levels is essential for effective sun protection. Given Loa Janan's warm climate and elevated UV exposure during the midday hours, making informed choices about sun safety can shield you from harmful effects, ensuring safe and enjoyable outdoor activities.

Hourly UV Index in Loa Janan

The UV Index starts off low at 1 around 07:00, gradually rising to a moderate 2 by 08:00. As the sun reaches its peak, the index sharply escalates, hitting 8 at 10:00 and peaking at a striking 12 between 12:00 and 13:00. This intense solar exposure signals a strong need for protection, especially with the index maintaining an elevated 11 at 11:00 before beginning a gradual decline. By 14:00, it drops to 9, then further down to 6 at 15:00, and continues to fall, reaching 1 by 17:00. As the evening approaches, the UV levels taper off to 0 by 19:00, indicating a complete cessation of harmful UV exposure. Stay savvy and prioritize sun safety during those 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	5	moderate	30 min
10:00	8	very high	15 min
11:00	11	extreme	10 min
12:00	12	extreme	10 min
13:00	12	extreme	10 min
14:00	9	very high	15 min
15:00	6	high	25 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 Loa Janan

Throughout the year, UV Index levels exhibit minimal fluctuation, remaining in the extreme exposure category across all months, with a consistent burn time of just 10 minutes. The highest UV levels are recorded from January to April, with February and March peaking at an index of 16. While May sees a slight decrease to 14, UV levels remain critical through the summer months, dipping to 12 in June and July before rising again in late summer and autumn. Given that every month poses an extreme risk, it is crucial for visitors and residents to adopt sun protection measures year-round, such as wearing sunscreen, protective clothing, and avoiding direct sunlight during peak hours.

Monthly Maximum UV Index for Loa Janan, Indonesia

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

The table above highlights how UV exposure in Loa Janan 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.

Loa Janan'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
Loa Janan	15	16	16	16	14	12	12	14	14	15	14	13