UV Index in Ullong, Indonesia

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors in Ullong, Indonesia, where the tropical climate often brings intense sunlight. The UV levels can soar to 13 during midday, posing significant risks for sunburn and long-term skin damage if proper precautions aren't taken. With Ullong's climate characterized by high temperatures and direct sun exposure, staying informed about the UV Index can empower you to protect your skin and enjoy the beautiful outdoors safely. By grasping the daily UV levels, you can make informed decisions to minimize risks and maximize your fun in the sun.

Hourly UV Index in Ullong

The UV Index (UVI) begins its ascent at 07:00, reaching a modest 1, but as the sun climbs higher, so does the intensity. By 09:00, it hits 6, pushing outdoor enthusiasts to take notice. The peak occurs at 12:00, where the UVI soars to a scorching 13, indicating the need for sun protection. This high level remains at 12 until 13:00, before gradually tapering off to 9 by 14:00. As the afternoon progresses, the UVI then dips to 5 at 15:00, and continues to decline, hitting 2 at 16:00. Finally, the day winds down with the UVI falling to 1 by 17:00, and then sinking to 0 after 18:00, offering a reprieve from the sun's harsh rays for the evening.

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	3	moderate	30 min
09:00	6	high	25 min
10:00	9	very high	15 min
11:00	12	extreme	10 min
12:00	13	extreme	10 min
13:00	12	extreme	10 min
14:00	9	very high	15 min
15:00	5	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 Ullong

The UV Index shows significant seasonal variability, with the highest readings occurring from January to April, when the index peaks at 18, classified as extreme exposure. These months represent the highest risk for sunburn, with a burn time of just 10 minutes for unprotected skin. As temperatures begin to rise in May and June, the UV Index slightly decreases to 15 and 13, respectively, yet remains in the extreme category with the same burn time. Risk levels persist through the summer and into the fall, with September and October displaying an index of 16. Visitors and residents should take precautionary measures such as applying sunscreen, wearing protective clothing, and seeking shade during peak sun hours, particularly during these high-risk months to minimize their exposure and protect their skin.

Monthly Maximum UV Index for Ullong, Indonesia

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

The table above highlights how UV exposure in Ullong 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.

Ullong'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
Ullong	16	18	18	18	15	13	13	15	16	16	15	15