UV Index in Jepon, Indonesia

Last updated: June 2, 2025

In Jepon, Indonesia, being aware of the UV Index is essential for protecting your skin from harmful ultraviolet radiation. Understanding UV levels is crucial not only for preventing painful sunburns but also for maintaining long-term skin health, especially given the region’s tropical climate. With peak UV readings reaching an alarming 11 around midday, residents and visitors must prioritize sun safety to minimize exposure risks during the day. Knowing when the sun’s rays are most intense empowers everyone to enjoy their time outdoors while safeguarding their skin from the damaging effects of UV radiation.

Hourly UV Index in Jepon

The UV Index rises dramatically throughout the morning, with a maximum peak of 11 recorded at 11:00 AM and 12:00 PM, indicating a high risk of harm from unprotected sun exposure. As the day progresses, the intensity gradually declines, dropping to 9 by 1:00 PM and then to 6 at 2:00 PM. By late afternoon, UV levels continue to fall, reaching 3 at 3:00 PM and tapering off to 1 by 4:00 PM. Finally, after 5:00 PM, the UV Index dips to 0, signaling a complete reduction in sun exposure risk. It’s essential for sun safety enthusiasts to prioritize outdoor activities during the early hours when UV levels are more manageable, while taking care against the intense midday sun.

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	9	very high	15 min
11:00	11	extreme	10 min
12:00	11	extreme	10 min
13:00	9	very high	15 min
14:00	6	high	25 min
15:00	3	moderate	30 min
16:00	1	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 Jepon

The UV Index remains consistently high throughout the year, with extreme exposure levels primarily observed from January to March and peaking in February and September. Visitors and residents should be particularly vigilant in these high-risk months, where the UV Index reaches up to 15, resulting in a rapid burn time of only 10 minutes. Even during the hotter months, such as July and August, the UV Index still remains significantly elevated. It is crucial for everyone to take necessary precautions, such as wearing sunscreen, protective clothing, and seeking shade during peak sunlight hours, to minimize the risk of harmful UV exposure year-round.

Monthly Maximum UV Index for Jepon, Indonesia

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

The table above highlights how UV exposure in Jepon 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.

Jepon'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
Jepon	14	15	15	14	13	11	12	13	15	15	15	14