UV Index in Bayan, Indonesia

Last updated: June 2, 2025

In Bayan, Indonesia, being aware of the UV Index is crucial for protecting your skin from harmful ultraviolet rays. With a tropical climate characterized by high daytime temperatures, understanding UV levels can help prevent sunburn and reduce long-term skin health risks. The UV Index in Bayan peaks at an alarming 11 around noon, making it essential for residents and visitors alike to seek shade and wear protective clothing during these peak hours. By staying informed about UV exposure risks, you can enjoy the stunning beauty of Bayan safely and responsibly.

Hourly UV Index in Bayan

The UV Index today reveals a dynamic pattern of sun exposure throughout the day. Starting at a gentle 1 at 07:00, it quickly ramps up as the sun rises higher, reaching a significant 4 by 09:00. The UV intensity peaks at a striking 11 around 12:00, signaling a critical risk for unprotected skin. As the afternoon progresses, the index gradually declines, settling at 2 by 16:00. By the evening, the risk diminishes to 0 by 18:00, making it a perfect time for an evening stroll. Stay protected during the peak hours! Remember to apply sunscreen and wear protective clothing to enjoy the sun safely.

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	7	high	25 min
11:00	9	very high	15 min
12:00	11	extreme	10 min
13:00	10	very high	15 min
14:00	8	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 Bayan

Throughout the year, the UV Index remains alarmingly high, consistently categorized as extreme from January to December. January through April exhibit some of the most intense UV levels, peaking at 16 in both February and March, which indicates a burn time of only 10 minutes. Even during May to August, with slightly lower indices ranging from 11 to 13, the risk remains significant due to the persistent exposure category. As the year progresses into September and October, the UV Index returns to 15, signaling continued high risk, before tapering off in November and December at the same level. Given this data, it is crucial for visitors and residents to prioritize sun safety. Always wear sunscreen, protective clothing, and limit sun exposure, especially during the high-risk months of winter and spring when the UV levels are at their peak. Staying vigilant is essential to reduce the risk of skin damage throughout the year.

Monthly Maximum UV Index for Bayan, Indonesia

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

The table above highlights how UV exposure in Bayan 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.

Bayan'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
Bayan	15	16	16	15	13	11	12	13	15	15	15	15