UV Index in Bulumulyo, Indonesia

Last updated: June 2, 2025

In Bulumulyo, Indonesia, awareness of the UV Index is crucial for safeguarding your skin from harmful ultraviolet rays. Understanding UV levels can significantly contribute to sunburn prevention and overall skin health, particularly during peak hours when exposure is highest. With a tropical climate characterized by high UV radiation, residents and visitors alike should be mindful of the daily fluctuations in UV intensity—from a manageable 1 in the early morning to a peak of 10 around noon. Planning outdoor activities with this knowledge can help you enjoy the beautiful Indonesian sun while minimizing the risks associated with overexposure.

Hourly UV Index in Bulumulyo

As the sun rises, the UV Index begins to climb, starting at a gentle 1 at 07:00. By 08:00, it escalates to a moderate 3, but the real intensity hits by 10:00, peaking at a striking 10 from 11:00 to 12:00—a clear signal for sun safety awareness. As the afternoon progresses, the index gradually declines, dipping to 8 at 13:00 and then swiftly dropping to 5 by 14:00. The evening brings relief, with levels decreasing to 3 at 15:00, and falling to 1 by 16:00. As the day fades away, the UV risk diminishes further, reaching 0 by 19:00. Remember to protect your skin 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	3	moderate	30 min
09:00	6	high	25 min
10:00	9	very high	15 min
11:00	10	very high	15 min
12:00	10	very high	15 min
13:00	8	very high	15 min
14:00	5	moderate	30 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 Bulumulyo

The UV index exhibits extremely high levels throughout most of the year, with particularly hazardous months being January through April and July through November, where the index consistently remains between 12 and 16. Notably, February peaks at a UV Index of 16, indicating a critical risk for skin damage with a burn time of only 10 minutes. Even in June, while the UV exposure is categorized as very high at 10, the burn time extends to 15 minutes. Visitors and residents are strongly advised to take precautions during these months, including wearing protective clothing, applying broad-spectrum sunscreen with high SPF, and seeking shade during peak sunlight hours to minimize the risk of UV exposure and skin damage.

Monthly Maximum UV Index for Bulumulyo, Indonesia

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

The table above highlights how UV exposure in Bulumulyo 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.

Bulumulyo'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
Bulumulyo	14	16	15	13	12	10	11	12	14	14	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