UV Index in Bumiayu, Indonesia

Last updated: July 2, 2025

Understanding the UV Index in Bumiayu, Indonesia is crucial for maintaining skin health and preventing sunburn, especially given the area's typically high exposure to ultraviolet rays. As the climate here falls within the Aw zone, residents and visitors alike must be vigilant about UV levels, which can soar to a maximum of 12 from 11:00 AM to 1:00 PM. Knowing when the UV Index peaks helps in planning outdoor activities to minimize skin damage and enhance overall well-being. By fostering awareness of UV Index levels, you can take proactive steps to protect yourself and your loved ones under the bright Indonesian sun.

Hourly UV Index in Bumiayu

The UV Index throughout the day presents a striking pattern of intensity. Starting from a mild level of 1 at 07:00, the sun steadily gains strength, peaking at an impressive 12 between 11:00 and 12:00. As the morning progresses, 09:00 and 10:00 also see significant values of 7 and 10, respectively. After midday, the intensity begins to wane, dipping to 10 at 13:00 before gradually decreasing to 3 by 15:00. In the late afternoon and evening, the UV Index falls sharply—registering only 1 at 16:00 and tapering down to 0 from 18:00 onwards. This data highlights the importance of sun protection during peak hours, especially when the UV Index reaches its zenith.

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	4	moderate	30 min
09:00	7	high	25 min
10:00	10	very high	15 min
11:00	12	extreme	10 min
12:00	12	extreme	10 min
13:00	10	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 Bumiayu

Throughout the year, the UV Index remains consistently extreme, with values ranging from 11 to 16, indicating a high risk of harm from unprotected sun exposure. The months of January to March represent the peak UV Index levels at 14 to 16, where burn time is critically short at 10 minutes. While other months like April to July show slightly lower indices, they still maintain an extreme exposure category. Notably, September to November also uphold high UV levels between 15 to 16, emphasizing the necessity for vigilance. Visitors and residents are strongly advised to take protective measures against sun exposure year-round, such as wearing sunscreen, wide-brimmed hats, and UV-protective clothing, and seeking shade, particularly during peak sun hours.

Monthly Maximum UV Index for Bumiayu, Indonesia

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

The table above highlights how UV exposure in Bumiayu 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.

Bumiayu'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
Bumiayu	14	15	16	15	12	11	12	14	15	16	15	15