UV Index in Kotabumi, Indonesia

Last updated: June 2, 2025

In Kotabumi, Indonesia, being aware of the UV Index is crucial for safeguarding your skin against harmful ultraviolet rays. With the region's typical tropical climate offering abundant sunshine, understanding daily UV levels helps prevent sunburn and long-term skin damage. During peak hours, particularly from 10 AM to 2 PM, UV levels can reach as high as 11, indicating a very high risk for unprotected skin. By staying informed about these fluctuations, you can take proactive measures to enjoy the outdoors safely and maintain your skin's health.

Hourly UV Index in Kotabumi

The UV Index rises sharply throughout the morning, starting from a modest 1 at 07:00 and making a steady climb to reach its peak of 11 at both 11:00 and 12:00. During this prime time, sun protection is essential to safeguard against harmful rays. As the afternoon progresses, the index begins to decline, dropping to 10 at 13:00 and then tapering off to 4 by 15:00. By late afternoon, the UV Index diminishes significantly, falling to 1 by 17:00 and ultimately reaching 0 at 18:00 and 19:00. This trend emphasizes the importance of planning outdoor activities for early morning or late afternoon 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	3	moderate	30 min
09:00	5	moderate	30 min
10:00	8	very high	15 min
11:00	11	extreme	10 min
12:00	11	extreme	10 min
13:00	10	very high	15 min
14:00	7	high	25 min
15:00	4	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 Kotabumi

Throughout the year, UV Index levels remain consistently high, ranging from 14 to 16 during the winter and spring months, making January through April particularly high-risk periods for sun exposure. Notably, the UV Index is marked as extreme across all months, indicating a burn time of just 10 minutes. While levels dip slightly in June (11) and July (12), they rise again in August (13) and remain elevated through September (14), October (15), and November (15). As such, it is advised that both visitors and residents take precautionary measures against UV exposure year-round, particularly from January through April. Using broad-spectrum sunscreen, wearing protective clothing, and seeking shade can help mitigate the risk of skin damage during these high-risk months.

Monthly Maximum UV Index for Kotabumi, Indonesia

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

The table above highlights how UV exposure in Kotabumi 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.

Kotabumi'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
Kotabumi	15	16	16	15	13	11	12	13	14	15	15	14