UV Index in Koronganayam, Indonesia

Last updated: July 2, 2025

In Koronganayam, Indonesia, being aware of the UV Index is crucial for maintaining skin health and preventing sunburn. With a tropical climate characterized by high temperatures and intense sunlight, understanding the daily UV levels can help you take necessary precautions to protect your skin. During peak hours, especially between 10:00 am and 1:00 pm, the UV Index can soar to a maximum of 11, indicating an extreme risk of harm from unprotected sun exposure. Therefore, knowing when to seek shade, wear protective clothing, or apply sunscreen is essential for enjoying the Indonesian sun safely.

Hourly UV Index in Koronganayam

The UV Index throughout the day presents a clear narrative of the sun's intensity. Starting at a gentle 1 at 07:00, the day quickly warms up, reaching 4 by 08:00. As the clock strikes 09:00, it escalates to 7, and by 10:00, it peaks at an intense 10. The intensity continues to surge, hitting a maximum of 11 from 11:00 to 12:00—a reminder to apply that sunscreen! Gradually, the index begins to decline, dropping to 9 at 13:00, and then diminishing to 6 by 14:00. From there, the UV levels swiftly taper off, resting at 3 by 15:00, and further declining to 1 by 16:00 and through 17:00. Finally, as the sun sets, the index cools off to 0 by 18:00, offering a soothing end to the day under the diminishing rays of light.

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	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 Koronganayam

Throughout the year, the UV Index remains notably high, consistently classified as extreme across all months. The highest values occur in February (16), closely followed by March (15) and then January, April, September, and October (all at 14). Residents and visitors should be particularly cautious during these months, as the burn time is a mere 10 minutes for all months, emphasizing the urgent need for effective sun protection. To mitigate risks, individuals are strongly advised to wear sunscreen with high SPF, don protective clothing, and seek shade, especially during peak sunlight hours. Proper precautions are essential to ensure safety from harmful UV radiation throughout the entire year.

Monthly Maximum UV Index for Koronganayam, Indonesia

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

The table above highlights how UV exposure in Koronganayam 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.

Koronganayam'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
Koronganayam	14	16	15	14	13	11	11	13	14	14	14	14
Bandung UVI	15	16	16	15	12	11	11	12	14	15	15	14