UV Index in Kertasari, Indonesia

Last updated: July 2, 2025

In Kertasari, Indonesia, awareness of the UV Index is crucial for protecting your skin from harmful ultraviolet radiation. Understanding UV levels is essential not just for preventing painful sunburns but also for safeguarding long-term skin health. With Kertasari's tropical climate, UV exposure can reach dangerously high levels, especially around midday, when indexes soar to 11. By staying informed about the daily UV Index, residents and visitors can take proactive measures to enjoy the sun safely while minimizing risks associated with excessive UV exposure.

Hourly UV Index in Kertasari

As the sun rises, the UV Index starts off low at 1 at 7:00 AM, slowly increasing to 3 by 8:00 AM. By 9:00 AM, it reaches 5, suggesting that the rays are becoming more intense. The peak arrives at 12:00 PM, where a high of 11 is recorded, indicating a very high risk of harm from unprotected sun exposure. The afternoon still holds lingering rays, with values descending gradually from 9 at 1:00 PM to 4 by 3:00 PM. As the sun begins to set, the index drops sharply to 2 at 4:00 PM, and ultimately to 0 after 6:00 PM. Remember, during the peak hours, especially between 10:00 AM and 2:00 PM, protecting your skin is essential!

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	10	very high	15 min
12:00	11	extreme	10 min
13:00	9	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 Kertasari

The UV Index experiences significant seasonal fluctuations, with the highest readings occurring from January to April and again in October and November. Notably, February and March exhibit the most intense levels, peaking at 16 and presenting an extreme exposure category, indicating a burn time of just 10 minutes. The risk remains high throughout the summer months, particularly in July and August, though it dips slightly in June with a UV Index of 10. As the year progresses, visitors and residents alike should remain vigilant, especially from January to April and October to November, and take appropriate precautions against sun exposure, such as wearing protective clothing and applying sunscreen frequently, to avoid skin damage.

Monthly Maximum UV Index for Kertasari, Indonesia

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

The table above highlights how UV exposure in Kertasari 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.

Kertasari'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
Kertasari	14	15	16	14	11	10	11	12	14	15	14	14
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