UV Index in Kotai, Indonesia

Last updated: May 3, 2025

In Kotai, Indonesia, being aware of the UV Index is crucial for protecting yourself from harmful sun exposure. Understanding UV levels not only aids in preventing sunburn but also plays a vital role in maintaining long-term skin health. With Kotai's tropical climate, residents and visitors experience significant UV exposure, especially during the peak hours of 10 AM to 2 PM when the index can soar to a maximum of 12. Stay informed and safeguard your skin by keeping an eye on the daily UV Index!

Hourly UV Index in Kotai

As the sun rises, the UV Index begins its ascent, starting at a mild 1 at 07:00. By 08:00, it ramps up to 3, signaling that it’s time to be aware of UV exposure. The day's peak hits between 11:00 and 12:00, soaring to an intense 12—a clear reminder to seek shade and apply sunscreen. After this zenith, the index gradually declines, dipping to 4 by 15:00 and cooling down to a safe 1 by 16:00. As the evening sets in, the UV Index falls to 0, marking the end of a day where vigilance was key, especially during the midday hours. Remember, when it comes to UV rays, it’s always best to be sun-smart!

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	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	7	high	25 min
15:00	4	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 Kotai

Throughout the year, UV Index levels remain alarmingly high, with January through April registering an extreme exposure category, peaking at 16 in both February and March. Notably, July, August, and October also exhibit extreme levels of UV radiation. June marks a slight decrease to a very high category of 10, providing a brief respite. Despite this, the high-risk months for UV exposure span from January to April and again from July to October, during which a mere 10 minutes of unprotected sun exposure can lead to burns. It is crucial for both visitors and residents to take preventive measures such as wearing sunscreen, protective clothing, and seeking shade during peak sunlight hours to minimize the risks associated with prolonged sun exposure.

Monthly Maximum UV Index for Kotai, Indonesia

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

The table above highlights how UV exposure in Kotai 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.

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