UV Index in Kolhua, Indonesia

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents and visitors in Kolhua, Indonesia, where the tropical climate exposes individuals to varying levels of ultraviolet radiation throughout the day. As the sun rises, so do the risks of sunburn and long-term skin damage, particularly during peak hours when the UV Index reaches a high of 12 around noon. By being aware of the UV levels, you can take the necessary precautions to protect your skin health and enjoy the beautiful weather safely. With Kolhua's climate categorized as Aw, understanding these UV exposure risks is essential for everyone to thrive under the sun while minimizing potential harm.

Hourly UV Index in Kolhua

The UV Index for the day reveals a dynamic pattern, peaking at a staggering 12 around noon. Starting from a low 1 at 07:00, the index escalates steadily, reaching 11 by 11:00 as the sun climbs higher. For those planning outdoor activities, 10:00 to 14:00 is critical, with indices soaring to 9 and then 12—a strong reminder to protect your skin. As the afternoon progresses, the UV Index begins its decline, dropping to 4 by 15:00 and then tapering off to 1 and ultimately 0 after 17:00. To sum up, stay safe and apply sunscreen during those peak hours!

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	6	high	25 min
10:00	9	very high	15 min
11:00	11	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 Kolhua

The UV Index reveals significant seasonal changes in sun exposure, with extreme levels occurring consistently from January through November. The highest risk months are February, March, July, August, and September, all averaging a UV Index of 16 or higher, resulting in a burn time of just 10 minutes. Even in June, while the Index lowers slightly to 10, the exposure remains categorized as very high, allowing for a bit more time before burning at 15 minutes. It is crucial for both residents and visitors to prioritize sun safety throughout the year, particularly between January and November, by wearing protective clothing, applying high-SPF sunscreen regularly, and seeking shade during peak sunlight hours.

Monthly Maximum UV Index for Kolhua, Indonesia

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

The table above highlights how UV exposure in Kolhua 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.

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