UV Index in Klau, Indonesia

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents and visitors of Klau, Indonesia, where the sun's intensity can pose significant health risks. With soaring UV levels, particularly during midday, being aware of UV exposure is key to preventing sunburn, reducing the risk of skin cancer, and maintaining overall skin health. Klau's tropical climate brings plenty of sunshine, making it essential to stay informed about daily UV trends. From a low of 1 in the early morning to a peak of 12 around noon, the UV Index serves as a valuable guide to help you enjoy the outdoors safely while protecting your skin from harmful rays.

Hourly UV Index in Klau

As the sun rises, the UV Index begins to climb steadily, reaching a modest 1 at 07:00. By 08:00, it doubles to 2, but the real surge starts at 09:00, where it spikes to 5. The peak arrives at 12:00, hitting an intense 12—a reminder to reap the benefits of sunlight while staying protected. After an afternoon valor of 11 at 13:00, the numbers gradually decrease, settling at 5 by 15:00, and dwindling further to 1 by 17:00. As daylight fades, the UV risk diminishes, concluding with a gentle 0 at 19:00. Be mindful of the sun's power during the day and ensure you enjoy the outdoors 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	2	low	45 min
09:00	5	moderate	30 min
10:00	8	very high	15 min
11:00	11	extreme	10 min
12:00	12	extreme	10 min
13:00	11	extreme	10 min
14:00	9	very high	15 min
15:00	5	moderate	30 min
16:00	3	moderate	30 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Klau

The seasonal UV changes indicate that January through April maintain an extreme UV Index of 15, with consistent burn times of just 10 minutes. As we transition into May and June, the UV levels decrease slightly to 12 and 10, respectively, but remain in the very high to extreme categories. The peak summer months of July and August see a jump back to an extreme rating with a burn time of 10 minutes, while September and October return to an extreme level of 15. November and December continue this trend with UV indices of 14, ensuring that high-risk months span throughout the year, particularly from January to September. Therefore, it is crucial for visitors and residents alike to adopt strict sun protection measures, such as applying sunscreen regularly, wearing protective clothing, and seeking shade to minimize exposure, especially during peak UV hours.

Monthly Maximum UV Index for Klau, Indonesia

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

The table above highlights how UV exposure in Klau 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.

Klau'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
Klau	15	15	15	14	12	10	11	13	15	15	14	14