UV Index in Weru, Indonesia

Last updated: May 3, 2025

Understanding the UV Index is crucial for the residents of Weru, Indonesia, especially given the region's tropical climate, where sun exposure can lead to significant risks. High UV levels can instigate skin damage, sunburn, and long-term health issues, making it essential to stay informed. Typically, the UV Index peaks around midday, reaching an alarming 12 at noon, which signals a very high risk of harm from unprotected sun exposure. By being aware of these levels, you can take proactive steps to safeguard your skin and enjoy the beautiful sun-soaked days that Weru has to offer!

Hourly UV Index in Weru

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 Weru

The UV Index experiences notable fluctuations throughout the year, with the highest values recorded from January to April and during July to October, classified as extreme. February and March hold the peak UV Index at 16, indicating a burn time of just 10 minutes. The months of May and June transition to a slightly lower UV Index, categorized as very high, with a burn time extending to 15 minutes in June before returning to the extreme category from July onward. Thus, high-risk months for UV exposure are February, March, and the period from July to October. Given the severe potential for sunburn during these times, it is essential for both visitors and residents to follow sun safety practices, including wearing sunscreen, protective clothing, and seeking shade to mitigate risks, particularly during peak sun hours.

Monthly Maximum UV Index for Weru, Indonesia

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

The table above highlights how UV exposure in Weru 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.

Weru'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
Weru	14	16	16	14	12	10	11	12	14	15	14	14
Bandung UVI	15	16	16	15	12	11	11	12	14	15	15	14