UV Index in Isak, Indonesia

Last updated: May 3, 2025

In Isak, Indonesia, being aware of the UV Index is crucial for protecting your skin 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. Isak’s tropical climate brings consistent sunshine, leading to significant UV exposure, particularly around midday when the index peaks at a striking 16. Stay informed and take necessary precautions to enjoy the sun safely while safeguarding your skin!

Hourly UV Index in Isak

As the sun rises, the UV Index begins to climb steadily, starting at a gentle 1 by 07:00. By 09:00, it jumps to 5, indicating the first signs of summer's intensity. The real surge occurs around 10:00, where it peaks at a striking 10, signifying a critical time for sun protection. The intensity reaches its maximum at 12:00, soaring to 16, and remains high at 13 by 14:00. As the afternoon progresses, the UV levels start to dip, settling at 9 by 15:00 before tapering off to 2 by 17:00. Finally, as dusk approaches, the index winds down to 0 by 19:00, marking a significant decline in solar exposure. Remember, during the peak hours of 11:00 to 13:00, it's crucial to take precautions and shield yourself from harmful UV rays!

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	10	very high	15 min
11:00	13	extreme	10 min
12:00	16	extreme	10 min
13:00	16	extreme	10 min
14:00	13	extreme	10 min
15:00	9	very high	15 min
16:00	5	moderate	30 min
17:00	2	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Isak

The UV Index in this region remains consistently high throughout the year, with values categorized as extreme, making sun protection essential for both residents and visitors. The months of February through April show the highest UV indices, peaking at 17, followed closely by March and April. High-risk months for UV exposure are consistently from January to May, where burn times are as short as 10 minutes. It is crucial for everyone to take precautions by wearing sunscreen, protective clothing, and sunglasses, especially during these months. Even in the summer months from June to August, with slightly lower indices, a vigilant approach to sun safety remains advisable, as UV levels can still cause harm in under 10 minutes of direct exposure. Stay protected to enjoy the beautiful outdoors safely!

Monthly Maximum UV Index for Isak, Indonesia

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

The table above highlights how UV exposure in Isak 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.

Isak'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
Isak	15	16	17	17	16	14	13	15	15	15	14	13