UV Index in Semongkat, Indonesia

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors of Semongkat, Indonesia, where the tropical climate can lead to significant sun exposure. With peak UV levels reaching as high as 12 around midday, awareness of these UV ratings is key to preventing sunburn and protecting your skin health. High UV exposure can have lasting effects, making it essential to monitor these levels and take protective measures, especially during the peak hours of 10 AM to 4 PM. Familiarizing yourself with the UV Index not only helps in staying safe but also enhances your outdoor experience in this beautiful region, where the sun shines brightly throughout the year.

Hourly UV Index in Semongkat

The UV Index displays a dramatic increase as the day progresses, starting at a mild 1 at 7:00 AM and rising steadily through the morning. By 10:00 AM, it reaches 7, signaling the need for sun protection. The index peaks at an intense 12 at noon, indicating very high UV exposure, and remains elevated at 11 until 1:00 PM. As the afternoon rolls in, the index gradually declines, dropping to 5 by 3:00 PM and further decreasing to 3 at 4:00 PM. By 6:00 PM, the UV risk diminishes to 0, reminding us that with the setting sun, the threat of UV radiation fades away. It’s a vital reminder to stay sun safe 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	2	low	45 min
09:00	4	moderate	30 min
10:00	7	high	25 min
11:00	10	very high	15 min
12:00	12	extreme	10 min
13:00	11	extreme	10 min
14:00	8	very high	15 min
15:00	5	moderate	30 min
16:00	3	moderate	30 min
17:00	1	low	45 min
18:00	0	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Semongkat

The UV Index exhibits significant fluctuations throughout the year, with the highest values recorded from January to April (ranging from 15 to 16) and again in September to November, indicating an extreme exposure category with very short burn times of just 10 minutes. June presents a slight decline to a very high category of 10, followed by a rise to 12 in July and 13 in August, emphasizing the importance of protective measures during these months as well. Visitors and residents should be particularly vigilant during the high-risk months of January through April and from September to December, ensuring they apply sunscreen, wear protective clothing, and seek shade when necessary to prevent skin damage.

Monthly Maximum UV Index for Semongkat, Indonesia

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

The table above highlights how UV exposure in Semongkat 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.

Semongkat'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
Semongkat	15	16	16	15	13	10	12	13	15	15	15	15