UV Index in Sonlit, Indonesia

Last updated: June 2, 2025

In Sonlit, Indonesia, being mindful of the UV Index is crucial for safeguarding your skin health and preventing sunburns. The tropical climate here means that UV levels can rise dramatically, particularly during midday hours where they peak at a hazardous 11 around 12 PM. Understanding these fluctuations enables residents and visitors alike to take proactive measures against harmful UV radiation, ensuring safe enjoyment of the vibrant outdoors. With the typical climate in Sonlit classified as tropical, awareness of UV exposure risks is essential for maintaining a healthy lifestyle in this sunny paradise.

Hourly UV Index in Sonlit

Starting off the day, the UV Index begins at a mild 1 at 07:00, ideal for morning strolls. As the sun climbs higher, the intensity picks up, reaching 3 by 08:00 and surging to a notable 6 by 09:00. The peak occurs around 12:00 when the UV Index hits a strong 11, signaling the need for sun protection. After midday, the index gradually declines, falling to 9 by 13:00, then dipping to 6 at 14:00. As the afternoon wanes, levels continue to drop, hitting 3 at 15:00, before dropping back to 1 by 16:00 and finally settling to 0 after 18:00. This pattern highlights the importance of sun safety during the peak hours from 11:00 to 13:00.

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	8	very high	15 min
11:00	10	very high	15 min
12:00	11	extreme	10 min
13:00	9	very high	15 min
14:00	6	high	25 min
15:00	3	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 Sonlit

Throughout the year, UV Index levels remain alarmingly high, with January through April registering an extreme exposure category, peaking at 16 in both February and March. Notably, July, August, and October also exhibit extreme levels of UV radiation. June marks a slight decrease to a very high category of 10, providing a brief respite. Despite this, the high-risk months for UV exposure span from January to April and again from July to October, during which a mere 10 minutes of unprotected sun exposure can lead to burns. It is crucial for both visitors and residents to take preventive measures such as wearing sunscreen, protective clothing, and seeking shade during peak sunlight hours to minimize the risks associated with prolonged sun exposure.

Monthly Maximum UV Index for Sonlit, Indonesia

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

The table above highlights how UV exposure in Sonlit 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.

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