UV Index in Semilat, Indonesia

Last updated: July 2, 2025

Understanding the UV Index in Semilat, Indonesia, is crucial for protecting your skin and overall health against harmful ultraviolet radiation. With consistently high UV levels, particularly peaking at 12 during midday, being informed about sun exposure is essential for preventing sunburn and long-term skin damage. Semilat's tropical climate brings about intense sunlight, especially between the hours of 10 AM and 2 PM, making it vital to stay vigilant and take the necessary precautions. By understanding the UV Index, residents can make informed choices about sun safety, ensuring their outdoor activities remain enjoyable and safe.

Hourly UV Index in Semilat

The UV Index throughout the day presents an intriguing pattern of sun exposure. Starting off gently at 2 at 07:00, the intensity quickly ramps up, peaking at a striking 12 between 11:00 and 12:00—a perfect time for sun protection and precautions. As the afternoon progresses, the index dips back down, hitting 7 at 14:00 and tapering off to 4 by 15:00. The sun's intensity then dramatically decreases, falling to 1 by 16:00 and disappearing altogether by 18:00 with a UV Index of 0. For outdoor enthusiasts, the morning to early afternoon is when sun safety is crucial! Remember, even on lower index hours, it's wise to stay vigilant about UV exposure.

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	2	low	45 min
08:00	4	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 Semilat

Throughout the year, the UV Index remains alarmingly high, indicating an extreme exposure category, especially from January to May and again in September to November. Visitors and residents should exercise caution as the burn time is consistently only 10 minutes across all months. The high-risk months are particularly evident from February to April, when the UV Index peaks at 16, posing the greatest threat for skin damage. To protect yourself, it is crucial to wear sunscreen, protective clothing, and seek shade during peak hours. Stay informed of daily UV Index readings and adjust outdoor activities accordingly to reduce the risk of overexposure.

Monthly Maximum UV Index for Semilat, Indonesia

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

The table above highlights how UV exposure in Semilat 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.

Semilat'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
Semilat	14	16	16	15	14	12	12	14	15	15	14	14