UV Index in Simu, Indonesia

Last updated: July 2, 2025

In Simu, Indonesia, being aware of the UV Index is essential for safeguarding your skin’s health. With the island’s tropical climate, the sun can have a significant impact on your well-being, especially during peak hours when UV levels soar to 12—indicating an extreme risk for sunburn. Understanding these UV levels helps you take proactive steps in sunburn prevention and protecting your skin from long-term damage. As you enjoy the beautiful weather in Simu, keeping an eye on the UV Index will allow you to strike the perfect balance between soaking up the sun and staying safe.

Hourly UV Index in Simu

The UV Index throughout the day presented a dynamic shift, beginning at a low 1 by 7:00 AM, gradually escalating to its peak of 12 at noon. The intensity reached 10 at 11:00 AM, warning sun-seekers to take precautions as midday approached. As the afternoon progressed, values began to decline, with the index tapering off to 5 by 3:00 PM and further dropping to 1 by 5:00 PM. Finally, as the sun set, the index fell to a safe 0 by 7:00 PM. For those planning outdoor activities, it was crucial to stay vigilant around midday when UV exposure was at its highest, ensuring a healthy balance between fun in the sun and skin protection.

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	2	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 Simu

The seasonal UV changes reveal consistently high to extreme UV levels throughout the year, with notable peaks from January to April where the UV Index remains between 15 and 16, necessitating only 10 minutes of sun exposure before burning begins. The months of July and August also pose significant risk, with UV indices at 12 and 13 respectively, while June sees a slight decrease to 10, extending burn time to 15 minutes. As we transition into the autumn months, the UV Index remains high at 15 in September and October, only slightly decreasing in November. Thus, it is imperative for both visitors and residents to take precautions during this high-risk period, including wearing broad-spectrum sunscreen, protective clothing, and seeking shade, especially during peak sun hours.

Monthly Maximum UV Index for Simu, Indonesia

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

The table above highlights how UV exposure in Simu 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.

Simu'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
Simu	15	16	16	15	13	10	12	13	15	15	14	15