UV Index in Rantepang, Indonesia

Last updated: June 2, 2025

In Rantepang, Indonesia, being aware of the UV Index is crucial for maintaining optimal skin health and preventing sunburn. The region's tropical climate often leads to elevated UV levels, especially during midday. With max UV readings reaching as high as 12 around noon, understanding these levels is essential for enjoying outdoor activities safely. By keeping an eye on the UV Index, you can protect yourself and your loved ones from the harmful effects of ultraviolet radiation, ensuring a fun and safe experience under the sun.

Hourly UV Index in Rantepang

At dawn, the UV Index starts low at 1 around 7 AM, gradually rising to 3 by 8 AM. However, from 9 AM, it begins to climb steeply, reaching a peak of 12 at noon, indicating a time for caution and sun protection. The intensity begins to wane in the afternoon, dropping to 8 at 2 PM, and further declining to 5 by 3 PM. As the day winds down, the UV Index lowers significantly to 2 at 4 PM, then 1 at 5 PM, finally fading to 0 after 6 PM. This fluctuation illustrates a clear pattern of midday sun strength, encouraging outdoor enthusiasts to stay vigilant during 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	3	moderate	30 min
09:00	6	high	25 min
10:00	9	very high	15 min
11:00	11	extreme	10 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 Rantepang

Throughout the year, seasonal UV changes indicate consistently extreme exposure risk, with the highest UV Index values occurring from January to March, peaking at 17. Monthly indices remain high, ranging from 15 to 17, until the decline in late summer and autumn. High-risk months include January through April, where consistent burn times of just 10 minutes underline the urgency for protective measures. Visitors and residents should take proactive steps during all months, particularly in the early year, by wearing protective clothing, using broad-spectrum sunscreen, and seeking shade during peak hours to mitigate the risk of skin damage.

Monthly Maximum UV Index for Rantepang, Indonesia

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

The table above highlights how UV exposure in Rantepang 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.

Rantepang'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
Rantepang	16	17	17	16	15	12	13	14	15	16	15	15