UV Index in Rembang, Indonesia

Last updated: July 2, 2025

In Rembang, Indonesia, awareness of the UV Index is essential for safeguarding your skin and overall health. Understanding UV levels can help you prevent sunburn and reduce the risk of skin damage from prolonged sun exposure. With Rembang's tropical climate and typical midday UV Index peaking at an intense 11, residents and visitors should be vigilant during peak sunlight hours to protect themselves. By staying informed about the UV Index, you can enjoy the sunny days while keeping your skin healthy and safe!

Hourly UV Index in Rembang

At dawn, the UV Index starts low at 1 at 7:00 AM, making for a gentle introduction to the day. As the sun climbs, activity heats up, peaking sharply at 11 between 11:00 AM and 12:00 PM—the perfect time for sun lovers to bask in its glory. However, by 1:00 PM, the index begins to taper off to 9, gently reminding us to seek shade. The afternoon sees a gradual decline, dropping to 4 by 3:00 PM and finishing strong yet mellow at 1 by 4:00 PM through 5:00 PM. As the sun sets, the UV Index fades to 0 after 6:00 PM, signaling it’s time to wrap up outdoor adventures. Overall, this data illustrates the day's sun intensity, emphasizing the importance of sun safety 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	11	extreme	10 min
13:00	9	very high	15 min
14:00	6	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 Rembang

The UV index exhibits extremely high levels throughout most of the year, with particularly hazardous months being January through April and July through November, where the index consistently remains between 12 and 16. Notably, February peaks at a UV Index of 16, indicating a critical risk for skin damage with a burn time of only 10 minutes. Even in June, while the UV exposure is categorized as very high at 10, the burn time extends to 15 minutes. Visitors and residents are strongly advised to take precautions during these months, including wearing protective clothing, applying broad-spectrum sunscreen with high SPF, and seeking shade during peak sunlight hours to minimize the risk of UV exposure and skin damage.

Monthly Maximum UV Index for Rembang, Indonesia

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

The table above highlights how UV exposure in Rembang 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.

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