UV Index in Dumai, Indonesia

Last updated: July 2, 2025

Understanding the UV Index in Dumai, Indonesia is crucial for protecting your skin and preventing sunburn. With a tropical climate that features high UV exposure, especially during peak hours, being aware of UV levels can help you make informed decisions about sun safety. The UV Index can reach a maximum of 12 midday, indicating extreme risk, making it essential to take protective measures for your skin health. Whether you’re enjoying outdoor activities or simply soaking up the sun, knowing the UV Index allows you to guard against harmful rays and enjoy Dumai's beautiful climate safely.

Hourly UV Index in Dumai

The UV Index starts off low at 1 around 07:00, gradually rising to a moderate 2 by 08:00. As the sun reaches its peak, the index sharply escalates, hitting 8 at 10:00 and peaking at a striking 12 between 12:00 and 13:00. This intense solar exposure signals a strong need for protection, especially with the index maintaining an elevated 11 at 11:00 before beginning a gradual decline. By 14:00, it drops to 9, then further down to 6 at 15:00, and continues to fall, reaching 1 by 17:00. As the evening approaches, the UV levels taper off to 0 by 19:00, indicating a complete cessation of harmful UV exposure. Stay savvy and prioritize sun safety during those 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	2	low	45 min
09:00	5	moderate	30 min
10:00	8	very high	15 min
11:00	11	extreme	10 min
12:00	12	extreme	10 min
13:00	12	extreme	10 min
14:00	9	very high	15 min
15:00	6	high	25 min
16:00	3	moderate	30 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Dumai

The UV Index indicates that our region experiences extreme levels of ultraviolet radiation consistently throughout the year, with the highest values occurring from February to March (15-16). Notably, all months maintain a burn time of just 10 minutes, emphasizing that even short exposures can be harmful. The high-risk months, especially March (UV Index 16) and February (UV Index 15), should prompt visitors and residents to take extra precautions, including wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak sunlight hours. This advisory is essential, as the danger of sunburn and skin damage remains significant year-round. Be vigilant and prioritize sun safety!

Monthly Maximum UV Index for Dumai, Indonesia

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

The table above highlights how UV exposure in Dumai 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.

Dumai'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
Dumai	13	15	16	15	14	12	12	14	14	14	13	13
Bandung UVI	15	16	16	15	12	11	11	12	14	15	15	14