UV Index in Dumai, Indonesia

Last updated: June 2, 2025

In Dumai, Indonesia, being aware of the UV Index is crucial for safeguarding your skin and overall health. The UV levels can fluctuate significantly throughout the day, peaking at a high of 12 around noon, which poses a serious risk of sunburn and long-term skin damage. Understanding these levels helps residents and visitors alike take necessary precautions to enjoy the abundant sunshine without compromising their skin health. With Dumai’s tropical Af climate, the region experiences intense sunlight for most of the year, making UV Index awareness more vital than ever. Stay informed and protect yourself against harmful UV rays as you embrace the vibrant outdoor lifestyle Dumai has to offer!

Hourly UV Index in Dumai

As the sun rises, the UV Index begins to climb steadily, reaching a modest 1 at 07:00. By 08:00, it doubles to 2, but the real surge starts at 09:00, where it spikes to 5. The peak arrives at 12:00, hitting an intense 12—a reminder to reap the benefits of sunlight while staying protected. After an afternoon valor of 11 at 13:00, the numbers gradually decrease, settling at 5 by 15:00, and dwindling further to 1 by 17:00. As daylight fades, the UV risk diminishes, concluding with a gentle 0 at 19:00. Be mindful of the sun's power during the day and ensure you enjoy the outdoors safely!

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	11	extreme	10 min
14:00	9	very high	15 min
15:00	5	moderate	30 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