UV Index in Tomu, Indonesia

Last updated: June 2, 2025

In Tomu, Indonesia, being aware of the UV Index is crucial for protecting your skin from harmful ultraviolet rays. Understanding the daily UV levels not only helps in preventing painful sunburns but also plays a significant role in long-term skin health. With a tropical climate and peak UV Index values soaring to 12 around noon, residents and visitors alike must stay informed about these risks to enjoy outdoor activities safely. By keeping an eye on the UV Index, you can take proactive steps to shield yourself from excessive sun exposure and embrace the beauty of Tomu’s sunny days responsibly.

Hourly UV Index in Tomu

The UV Index throughout the day showcases a dramatic rise and fall in intensity, peaking at 12 around noon. Starting from a mild 1 at 07:00, it escalates to a noticeable 5 by 09:00 and skyrockets to a sizzling 11 at 11:00. The highest point occurs just after lunchtime, hitting 12 at 12:00, marking the most critical time for sun exposure. As the afternoon progresses, the index gradually declines, tapering off to 5 by 15:00, before retreating back to a safe 1 by 17:00. By 19:00, the UV Index drops to a 0, signaling a transition from day to night, reminding us to stay vigilant about 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	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	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Tomu

The UV Index exhibits high levels throughout the year, peaking in the early months with values reaching 17 in January, February, and March, characterized as having an extreme exposure category and a minimal burn time of only 10 minutes. Notably, the high-risk months for UV exposure are January to April, where the index consistently stays between 15 and 17. As summer approaches, the UV Index gradually decreases but remains significant, ranging from 12 to 14 from June to November, still classified as extreme. This pattern highlights an ongoing risk for skin damage year-round, advising visitors and residents to employ strict sun protection measures, including wearing sunscreen, protective clothing, and seeking shade, particularly during midday hours to minimize exposure.

Monthly Maximum UV Index for Tomu, Indonesia

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

The table above highlights how UV exposure in Tomu 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.

Tomu'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
Tomu	15	17	17	16	14	12	12	13	15	15	14	14