UV Index in Ili, Indonesia

Last updated: July 2, 2025

Understanding the UV Index is crucial for the residents and visitors of Ili, Indonesia, where the sun's rays can have a significant impact on skin health. The UV levels in this Aw climate zone can vary dramatically throughout the day, peaking during midday hours with values reaching 12—indicating a very high risk of harm from unprotected sun exposure. Awareness of these levels not only aids in preventing painful sunburns but also plays a vital role in reducing long-term skin damage. As the sun shines brightly in Ili, staying informed about UV exposure risks is key to enjoying the beautiful outdoors safely.

Hourly UV Index in Ili

The UV Index throughout the day paints a vivid picture of sun intensity, peaking dramatically around noon. Beginning with a gentle start at 1 at 07:00, the index climbs steadily, reaching 3 by 08:00 and hitting 5 at 09:00. The sun asserts its power by 10:00, blasting to 9, and continues to soar to a scorching maximum of 12 at 12:00. As the afternoon progresses, the readings begin to decline, dropping to 10 at 13:00, then to 8 at 14:00. By 15:00, the index has already dipped to 4, transitioning to 2 by 16:00. As daylight wanes, the UV Index gently fades to 1 by 17:00 and finally retreats to 0 by 18:00, offering a gentle reminder to seek shade 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	3	moderate	30 min
09:00	5	moderate	30 min
10:00	9	very high	15 min
11:00	11	extreme	10 min
12:00	12	extreme	10 min
13:00	10	very high	15 min
14:00	8	very high	15 min
15:00	4	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 Ili

Throughout the year, the UV Index remains consistently high, categorized as extreme, with minimal fluctuation in burn time—averaging just 10 minutes of unprotected sun exposure before sunburn occurs. The high-risk months for UV exposure span from January to March, where the index reaches a peak of 16, and persists notably throughout the year, especially in September and November with values of 15. Residents and visitors are strongly advised to take necessary precautions during these months, including wearing protective clothing, using broad-spectrum sunscreen, and seeking shade whenever possible, as even short periods of exposure can lead to serious skin damage.

Monthly Maximum UV Index for Ili, Indonesia

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

The table above highlights how UV exposure in Ili 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.

Ili'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
Ili	15	16	16	14	12	11	12	13	15	15	15	14