UV Index in Aileu, Timor-Leste

Last updated: June 2, 2025

Understanding the UV Index in Aileu, Timor-Leste is crucial for everyone living in or visiting this beautiful region. As the sun's rays can be particularly intense, especially during the mid-day hours, being aware of UV levels helps prevent sunburn and protects your skin health. With the tropical Aw climate, Aileu experiences significant UV exposure, peaking at a high of 11 between noon and 1 PM. By staying informed about the UV Index, you can enjoy the sun while safeguarding your well-being and ensuring a fun, safe experience outdoors.

Hourly UV Index in Aileu

The UV Index reveals a dynamic pattern throughout the day, starting at a low 1 in the early morning hours of 07:00 and 08:00. As the sun rises, the index climbs steadily, reaching 3 by 09:00. The midday sun peaks aggressively at 11, with the UV Index hitting its maximum of 11 from 12:00 to 13:00, signaling a high risk for skin damage without protection. Following this peak, values gradually decline, dropping to 9 at 14:00, and tapering down to 6 by 15:00. As the evening approaches, the UV Index falls back to 3 by 16:00 and finally descends to a 1 by 17:00 and 18:00, before sinking to 0 at 19:00, marking the end of the day's UV exposure. It's a reminder to stay vigilant under the sun, especially 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	1	low	45 min
09:00	3	moderate	30 min
10:00	6	high	25 min
11:00	9	very high	15 min
12:00	11	extreme	10 min
13:00	11	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 Aileu

Throughout the year, the UV Index remains consistently high, with values peaking at 16 from January to March, as well as in September and October. These months, along with April and November, classified as extreme exposure categories, indicate that sunburn can occur in as little as 10 minutes of unprotected sun exposure. May, June, July, and August show slightly lower, yet still significant, UV indices, ranging from 11 to 13, maintaining an extreme risk level. Given these persistent conditions, it is crucial for both visitors and residents to take proactive sun protection measures, such as wearing broad-spectrum sunscreen, protective clothing, and seeking shade during peak sun hours. Staying informed and vigilant can significantly reduce the risk of UV-related health issues.

Monthly Maximum UV Index for Aileu, Timor-Leste

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Aileu. 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 Aileu, 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 Aileu UV Index with Other Timor-Leste Cities

The table above highlights how UV exposure in Aileu compares to other major locations across Timor-Leste. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Aileu's solar exposure compared to other cities in Timor-Leste. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Likisa UVI	15	16	16	14	12	11	12	13	16	16	15	14
Dili UVI	15	16	16	14	12	11	12	13	16	16	15	14
Suai UVI	15	16	16	14	12	10	11	13	16	16	15	15
Maliana UVI	15	16	16	14	12	11	12	13	16	16	15	14
Aileu	16	16	16	15	12	11	12	13	16	16	15	15