UV Index in Aileu, Timor-Leste

Last updated: May 3, 2025

In Aileu, Timor-Leste, awareness of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels helps you take proactive measures against sunburn and long-term skin damage, especially in a region characterized by its Aw climate, where the sun can be particularly intense. With UV levels peaking at a high of 12 around midday, residents and visitors alike must be vigilant about sun safety to enjoy the beautiful landscapes without compromising skin health. Awareness of these UV risks can make all the difference for a healthier, more enjoyable time outdoors.

Hourly UV Index in Aileu

As the sun rises, the UV Index begins its ascent, starting at a gentle 1 at 07:00 before gradually climbing to a moderate 2 by 08:00. The real intensity kicks in as the clock strikes 10:00, when the index reaches a noteworthy 7. By 11:00, it peaks at an extreme 10, and just after noon, it hits the highest point of the day at an impressive 12. This intense UV exposure continues until 13:00, where it remains steady at 12. As the afternoon progresses, the index starts to decline, dropping to 10 at 14:00, then tapering off to 7 by 15:00. The UV Index continues to decrease, reaching 4 at 16:00 and returning to a low of 1 by the evening, with the sun slipping below the horizon at 19:00, leaving a safe UV reading of 0.

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	4	moderate	30 min
10:00	7	high	25 min
11:00	10	very high	15 min
12:00	12	extreme	10 min
13:00	12	extreme	10 min
14:00	10	very high	15 min
15:00	7	high	25 min
16:00	4	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