UV Index in Dili, Timor-Leste

Last updated: June 2, 2025

In Dili, Timor-Leste, understanding the UV Index is crucial for protecting your skin from harmful sun exposure. With a predominantly tropical climate characterized by high UV levels, awareness of the daily UV Index can help you prevent sunburn and promote overall skin health. For instance, during peak hours—especially midday when the UV Index surges to 11—the risk of skin damage is significantly heightened. By staying informed and taking appropriate precautions, you can enjoy the sunny days of Dili while safeguarding your skin against the risks posed by intense UV radiation.

Hourly UV Index in Dili

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 Dili

Throughout the year, seasonal UV changes exhibit consistently high levels, with extreme UV Index ratings persisting from January to March, reaching a peak of 16 in both February and March. Notably, September and October also register a UV Index of 16, positioning them as critical months for sun exposure risk. The high-risk months for UV exposure span February, March, September, and October, where the potential for skin damage is significantly elevated, with a minimal burn time of just 10 minutes across all months. Visitors and residents are strongly advised to take precautionary measures during these times, such as wearing protective clothing, using a high-SPF sunscreen, and seeking shade to minimize the risk of sunburn and long-term skin damage.

Monthly Maximum UV Index for Dili, Timor-Leste

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

The table above highlights how UV exposure in Dili 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.

Dili'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	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 UVI	16	16	16	15	12	11	12	13	16	16	15	15