UV Index in Atambua, Indonesia

Last updated: July 2, 2025

In Atambua, Indonesia, being aware of the UV Index is essential for safeguarding your skin from harmful sun exposure. Understanding UV levels plays a critical role in preventing sunburn and maintaining skin health, especially in a region where the sun can be intense. With a tropical climate classified as Aw, Atambua experiences significant UV radiation, peaking at 11 between 12:00 PM and 1:00 PM. This makes it crucial for residents and visitors alike to monitor UV levels daily, ensuring that they take necessary precautions to enjoy the beautiful outdoor environments without the risk of skin damage.

Hourly UV Index in Atambua

As the sun rises and warms the day, the UV Index begins at a mild 1 at 07:00 and 08:00, making it safe to venture outdoors without much protection. By 09:00, it jumps to a moderate 3, hinting at the increasing intensity. The real peak arrives between 11:00 and 13:00, where the index soars to an impressive 11, signifying a high risk of harm from unprotected sun exposure. As the afternoon rolls on, the index gradually dips, dropping to 10 at 14:00 and then descending through the late afternoon to 2 by 17:00. The sun sets the scene for a safe evening as the index returns to 1 at 18:00, finally resting at 0 by 19:00. This hourly dance of UV radiation highlights the importance of 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	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	10	very high	15 min
15:00	7	high	25 min
16:00	4	moderate	30 min
17:00	2	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Atambua

The UV Index experiences significant fluctuations throughout the year, with extreme levels predominating from January to April and then again in July, August, September, October, and November. The highest UV Index occurs in February and March (16), marking them as high-risk months for sun exposure. It is crucial for both visitors and residents to take protective measures during these months, such as wearing sunscreen, protective clothing, and seeking shade, especially since the burn time remains as low as 10 minutes throughout much of the year. As the UV Index decreases in June (to 10) and rises again in July, awareness and preparation can help mitigate the risks associated with sun exposure.

Monthly Maximum UV Index for Atambua, Indonesia

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

The table above highlights how UV exposure in Atambua 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.

Atambua'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
Atambua	15	16	16	14	12	10	11	13	16	15	15	14