UV Index in Onoun, Micronesia

Last updated: June 2, 2025

In the tropical paradise of Onoun, Micronesia, being aware of the UV Index is crucial for both your skin health and overall well-being. Understanding UV levels helps you take proactive steps to prevent sunburn and long-term skin damage, especially during the peak hours of intense sunlight. Onoun's Af climate brings warm temperatures year-round, leading to significant UV exposure risks that can spike as early as 9 AM and reach dangerous levels of 13 at noon. By staying informed about the UV Index, you can enjoy the beauty of Onoun safely while protecting your skin from harmful rays.

Hourly UV Index in Onoun

The UV Index for the day demonstrates a significant rise and fall in intensity, peaking sharply at 11:00 AM and 12:00 PM with a staggering 13. Early in the morning, from 7:00 AM to 8:00 AM, the index starts low at 1, gradually increasing to 3 by 8:00 AM. As the sun climbs higher, a rapid escalation occurs, reaching 10 by 10:00 AM and hitting its maximum at noon. After this peak, the index begins to decline, dropping steadily to 9 at 2:00 PM, and later retreating to 1 by 5:00 PM. By 7:00 PM, the UV Index has faded to 0, reminding us of the crucial midday hours to protect our skin from UV exposure.

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	7	high	25 min
10:00	10	very high	15 min
11:00	13	extreme	10 min
12:00	13	extreme	10 min
13:00	12	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 Onoun

Throughout the year, the UV Index shows extreme levels consistently, peaking at 16 in March and April, with a sustained high of 14 from February to October. This data indicates that the high-risk months for UV exposure are concentrated between February and October, making it crucial for both visitors and residents to take proactive sun safety measures. With a burn time of just 10 minutes across all months, it is advisable to wear protective clothing, apply sunscreen frequently, and seek shade during peak sun hours. Staying vigilant about UV exposure is essential for health and well-being in this region.

Monthly Maximum UV Index for Onoun, Micronesia

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

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

Onoun's solar exposure compared to other cities in Micronesia. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Kolonia Town UVI	13	14	16	16	14	14	13	14	14	14	13	11
Kolonia UVI	13	14	16	16	14	14	13	14	14	14	13	11
Colonia UVI	12	14	16	16	14	13	14	15	14	14	12	11
Weno UVI	13	15	16	16	14	14	14	14	14	14	12	12
Onoun	13	14	16	16	14	14	14	14	14	14	13	11
Tofol UVI	14	15	16	16	15	13	13	14	14	13	12	12