UV Index in Satawal, Micronesia

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors of Satawal, Micronesia, where the tropical sun can reach intense levels of ultraviolet radiation. Awareness of UV levels is not just about staying comfortable; it plays a vital role in preventing sunburn and protecting your skin health. With peak UV readings soaring as high as 14 around midday, the risk of harmful exposure increases significantly in this island paradise. The Af climate of Satawal also contributes to elevated UV exposure, emphasizing the importance of monitoring these levels to enjoy the beautiful outdoors safely.

Hourly UV Index in Satawal

The UV Index starts off low at 07:00 with a gentle 1, perfect for morning activities. As the day progresses, it escalates sharply, peaking at a challenging 14 around 12:00, signaling the need for sun protection. The intensity begins to taper off post-lunch, with readings of 10 at 14:00 and dropping to a milder 4 by 16:00. By the evening hours, from 17:00 onwards, the index declines significantly, returning to a safe 1 by 18:00 and finally hitting 0 at 19:00. It’s a classic sunny day, highlighting the importance of vigilance against UV exposure during 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	3	moderate	30 min
09:00	6	high	25 min
10:00	9	very high	15 min
11:00	12	extreme	10 min
12:00	14	extreme	10 min
13:00	13	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 Satawal

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 Satawal, Micronesia

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

The table above highlights how UV exposure in Satawal 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.

Satawal'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
Tofol UVI	14	15	16	16	15	13	13	14	14	13	12	12
Satawal	13	14	16	16	14	14	14	14	14	14	13	11