UV Index in Sa'asa'ai, Samoa

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents of Sa'asa'ai, Samoa, where the climate is characterized by intense tropical sunlight. Awareness of UV levels is essential to prevent sunburn and to protect your skin health. With UV Index readings peaking at 9 during midday hours, exposure risks are significant, particularly in this region known for its sunny days and outdoor lifestyle. By keeping an eye on daily UV levels, you can enjoy the beautiful Samoan environment while safeguarding your skin from harmful rays.

Hourly UV Index in Sa'asa'ai

The UV Index for the day showcases a dynamic range of sun exposure, beginning with low levels of 1 from 07:00 to 08:00, making it a great time for morning activities. As the day progresses, the intensity ramps up, peaking at 9 between 12:00 and 13:00, indicating that sun protection is a must during these hours. This is especially crucial for outdoor enthusiasts planning their midday excursions. As the afternoon fades into the evening, the UV levels decrease once again, dropping to 5 at 15:00, then tapering down to 1 by 17:00 through 19:00. Overall, it's a day where sun safety awareness is key, particularly from 11:00 to 14:00, ensuring everyone enjoys the outdoors responsibly!

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	5	moderate	30 min
11:00	8	very high	15 min
12:00	9	very high	15 min
13:00	9	very high	15 min
14:00	7	high	25 min
15:00	5	moderate	30 min
16:00	2	low	45 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Sa'asa'ai

The UV Index displays significant seasonal variation, with extreme levels consistently recorded from January to April and again in August through October. High-risk months for UV exposure include January, February, March, and April, where the UV index remains at a high 16, necessitating a burn time of just 10 minutes. While June and July present slightly lower values at 9 and 10 respectively, the risk remains classified as very high, with a burn time extending to 15 minutes. As we move into the latter months, from August to November, the UV index rises again to 12-15, maintaining an extreme exposure category. To ensure safety, both visitors and residents are strongly advised to limit sun exposure during peak hours, wear protective clothing, and regularly apply broad-spectrum sunscreen, especially during these high-risk months.

Monthly Maximum UV Index for Sa'asa'ai, Samoa

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Sa'asa'ai. 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 Sa'asa'ai, 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 Sa'asa'ai UV Index with Other Samoa Cities

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

Sa'asa'ai's solar exposure compared to other cities in Samoa. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Siusega UVI	16	16	16	13	11	9	9	12	14	15	15	15
Faleula UVI	16	16	16	13	11	9	9	12	14	15	15	15
Apia UVI	16	16	16	13	11	9	9	12	14	15	15	15
Mulifanua UVI	16	16	16	13	11	9	10	12	14	15	15	15
Asau UVI	16	16	16	13	11	9	10	12	14	15	15	15
Sa'asa'ai	16	16	16	13	11	9	10	12	14	15	15	15