UV Index in Sa'asa'ai, Samoa

Last updated: May 3, 2025

In Sa'asa'ai, Samoa, understanding the UV Index is crucial for maintaining skin health and preventing sunburn. With its tropical climate and consistent exposure to sunlight, the UV Index can peak at a significant level—reaching as high as 11 during midday. Being aware of the UV levels helps residents and visitors plan their outdoor activities effectively, protecting themselves from the harmful effects of excessive sun exposure. From sun safety practices to selecting appropriate times to venture outside, awareness of the UV Index is a valuable tool for safeguarding our skin against potential damage.

Hourly UV Index in Sa'asa'ai

The UV Index for the day presents a clear picture of sun intensity, starting off gentle in the early hours. At 7:00 AM, it begins at a mild 1, increasing to 2 by 8:00 AM. As the sun rises higher, the index climbs rapidly; by 10:00 AM, it reaches 7 and peaks at an intense 11 around 12:00 PM and 1:00 PM. After this zenith, the levels gradually decline, dropping to 9 by 2:00 PM, 6 at 3:00 PM, and settling back to a safe 1 by 5:00 PM. The UV exposure diminishes further, reaching a low of 0 by 7:00 PM. Stay protected 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	2	low	45 min
09:00	4	moderate	30 min
10:00	7	high	25 min
11:00	10	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 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