UV Index in Alo, Wallis and Futuna

Last updated: June 2, 2025

In Alo, Wallis and Futuna, being aware of the UV Index is essential for protecting your skin from harmful ultraviolet rays. Understanding the UV levels not only helps in preventing painful sunburns but also plays a vital role in maintaining long-term skin health. With the region's tropical climate, residents and visitors face significant UV exposure, especially during peak hours between 10:00 AM and 2:00 PM, when the index can soar to 9—an indication of high risk. Stay informed and enjoy the sun safely!

Hourly UV Index in Alo

The UV Index throughout the day demonstrates a distinct peak during the midday hours, reaching its maximum of 9 at 11:00 AM and again at 12:00 PM. As the sun rises, the UV Index begins at a mere 1 at 7:00 AM, gradually climbing to 4 by 9:00 AM. However, once the clock strikes 10:00 AM, the intensity escalates sharply to 7 before hitting its zenith. Following this, there is a slight tapering off in the afternoon hours, with values nearing 6 at 2:00 PM and gradually decreasing to 3 by 3:00 PM. As daylight wanes, the UV Index plummets, dropping to 1 by 4:00 PM and finally settling at 0 by 6:00 PM, signaling an end to the sun's powerful rays for the day. This data emphasizes the importance of sun protection, especially during those peak hours between 10:00 AM and 2:00 PM.

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	9	very high	15 min
12:00	9	very high	15 min
13:00	8	very high	15 min
14:00	6	high	25 min
15:00	3	moderate	30 min
16:00	1	low	45 min
17:00	1	low	45 min
18:00	0	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Alo

Throughout the year, the UV Index displays significant seasonal changes, with extreme levels predominating from January to May and returning from August to November. High-risk months include January, February, March, and the shoulder months of April, September, and November, with UV Index values consistently high at 14-16 and a rapid burn time of 10 minutes. As a result, it is crucial for both visitors and residents to take precautions during these months by wearing protective clothing, applying sunscreen, and seeking shade whenever possible. The UV Index begins to taper off in June and July, entering a very high exposure category, but remains a concern, especially for extended outdoor activities. Staying informed about the UV levels will help ensure a safe and enjoyable experience in the sun.

Monthly Maximum UV Index for Alo, Wallis and Futuna

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Alo. 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 Alo, 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 Alo UV Index with Other Wallis and Futuna Cities

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

Alo's solar exposure compared to other cities in Wallis and Futuna. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Alo	16	16	16	14	11	9	10	12	14	14	15	15
Utufua UVI	16	16	16	13	12	9	10	12	14	15	15	15
Falaleu UVI	16	16	16	13	12	9	10	12	14	15	15	15
Alele UVI	16	16	16	13	12	9	10	12	14	15	15	15
Liku UVI	16	16	16	13	12	9	10	12	14	15	15	15
Mata-Utu UVI	16	16	16	13	12	9	10	12	14	15	15	15