UV Index in Arno, Marshall Islands

Last updated: July 2, 2025

Understanding the UV Index in Arno, Marshall Islands is crucial for protecting your skin from harmful ultraviolet radiation. With peak levels reaching as high as 13 during midday, awareness of UV levels is essential not only for preventing painful sunburn but also for maintaining long-term skin health. The warm, tropical climate of Arno brings a unique set of challenges, with intense sunlight posing increased risks for both residents and visitors. Stay informed and protect yourself against excessive UV exposure to enjoy the beauty of this idyllic island safely.

Hourly UV Index in Arno

Today’s UV Index offers a dynamic snapshot of sun intensity throughout the day. Starting off gently, we see a maximum of 1 at 7:00 AM, gradually climbing to a moderate 2 by 8:00 AM. The sun’s power peaks at 12:00 PM with a daring 13, hitting the day's highest UV threats between 11:00 and 13:00, so make sure to protect your skin during that window! As the sun begins to descend, the index decreases, falling to 8 at 3:00 PM, then tapering off to a mild 1 by 6:00 PM. Finally, as daylight fades, the UV Index drops to 0 at 7:00 PM, marking the end of a sun-soaked day. Stay safe in the sun, and don’t forget your sunscreen 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	8	very high	15 min
11:00	11	extreme	10 min
12:00	13	extreme	10 min
13:00	13	extreme	10 min
14:00	11	extreme	10 min
15:00	8	very high	15 min
16:00	5	moderate	30 min
17:00	2	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Arno

The UV Index shows significant seasonal variations, with consistently extreme levels throughout the year, peaking at 16 in both March and April. Notably, the highest risk months are February and March, where the UV Index reaches 14 and 16 respectively, indicating an urgent need for protective measures. From January through June, the burn time remains critically low at just 10 minutes, urging visitors and residents to adopt robust sun safety practices, such as wearing sunscreen, protective clothing, and seeking shade during these high-risk months. Even during the less intense months of November and December, when the UV Index drops to 12 and 11, caution is still advised, as prolonged exposure can lead to skin damage.

Monthly Maximum UV Index for Arno, Marshall Islands

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

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

Arno's solar exposure compared to other cities in Marshall Islands. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Wotje UVI	12	14	15	15	14	13	13	14	14	13	11	10
Ebaye UVI	12	14	16	16	14	13	13	15	14	13	12	11
Arno	13	14	16	16	15	13	13	14	14	13	12	11
Majuro UVI	13	14	16	16	15	13	13	14	14	13	12	11
Jabor UVI	13	15	16	16	14	13	14	14	14	13	12	11