UV Index in Arno, Marshall Islands

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents and visitors in Arno, Marshall Islands, where the tropical climate creates an environment ripe for sun exposure. With UV levels peaking at an intense 15 during midday, awareness of these fluctuations can significantly aid in sunburn prevention and promote skin health. As outdoor activities are commonplace in this stunning locale, being informed about UV risks not only protects your skin but also enhances your overall enjoyment of the beautiful surroundings. Embrace the sun safely by keeping an eye on the UV Index—your skin will thank you!

Hourly UV Index in Arno

At dawn, the UV Index begins its gradual ascent, starting at a mild 1 at 7:00 AM. As the sun climbs higher, it reaches a notable 9 by 10:00 AM, signaling the approach of peak UV exposure. The intensity peaks at 15 around noon and remains high until 2:00 PM, where it slightly dips to 12. The afternoon brings a gentle decline, with the index dropping to 8 by 3:00 PM and continuing to decrease through the evening hours, finally settling back to 0 by 7:00 PM. It’s crucial to stay protected during the midday hours when UV radiation is at its most potent, especially from 11:00 AM to 2:00 PM, to safeguard your skin while enjoying the sunshine!

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	5	moderate	30 min
10:00	9	very high	15 min
11:00	12	extreme	10 min
12:00	15	extreme	10 min
13:00	15	extreme	10 min
14:00	12	extreme	10 min
15:00	8	very high	15 min
16:00	4	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