UV Index in Majuro, Marshall Islands

Last updated: May 3, 2025

In Majuro, Marshall Islands, awareness of the UV Index is crucial for protecting your skin against harmful ultraviolet radiation. Understanding UV levels can significantly reduce the risk of sunburn and long-term skin health issues, making it essential for residents and visitors alike to stay informed. Situated in a tropical climate, Majuro experiences high UV exposure, especially during peak hours between 10 AM and 2 PM when the index often reaches dangerous levels, sometimes soaring to 15 or higher. Taking proactive steps based on the UV Index can help you enjoy the sun safely and preserve your skin's health for years to come.

Hourly UV Index in Majuro

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 Majuro

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 Majuro, Marshall Islands

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

The table above highlights how UV exposure in Majuro 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.

Majuro'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
Majuro	13	14	16	16	15	13	13	14	14	13	12	11
Arno 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