UV Index in Tarawa, Kiribati

Last updated: July 2, 2025

Understanding the UV Index in Tarawa, Kiribati is crucial for protecting your skin and overall health. With consistently high UV exposure, especially during midday hours, being aware of UV levels can help prevent sunburn and reduce the risk of long-term skin damage. Tarawa’s Af climate means you can expect tropical conditions with significant sunlight throughout the year, making it essential to take precautions whenever UV levels rise, particularly during peak hours when the UV Index can reach a severe level of 12. Stay informed to enjoy the beautiful outdoor environment safely!

Hourly UV Index in Tarawa

The UV Index for today displays a notable increase, reaching its peak at 12 between 12:00 PM and 1:00 PM, signaling a high risk of harm from unprotected sun exposure. As the day begins, the index starts at a mild 1 at 7:00 AM, gradually climbing to 4 by 9:00 AM. A sharp rise occurs by 10:00 AM, hitting 7, before soaring to an intense 10 at 11:00 AM. After the zenith from 12:00 PM to 1:00 PM, the index gradually declines, dipping to 7 by 3:00 PM, then back down to 4 at 4:00 PM, before closing the day at 0 by 7:00 PM. With such elevated UV levels during the midday hours, it’s crucial to take precautions—seek shade, wear protective clothing, and apply sunscreen to ensure safety while enjoying the outdoors!

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	12	extreme	10 min
13:00	12	extreme	10 min
14:00	10	very high	15 min
15:00	7	high	25 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 Tarawa

The UV Index exhibits extreme exposure levels throughout the year, with the highest values recorded from January to April, consistently reaching 16. This period, along with February and March, represents the highest risk months for sunburn, where even a brief exposure of just 10 minutes can lead to skin damage. May sees a slight decrease to 14, while June and July maintain a high index of 12 and August rises again to 13. Thereafter, UV levels remain relatively steady, declining slightly to 14 in September and October and finishing the year at 12 in December. Residents and visitors are strongly advised to take protective measures, such as wearing sunscreen, hats, and UV-blocking sunglasses, especially during these high-risk months to minimize exposure to harmful UV radiation.

Monthly Maximum UV Index for Tarawa, Kiribati

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

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

Tarawa's solar exposure compared to other cities in Kiribati. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Tarawa	15	16	16	16	14	12	12	13	14	14	13	12
Bairiki Village UVI	15	16	16	16	14	12	12	13	14	14	13	12
Teaoraereke Village UVI	15	16	16	16	14	12	12	13	14	14	13	12
Bikenibeu Village UVI	15	16	16	16	14	12	12	13	14	14	13	12
Betio Village UVI	15	16	16	16	14	12	12	13	14	14	13	12