UV Index in Tarawa, Kiribati

Last updated: May 3, 2025

In Tarawa, Kiribati, understanding the UV Index is crucial for protecting your skin and overall health. With the tropical climate typical of the region, UV levels can soar to dangerous heights, especially around midday, reaching a staggering 14 at noon. This awareness is essential for prevention against sunburns and long-term skin damage. Being informed about UV exposures helps residents and visitors alike take the necessary precautions to enjoy the sun safely while safeguarding their skin health throughout the day.

Hourly UV Index in Tarawa

As the sun rises, the UV Index begins its ascent, starting at a mild 1 at 07:00. The intensity ramps up quickly, hitting 2 by 08:00 and surging to a moderate 5 by 09:00. However, as midday approaches, watch out! The index skyrockets to a peak of 14 between 12:00 and 13:00, signaling a high risk of harm from unprotected sun exposure. After this zenith, the UV Index gradually descends, dropping to 11 at 14:00, and then easing to 4 by 16:00. Finally, the index dwindles to 1 by 17:00 and fades to 0 by 19:00, marking a day where sun safety is crucial during those brightest 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.
TimeUVICategoryTime to Burn
07:001low45 min
08:002low45 min
09:005moderate30 min
10:009very high15 min
11:0012extreme10 min
12:0014extreme10 min
13:0014extreme10 min
14:0011extreme10 min
15:007high25 min
16:004moderate30 min
17:001low45 min
18:001low45 min
19:000low45 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.
JanFebMarAprMayJunJulAugSepOctNovDec151616161412121314141312
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.
 JanFebMarAprMayJunJulAugSepOctNovDec
Tarawa151616161412121314141312
Bairiki Village UVI151616161412121314141312
Teaoraereke Village UVI151616161412121314141312
Bikenibeu Village UVI151616161412121314141312
Betio Village UVI151616161412121314141312