UV Index in Colonia, Micronesia

Last updated: May 3, 2025

In Colonia, Micronesia, staying informed about the UV Index is crucial for safeguarding your skin health. Understanding UV levels helps in preventing sunburns and long-term skin damage, particularly in this tropical climate, where the sun's intensity can be quite high. With maximum UV readings peaking at 14 around noon, awareness of these levels is vital for both residents and visitors. By checking the UV Index, you can take proactive steps to enjoy the beautiful outdoor scenery while ensuring your skin remains protected from harmful rays.

Hourly UV Index in Colonia

The UV Index rises dramatically throughout the morning, starting at a mild 1 at 7:00 AM and climbing to a peak of 14 by noon. This intensity is maintained until 1:00 PM, where the sun’s rays are most powerful, making shade and sunscreen essential for outdoor activities. As the afternoon progresses, the UV Index gracefully declines, falling to 9 at 3:00 PM before tapering down to 1 by 6:00 PM and finally resting at 0 as the sun sets at 7:00 PM. It's a typical summer day, where midday sun exposure calls for caution, highlighting the importance of protecting your skin when the UV Index is high!

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
09:004moderate30 min
10:008very high15 min
11:0012extreme10 min
12:0014extreme10 min
13:0014extreme10 min
14:0012extreme10 min
15:009very high15 min
16:005moderate30 min
17:002low45 min
18:001low45 min
19:000low45 min

Monthly UV Index Trends in Colonia

The UV Index experiences extreme levels throughout the year, ranging from 11 to 16, with consistently high values indicating significant UV radiation. March and April are the peak months, with a maximum UV Index of 16, marking them as critical periods for sun exposure. Additionally, February and August showcase notable values of 14, making them high-risk months as well. Visitors and residents are strongly advised to take precautions during these times, including seeking shade, wearing protective clothing, and applying sunscreen with a high SPF to mitigate the risk of sunburn and long-term skin damage. Throughout the year, a burn time of just 10 minutes underscores the urgency of sun safety practices in this region.

Monthly Maximum UV Index for Colonia, Micronesia

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Colonia. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec121416161413141514141211
Data source: Statistical UV Index data for Colonia, 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 Colonia UV Index with Other Micronesia Cities

The table above highlights how UV exposure in Colonia compares to other major locations across Micronesia. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
Colonia's solar exposure compared to other cities in Micronesia. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Kolonia Town UVI131416161414131414141311
Kolonia UVI131416161414131414141311
Colonia121416161413141514141211
Weno UVI131516161414141414141212
Tofol UVI141516161513131414131212