UV Index in Riohacha, Colombia

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in Riohacha, Colombia, where the tropical climate poses unique risks for sun exposure. With UV levels reaching a peak of 13 at noon, awareness of UV radiation is essential for preventing sunburn and promoting skin health. Regularly checking the UV Index helps everyone gauge when to seek shade, apply sunscreen, or cover up to protect against harmful effects. Given Riohacha's warm and sunny weather, being informed about UV levels is not just beneficial—it's vital for enjoying the beautiful outdoors safely.

Hourly UV Index in Riohacha

As the sun rises, the UV Index begins subtly, peaking at 1 by 7:00 AM. By 9:00 AM, it climbs to a moderate level of 6, increasing to a striking 10 at 10:00 AM. At 11:00 AM, the intensity reaches its zenith with a sharp 12, and by 12:00 PM, it hits a scorching 13. The afternoon witnesses a gradual decline, with UV levels dropping to 12 by 1:00 PM, followed by a swift descent to 9 at 2:00 PM and further down to 5 by 3:00 PM. As the day winds down, UV exposure diminishes, falling to 3 at 4:00 PM, and finally settling back to 1 by 5:00 PM. The UV index ends the day at 0 by 7:00 PM, signaling a safe retreat from sun exposure. This hourly fluctuation highlights the importance of sun safety, especially during peak hours when UV radiation is at its most intense.

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
08:003moderate30 min
09:006high25 min
10:0010very high15 min
11:0012extreme10 min
12:0013extreme10 min
13:0012extreme10 min
14:009very high15 min
15:005moderate30 min
16:003moderate30 min
17:001low45 min
18:001low45 min
19:000low45 min

Monthly UV Index Trends in Riohacha

The UV Index experiences significant fluctuations throughout the year, with the highest values occurring from March to April, where it peaks at 15, indicating an extreme exposure category and a burn time of just 10 minutes. February also records a high of 12, while November and December see a decrease to a very high rating of 10, extending burn time to 15 minutes. Visitors and residents are advised to exercise extreme caution from March to April, as well as in February, and to take protective measures such as wearing sunscreen, hats, and protective clothing during these high-risk months. For the remainder of the year, while UV exposure is slightly lower, maintaining sun safety practices is still highly recommended.

Monthly Maximum UV Index for Riohacha, Colombia

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Riohacha. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec111214151313131313131010
Data source: Statistical UV Index data for Riohacha, 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 Riohacha UV Index with Other Colombia Cities

The table above highlights how UV exposure in Riohacha compares to other major locations across Colombia. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
Riohacha's solar exposure compared to other cities in Colombia. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Barranquilla UVI111214141312131313131110
Cartagena UVI111113151313121313131110
Riohacha111214151313131313131010
Medellin UVI141517161614141514141312
Cali UVI151617171514141415141312
Bogota UVI151618181715151615151413