UV Index in Cacheu, Guinea-Bissau

Last updated: June 2, 2025

In Cacheu, Guinea-Bissau, awareness of the UV Index is crucial for protecting your skin and overall health amidst the region's tropical Aw climate. Understanding UV levels can help you prevent sunburn and reduce the risk of skin damage, ensuring you enjoy the sun safely. With peak UV Index values reaching a striking 13 around midday, it's essential to be informed about the risks associated with high exposure. By staying aware of UV levels, you can take necessary precautions and embrace the beautiful Cacheu sunshine while safeguarding your skin.

Hourly UV Index in Cacheu

The UV Index for the day tells a fascinating story of rising intensity under the sun. Early risers at 07:00 and 08:00 experienced a mild UV Index of 1, perfect for leisurely outdoor activities. As the day progressed, the index climbed steadily, reaching a moderate 3 by 09:00. By 11:00, it surged to 9, marking the start of peak sun exposure. The sun blazed at 12:00, reaching a high of 12, and continued to shine at 13:00 with an impressive 13. Throughout the afternoon, the intensity began to retreat, falling to 12 by 14:00 and gently tapering to 9 at 15:00. By evening, the sun’s grip loosened, with the index dropping to 3 at 17:00 and finally returning to a gentle 1 by 18:00 and 19:00. A day filled with sunshine serves as a reminder to stay protected during those peak 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
08:001low45 min
09:003moderate30 min
10:006high25 min
11:009very high15 min
12:0012extreme10 min
13:0013extreme10 min
14:0012extreme10 min
15:009very high15 min
16:006high25 min
17:003moderate30 min
18:001low45 min
19:001low45 min

Monthly UV Index Trends in Cacheu

The UV Index exhibits significant seasonal changes, peaking during the summer months. From January to November, the UV Index ranges between 9 and 10, classified as very high, with a burn time of 15 minutes. However, from March through October, the index reaches extreme levels, ranging from 12 to 14, with a considerably reduced burn time of just 10 minutes. The high-risk months are primarily March through October, particularly in August and September, when the UV Index peaks at 14. Visitors and residents are strongly advised to take precautions during these months, including wearing protective clothing, using broad-spectrum sunscreen, and seeking shade, especially during midday hours, to minimize the risk of UV-related harm.

Monthly Maximum UV Index for Cacheu, Guinea-Bissau

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Cacheu. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec910121212131314141299
Data source: Statistical UV Index data for Cacheu, 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 Cacheu UV Index with Other Guinea-Bissau Cities

The table above highlights how UV exposure in Cacheu compares to other major locations across Guinea-Bissau. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
Cacheu's solar exposure compared to other cities in Guinea-Bissau. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Bafata UVI910121212131313131299
Gabu UVI9101212131313141312109
Bolama UVI1010111213131314141299
Bissau UVI1010111213131314141299
Bissora UVI910121213131314141299
Cacheu910121212131314141299