UV Index in Byumba, Rwanda

Last updated: August 1, 2025

Understanding the UV Index is crucial for residents and visitors of Byumba, Rwanda, where the sun’s rays can be intense, particularly during midday hours. With UV levels peaking at a striking 12 around noon, being aware of these daily fluctuations is essential for effective sunburn prevention and safeguarding your skin health. Byumba's Aw climate contributes to significant UV exposure risks, especially between 10 AM and 2 PM, making it important to protect yourself from harmful UV radiation to enjoy the beautiful outdoors safely. Stay informed and protect your skin—your future self will thank you!

Hourly UV Index in Byumba

As the day unfolds, the UV Index begins to rise steadily, peaking at 12 around noon, indicating a high risk of harm from unprotected sun exposure. Starting from a mild 1 at 07:00, it climbs to 2 by 08:00, then surges to a significant 9 by 10:00. The intensity continues to escalate, reaching its maximum at 11 by 11:00, just before noon. After a slight dip to 8 by 14:00, the UV Index begins its gradual decline, dropping to 2 by 16:00, and finally resting at 0 by 18:00—a clear indication that the sun's rays are no longer a concern. To protect your skin, it's crucial to seek shade and apply sunscreen 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
08:003moderate30 min
09:006high25 min
10:0010very high15 min
11:0012extreme10 min
12:0013extreme10 min
13:0012extreme10 min
14:009very high15 min
15:006high25 min
16:003moderate30 min
17:001low45 min
18:000low45 min
19:000low45 min

Monthly UV Index Trends in Byumba

Throughout the year, seasonal UV changes indicate consistently high levels of UV radiation across every month, with an extreme exposure category and a quick burn time of just 10 minutes. The high-risk months are particularly prominent from January to April, where UV Index readings peak at 15 to 17. Visitors and residents are strongly advised to take preventive measures during these months, including wearing broad-spectrum sunscreen, protective clothing, and seeking shade when outdoors. Maintaining vigilance about sun exposure is essential year-round, as even the lower index months still reflect significant UV intensity.

Monthly Maximum UV Index for Byumba, Rwanda

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Byumba. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec151716161412121314131313
Data source: Statistical UV Index data for Byumba, 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 Byumba UV Index with Other Rwanda Cities

The table above highlights how UV exposure in Byumba compares to other major locations across Rwanda. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
Byumba's solar exposure compared to other cities in Rwanda. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Gisenyi UVI151616161412111314131313
Kigali UVI151616151412121314131313
Gitarama UVI151616161412121314131313
Butare UVI141617161412121315131313
Byumba151617161412121314141313
Musanze UVI151617161412121314141314