UV Index in Musanze, Rwanda

Last updated: August 1, 2025

Understanding the UV Index in Musanze, Rwanda, is crucial for protecting your skin and overall health. With peak UV levels reaching as high as 12 around midday, awareness can help you take necessary precautions to prevent sunburn and long-term skin damage. Musanze’s temperate climate often brings varied UV exposure risks throughout the day, making it essential to monitor these levels regularly. By staying informed about the UV Index, you can enjoy the stunning landscapes of Musanze while safeguarding your skin from harmful ultraviolet rays.

Hourly UV Index in Musanze

The UV Index throughout the day reveals a dynamic range of solar intensity, peaking at 12 around noon. Starting the day gently, the index registers a low 1 at 7:00 AM, gradually rising to 2 by 8:00 AM. As the sun climbs higher, it reaches 5 by 9:00 AM, then surges to a robust 11 by 11:00 AM, signaling higher caution for outdoor activities. The peak at midday is a daunting 12, urging everyone to seek shade and wear protective gear. The intensity begins to taper off in the afternoon, dropping back to 8 at 2:00 PM and further to 5 by 3:00 PM. By the late afternoon, the index drops significantly to 1 at 5:00 PM and settles at 0 by 6:00 PM, giving a gentle reminder that the sun's might can vary dramatically throughout the day.

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
11:0013extreme10 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 Musanze

The UV Index experiences consistently high levels throughout the year, with values peaking from January to April, where the index ranges between 15 and 17, indicating extreme exposure risk and a burn time of just 10 minutes. These months are particularly critical for both visitors and residents, who should take strong precautions against sun exposure, including wearing protective clothing and applying sunscreen frequently. While the index shows a slight decrease during the summer months of June to August, it still remains in the extreme category, emphasizing the need for continued vigilance. September to December maintain similar levels, with UV Index values between 13 and 14, thus reminding everyone that sun safety should be a priority year-round. Staying educated about seasonal UV variations and focusing on preventive measures is crucial for outdoor activities in this region.

Monthly Maximum UV Index for Musanze, Rwanda

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Musanze. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec151717161412121314141314
Data source: Statistical UV Index data for Musanze, 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 Musanze UV Index with Other Rwanda Cities

The table above highlights how UV exposure in Musanze 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.
Musanze'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
Musanze151617161412121314141314