UV Index in Butare, Rwanda

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors in Butare, Rwanda, where the tropical climate often brings intense sun exposure. With UV levels reaching as high as 12 during midday, awareness of these measurements is essential for preventing sunburn and protecting skin health. Regularly checking the UV Index helps you make informed choices about sun protection, particularly during peak hours when the risk of harm is greatest. By staying alert to the UV levels in this vibrant community, you can enjoy the beautiful weather while safeguarding your skin against long-term damage.

Hourly UV Index in Butare

At dawn, the UV Index starts low at 1 around 7 AM, gradually rising to 3 by 8 AM. However, from 9 AM, it begins to climb steeply, reaching a peak of 12 at noon, indicating a time for caution and sun protection. The intensity begins to wane in the afternoon, dropping to 8 at 2 PM, and further declining to 5 by 3 PM. As the day winds down, the UV Index lowers significantly to 2 at 4 PM, then 1 at 5 PM, finally fading to 0 after 6 PM. This fluctuation illustrates a clear pattern of midday sun strength, encouraging outdoor enthusiasts to stay vigilant during 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
10:009very high15 min
11:0011extreme10 min
12:0012extreme10 min
13:0011extreme10 min
14:008very high15 min
15:005moderate30 min
16:002low45 min
17:001low45 min
18:000low45 min
19:000low45 min

Monthly UV Index Trends in Butare

The UV Index exhibits significant seasonal changes, predominantly remaining in the extreme exposure category throughout the year. The highest indices are recorded from February to March, peaking at 17 in March, while values gradually decline to 12 by June and July. October sees a slight increase to 13, which persists through December. High-risk months for sun exposure are primarily from February to March, making it crucial for visitors and residents to take preventive measures. We advise everyone to wear protective clothing, use sunscreen, and seek shade whenever possible, particularly during peak UV hours to minimize the risk of skin damage.

Monthly Maximum UV Index for Butare, Rwanda

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Butare. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec141716161412121315131313
Data source: Statistical UV Index data for Butare, 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 Butare UV Index with Other Rwanda Cities

The table above highlights how UV exposure in Butare 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.
Butare's solar exposure compared to other cities in Rwanda. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Gisenyi UVI151616161412111314131313
Kigali UVI151616151412121314131313
Gitarama UVI151616161412121314131313
Butare141617161412121315131313
Musanze UVI151617161412121314141314