UV Index in Isale, Burundi

Last updated: June 2, 2025

Understanding the UV Index in Isale, Burundi is crucial for safeguarding your skin and overall health. With its mild tropical highland climate, Isale experiences fluctuating UV levels throughout the day, peaking at a striking 12 around noon. Awareness of these levels is essential for preventing sunburn and long-term skin damage, especially when the sun’s rays are at their strongest. By monitoring the UV Index, residents and visitors can take informed steps to protect themselves from potential harm and enjoy the beautiful outdoors safely.

Hourly UV Index in Isale

The UV Index tells a compelling story of midday intensity. At 07:00, it starts low at 1, but as the sun rises, so does the UV exposure, reaching 3 by 08:00. The intensity climbs quickly, hitting 5 at 09:00 and soaring to a peak of 12 by noon. 11:00 and 12:00 are the most critical hours, with the UV Index at 11 and 12, urging caution for outdoor activities. After this peak, the index begins its decline, dropping to 10 at 13:00 and then back to 8 at 14:00. By 15:00, it further falls to 5 and continues to decrease, stabilizing at 1 by 17:00 and finally tapering off to 0 by 18:00. This hourly data highlights the importance of sun protection during the midday hours when UV exposure is at its highest.

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
09:005moderate30 min
10:008very high15 min
11:0011extreme10 min
12:0012extreme10 min
13:0010very high15 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 Isale

Throughout the year, UV Index levels remain consistently high, categorizing exposure as extreme. From January to April, the UV Index peaks at 15 to 16, indicating that visitors and residents should be extremely cautious, as the burn time is as little as 10 minutes. Although there is a slight decline in exposure levels from May to July—with values ranging from 11 to 14—the risk remains significant throughout the warmer months. August to October sees a slight increase again, particularly in September. Notably, December maintains a UV Index of 13, emphasizing the need for sun protection measures year-round. Visitors and residents are strongly advised to take appropriate precautions, such as wearing sunscreen, protective clothing, and sunglasses, to minimize UV-related health risks, especially during these high-risk months.

Monthly Maximum UV Index for Isale, Burundi

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Isale. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec151616151312111314131313
Data source: Statistical UV Index data for Isale, 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 Isale UV Index with Other Burundi Cities

The table above highlights how UV exposure in Isale compares to other major locations across Burundi. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
Isale's solar exposure compared to other cities in Burundi. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Bujumbura UVI141516161311111213131313
Isale151516151412111314131313
Ruyigi UVI151516161311111314131313
Muyinga UVI151516151412121314131313
Ngozi UVI151616161412111315131313
Gitega UVI151617161412121314131314