Last updated: June 2, 2025
Understanding the UV Index in Mwaro, Burundi, is vital for protecting your skin from harmful UV radiation. With its Cwb climate, Mwaro experiences distinct variations in UV levels throughout the day, peaking at a dangerously high 12 around noon. Awareness of these UV indices is crucial not only for preventing sunburns but also for promoting long-term skin health. By recognizing when UV exposure is at its highest, residents and visitors can take proactive measures to safeguard themselves against potential risks associated with prolonged sun exposure. Whether you're enjoying outdoor activities or simply basking in the warm sun, knowing the UV index empowers you to make informed choices for your wellbeing.
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.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 2 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index shows consistently high levels throughout the year, peaking in March and April at 16, which are the highest values recorded. The high-risk months for UV exposure are January through May, where the index remains predominantly above 14, categorizing them as extreme risk months with a burn time of just 10 minutes. Visitors and residents are strongly advised to take precautionary measures during these periods by wearing sunscreen, protective clothing, and seeking shade, particularly during midday hours when the sun’s rays are most intense. As a general rule, even during the summer months, exposure remains significantly high, with a burn time of 10 minutes persisting throughout the year.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bujumbura UVI | 14 | 15 | 16 | 16 | 13 | 11 | 11 | 12 | 13 | 13 | 13 | 13 |
| Ruyigi UVI | 15 | 15 | 16 | 16 | 13 | 11 | 11 | 13 | 14 | 13 | 13 | 13 |
| Muyinga UVI | 15 | 15 | 16 | 15 | 14 | 12 | 12 | 13 | 14 | 13 | 13 | 13 |
| Mwaro | 15 | 15 | 16 | 16 | 14 | 12 | 11 | 13 | 14 | 13 | 13 | 14 |
| Ngozi UVI | 15 | 16 | 16 | 16 | 14 | 12 | 11 | 13 | 15 | 13 | 13 | 13 |
| Gitega UVI | 15 | 16 | 17 | 16 | 14 | 12 | 12 | 13 | 14 | 13 | 13 | 14 |