Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Bulawayo, Zimbabwe, where the sun shines brightly in a semi-arid climate (BSh). The UV Index serves as a vital tool for gauging potential sun exposure, enabling you to take effective measures against sunburn and long-term skin damage. In Bulawayo, UV levels can soar as high as 8 around noon, posing significant risks if precautions are not taken. By being mindful of these levels, you can safeguard your skin health and enjoy the beautiful sunny days without compromise.
The UV Index data paints a vivid picture of sun exposure throughout the day. In the early hours, from 7:00 AM to 9:00 AM, the UV Index remains low, peaking at only 1. However, as the sun climbs higher, from 10:00 AM to 12:00 PM, it surges to 8 at noon, marking the peak of solar intensity. The afternoon sees a slight decline, with the index dropping to 5 at 2:00 PM and further to 3 by 3:00 PM. As evening approaches, the UV levels plummet back to a safe 1 by 4:00 PM, and the sun's diminishing rays result in a 0 by 6:00 PM, signaling a welcome reprieve from UV exposure. Essentially, the peak intensity occurs during midday hours, highlighting the importance of seeking shade and wearing protection during these critical hours.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 5 | moderate | 30 min |
| 15:00 | 3 | moderate | 30 min |
| 16:00 | 1 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, UV index levels exhibit significant seasonal fluctuations, with the highest risk months typically being January to March, where the UV index peaks at 17 in January and maintains extreme levels until April. During these months, burn time is critically short at just 10 minutes. As summer approaches, from May to August, the UV index remains in the very high range, dropping slightly to 9 in May and rising to 10 in August, allowing for a slightly longer burn time of 15 minutes. The fall months see another rise in UV levels from September to November, categorized as extreme in September and November with burn times of 10 minutes. Residents and visitors are strongly advised to take protective measures against sun exposure during these high-risk months, such as wearing sunscreen, protective clothing, and avoiding prolonged sun exposure, especially during peak hours.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bulawayo | 17 | 16 | 14 | 12 | 9 | 8 | 8 | 10 | 12 | 13 | 15 | 15 |
| Mutare UVI | 17 | 16 | 14 | 12 | 10 | 8 | 8 | 10 | 12 | 13 | 15 | 15 |
| Gweru UVI | 17 | 16 | 14 | 12 | 10 | 8 | 8 | 10 | 12 | 13 | 15 | 15 |
| Chitungwiza UVI | 17 | 16 | 14 | 13 | 10 | 9 | 8 | 10 | 12 | 13 | 15 | 15 |
| Harare UVI | 18 | 16 | 14 | 13 | 10 | 9 | 8 | 11 | 12 | 12 | 15 | 15 |