Last updated: June 2, 2025
In Katima Mulilo, Namibia, being aware of the UV Index is crucial for safeguarding your skin and overall health. Understanding UV levels helps you take essential precautions against sunburn and long-term skin damage, especially in a region characterized by a semi-arid climate with significant sun exposure. With midday UV Index readings peaking at 8, residents and visitors alike should stay informed to enjoy the outdoors safely while minimizing their risk of harmful UV exposure. Whether you're out exploring the stunning landscapes or enjoying community activities, knowing the UV levels can help keep your skin healthy and protected.
At dawn, the UV Index remains low, peaking at 1 by 08:00. As the sun rises higher, a notable increase occurs, reaching 3 at 09:00 and escalating dramatically to a maximum of 8 from 12:00 to 13:00. This midday surge indicates a higher risk for sun exposure, making it essential to take precautions such as wearing sunscreen and protective clothing. The intensity then gradually declines, dropping to 4 by 15:00, and continuing its descent to 0 by 19:00, marking the end of the sun’s peak influence for the day. Stay mindful of these hourly fluctuations to enjoy the sun safely!
| 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 | 8 | very high | 15 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 4 | 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 exhibits significant seasonal changes, with the highest readings occurring during the winter months. Notably, from January to April, the index remains in the extreme category, peaking at 17 in January, where the burn time is only 10 minutes. As temperatures rise into May and June, the index falls slightly to a very high level of 10 and 8, respectively, allowing for a longer burn time of 15 minutes. The risk remains substantial through July and August before increasing again in September to 12, marking another extreme period alongside October and November, which also show high UV exposure. Visitors and residents are strongly advised to take precautions during these high-risk months—specifically January to April and September to November—by wearing protective clothing, using sunscreen, and limiting their time in direct sunlight to mitigate the risk of UV-related harm.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Swakopmund UVI | 14 | 14 | 12 | 11 | 8 | 6 | 6 | 8 | 11 | 12 | 13 | 14 |
| Walvis Bay UVI | 14 | 14 | 12 | 11 | 8 | 6 | 6 | 8 | 11 | 12 | 13 | 14 |
| Katima Mulilo | 17 | 15 | 14 | 13 | 10 | 8 | 8 | 10 | 12 | 12 | 15 | 15 |
| Windhoek UVI | 16 | 17 | 14 | 12 | 9 | 7 | 7 | 10 | 12 | 14 | 15 | 16 |
| Rundu UVI | 17 | 17 | 15 | 13 | 10 | 8 | 8 | 10 | 12 | 12 | 15 | 15 |
| Oshakati UVI | 17 | 17 | 16 | 13 | 10 | 9 | 9 | 11 | 13 | 14 | 15 | 16 |