Last updated: June 2, 2025
In Karasburg, Namibia, being aware of the UV Index is crucial for safeguarding your health. Understanding UV levels helps prevent sunburn and promotes long-term skin health, particularly in a region known for its hot semi-arid climate. With peak UV exposure typically occurring between 11:00 AM and 1:00 PM, residents and visitors alike should be mindful of the risks associated with high UV readings, which can reach up to 5 on the scale. By staying informed about the UV Index, you can enjoy the sunny landscapes of Karasburg while taking the necessary precautions to protect yourself from harmful rays.
The UV Index for today paints a story of a steadily rising sun, reaching its peak in the early afternoon. Starting at 0 at 7 AM, the index climbs cautiously to 1 by 8 AM and remains at this level until 10 AM. As the day progresses, the UV intensity spikes to 4 by 11 AM and reaches its maximum of 5 at both 12 PM and 1 PM, urging sunseekers to apply that sunscreen! The afternoon sees a gradual decline, with the UV Index dipping back to 4 at 2 PM, then 3 at 3 PM, falling further to 2 by 4 PM. As evening approaches, the UV levels drop to 1 by 5 PM, finally settling back to 0 as the sun sets. Stay sun-safe during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 0 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 1 | low | 45 min |
| 10:00 | 3 | moderate | 30 min |
| 11:00 | 4 | moderate | 30 min |
| 12:00 | 5 | moderate | 30 min |
| 13:00 | 5 | moderate | 30 min |
| 14:00 | 4 | moderate | 30 min |
| 15:00 | 3 | 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 fluctuations, with the highest levels occurring during the early months of the year. From January to March, the UV Index remains in the extreme category, peaking at 16 in both February and December, where the burn time is a mere 10 minutes. April sees a slight decrease to 10, categorized as very high, allowing for a slightly longer burn time of 15 minutes. As we move into May through July, the UV Index drops to high, providing longer burn times of 25 to 30 minutes. However, August returns to very high at 8, before ramping back up to extreme levels from September to November. Given this data, visitors and residents should be particularly cautious during the high-risk months of January, February, March, September, October, and November, where protective measures against sun exposure are crucial. It is advised to wear sunscreen, seek shade, and limit sun exposure, especially during midday hours when the UV rays are strongest.
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 |
| Karasburg | 15 | 16 | 13 | 10 | 7 | 5 | 6 | 8 | 11 | 13 | 14 | 16 |
| 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 |