Last updated: July 2, 2025
In Otavi, Namibia, staying informed about the UV Index is crucial for safeguarding your skin health against the sun's harmful rays. With UV levels peaking at a significant 8 during midday, understanding these fluctuations can help you take proactive steps to prevent sunburn and long-term skin damage. Otavi's semi-arid climate brings warm temperatures and high sun exposure, making it essential to be aware of UV risks, especially during the hottest parts of the day. Equip yourself with knowledge and enjoy the sun safely!
The UV Index reveals a dynamic daily pattern, starting from a minimum of 0 at 7:00 AM. As the sun rises, the index slowly climbs, reaching 1 at 8:00 AM and 2 at 9:00 AM. By 10:00 AM, it spikes to a moderate 4, indicating the need for some sun protection. The day's peak arrives at 1:00 PM, where the UV Index hits an impressive 8, highlighting the importance of staying shaded and applying sunscreen. Following this zenith, the index slowly declines, with values of 7 at 2:00 PM and 5 at 3:00 PM, before tapering off to 3 at 4:00 PM. The evening hours bring a return to lower levels, dropping to 1 by 5:00 PM and settling back to 0 by 7:00 PM, signaling a safe end to sun exposure for the day.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 0 | low | 45 min |
08:00 | 1 | low | 45 min |
09:00 | 2 | low | 45 min |
10:00 | 4 | moderate | 30 min |
11:00 | 6 | high | 25 min |
12:00 | 7 | high | 25 min |
13:00 | 8 | very high | 15 min |
14:00 | 7 | high | 25 min |
15:00 | 5 | moderate | 30 min |
16:00 | 3 | moderate | 30 min |
17:00 | 1 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 0 | low | 45 min |
The UV Index shows significant seasonal variations, with extreme levels persisting from January to April and again in September to November, indicating a high risk of harmful sun exposure during these months. Notably, January and February reach their peak UV Index of 16-17, translating to a burn time of just 10 minutes. As we transition into May through August, the UV Index drops to very high levels (between 8 and 10), allowing for slightly longer burn times of 15 minutes. As summer ends in September, the UV Index spikes back to 13, maintaining the extreme classification through October. Given the high UV exposure during these periods, it is essential for visitors and residents to adopt protective measures such as wearing sunscreen, protective clothing, and sunglasses, and seeking shade during peak sunlight hours to minimize skin damage.
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 |
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 |
Otavi | 16 | 17 | 14 | 13 | 9 | 8 | 8 | 10 | 13 | 13 | 15 | 16 |
Oshakati UVI | 17 | 17 | 16 | 13 | 10 | 9 | 9 | 11 | 13 | 14 | 15 | 16 |