Last updated: August 1, 2025
Understanding the UV Index in Nyimba, Zambia is essential for protecting your skin and overall health. With high levels of ultraviolet radiation, especially during midday hours, awareness of UV levels can significantly aid in preventing sunburn and long-term damage. Nyimba's climate zone (Cwa) typically features warm conditions that, combined with the local sun exposure, create notable risks during peak UV times—particularly between 11:00 AM and 1:00 PM when the UV Index can soar to 9. By staying informed about the UV Index, residents and visitors can take proactive steps to enjoy the sunny days while keeping their skin safe.
As the sun rises, the UV Index begins to climb steadily, hitting a low of 1 at 7:00 AM. By 8:00 AM, it nudges up to 2, signaling the start of a brighter day. The index peaks at 9 at 12:00 PM, marking the sun’s most intense rays and urging everyone outside to take precautions. As the afternoon unfolds, the index gradually declines—dropping to 8 by 1:00 PM, then easing to 3 by 3:00 PM, before plummeting to 0 after 6:00 PM. This data highlights the crucial midday hours when UV exposure is at its highest, emphasizing the need for sun protection during this window. Be sun-smart and enjoy your day!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 7 | 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 |
Throughout the year, UV Index levels exhibit significant seasonal variations, with the highest readings occurring during the first three months, peaking at 17 in January. The period from January to April consistently registers extreme exposure, requiring protective measures as burn time remains as low as 10 minutes. While UV intensity gradually decreases to very high levels in May and June, the risk remains notable, with burn times extending slightly to 15 minutes. The high-risk months for UV exposure are primarily from January through April, and to a lesser extent in August and September as levels climb back into the extreme category. Residents and visitors are strongly advised to take precautions during these months by wearing protective clothing, applying sunscreen regularly, and seeking shade to minimize the risk of skin damage. Staying informed about the daily UV Index can ensure safer outdoor experiences year-round.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nyimba | 17 | 16 | 15 | 13 | 10 | 9 | 9 | 11 | 13 | 12 | 14 | 15 |
| Lusaka UVI | 17 | 17 | 15 | 13 | 10 | 9 | 9 | 11 | 12 | 12 | 15 | 16 |
| Chingola UVI | 16 | 17 | 15 | 14 | 11 | 10 | 10 | 11 | 12 | 13 | 14 | 16 |
| Kitwe UVI | 16 | 17 | 16 | 14 | 11 | 10 | 9 | 11 | 12 | 13 | 15 | 16 |
| Kabwe UVI | 17 | 17 | 15 | 13 | 11 | 9 | 9 | 11 | 13 | 13 | 15 | 16 |
| Ndola UVI | 16 | 17 | 16 | 14 | 11 | 10 | 10 | 11 | 12 | 13 | 15 | 16 |