Last updated: June 2, 2025
In Jajimaji, Nigeria, being aware of the UV Index is crucial for protecting your skin and overall health. The UV Index measures the strength of ultraviolet radiation from the sun, helping residents understand when sunburn can occur and guiding them in taking necessary precautions. With Jajimaji’s BSh climate, the sun can reach dangerously high UV levels, especially from late morning to early afternoon, where readings peak at 11—indicating a severe risk of harm. By recognizing these levels, inhabitants can enjoy the outdoors safely while minimizing risks to their skin.
At sunrise, the UV Index begins at a gentle 1, rising gradually to 2 by 8:00 AM. As the day unfolds, it peaks spectacularly at 11 around noon, indicating a high risk of harm from unprotected sun exposure. Between 10:00 AM and 1:00 PM, the index gains strength, reaching 10 at 11:00 AM, before gradually tapering off after 1:00 PM. By the afternoon, it dips to 6 at 3:00 PM and continues its decline to an evening low of 0 by 7:00 PM. It's vital to stay sun-safe during the midday peak, as the intensity of UV radiation can be significant!
| 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 | 8 | very high | 15 min |
| 15:00 | 6 | high | 25 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 experiences significant fluctuations throughout the year, with the highest risk months occurring from March to September, where values reach as high as 13, categorizing the exposure as extreme and resulting in a burn time of only 10 minutes. January and November show a very high level at 10, with slightly longer burn times of 15 minutes. As such, it is crucial for both visitors and residents to take precautions during these peak months by seeking shade, wearing protective clothing, and using sunscreen to minimize skin damage from intense UV radiation. Maintaining awareness of daily UV levels can also help safeguard against the risks associated with sun exposure.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lagos UVI | 10 | 10 | 11 | 13 | 12 | 11 | 11 | 11 | 12 | 11 | 9 | 8 |
| Port Harcourt UVI | 10 | 11 | 11 | 14 | 12 | 11 | 11 | 11 | 12 | 12 | 10 | 9 |
| Jajimaji | 10 | 11 | 13 | 12 | 11 | 11 | 13 | 12 | 13 | 11 | 10 | 10 |
| Ibadan UVI | 10 | 11 | 12 | 14 | 12 | 12 | 12 | 12 | 13 | 11 | 9 | 9 |
| Kano UVI | 10 | 12 | 13 | 11 | 11 | 11 | 12 | 13 | 12 | 11 | 10 | 10 |
| Kaduna UVI | 10 | 12 | 12 | 12 | 11 | 12 | 13 | 13 | 13 | 11 | 10 | 10 |