Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Luwero, Uganda, where the sun's rays can pose significant risks to skin health. With the region's tropical climate, typical UV exposure can reach alarming levels, especially during midday hours when the index spikes. Being aware of UV levels helps in preventing sunburn and long-term skin damage, allowing you to enjoy the outdoors safely. On average, the UV Index in Luwero hits its peak between noon and early afternoon, where levels soar to 11, indicating very high risk. Stay informed and protect your skin to make the most of Luwero's beautiful sunny days!
The UV Index today begins its climb gently at 1 early in the morning, peaking as the sun reaches higher into the sky. By 09:00, it registers a moderate 3, but from 10:00 onwards, the intensity escalates sharply, hitting 5 and then soaring to a remarkable 11 by noon. The peak persists through 13:00, holding steady at 11, a clear signal to take sun protection seriously. As the afternoon unfolds, the index gradually recedes, dropping to 10 at 14:00, and further declining to 7 by 15:00. The UV Index continues to diminish as the day winds down, settling at 4 by 16:00, then slipping to 2 at 17:00, and finally returning to a safe 1 by 18:00. The day ends on a low note of 0 at 19:00, providing a much-needed respite from the sun’s rays. Stay protected during those peak hours!
| 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 | 8 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, the UV Index remains consistently high, with levels categorized as extreme from January to November. January to April sees the peak UV Index at 15, indicating an urgent need for protection within just 10 minutes of sun exposure. The summer months, including June, July, and August, maintain a slightly lower but still significant index between 11 and 12, while September through November levels range from 12 to 13. This indicates that the risk of skin damage is prevalent year-round, particularly in the high-risk months of January through April, where travelers and residents alike should take precautionary measures. It is essential for everyone to use broad-spectrum sunscreen, wear protective clothing, and seek shade to minimize the risk of harmful UV exposure throughout all seasons.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Kampala UVI | 14 | 15 | 16 | 15 | 13 | 11 | 11 | 12 | 13 | 12 | 12 | 12 |
| Jinja UVI | 14 | 15 | 16 | 15 | 13 | 11 | 11 | 12 | 13 | 12 | 12 | 12 |
| Luwero | 14 | 15 | 15 | 15 | 13 | 12 | 11 | 12 | 13 | 13 | 12 | 12 |
| Gulu UVI | 14 | 15 | 16 | 15 | 14 | 12 | 12 | 13 | 14 | 13 | 12 | 12 |
| Lira UVI | 14 | 15 | 16 | 15 | 14 | 12 | 12 | 12 | 13 | 13 | 12 | 12 |
| Mbarara UVI | 14 | 15 | 16 | 15 | 14 | 12 | 12 | 13 | 14 | 13 | 12 | 12 |