Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Lisburn, United Kingdom, where the climate can lead to varying UV exposure throughout the year. Awareness of UV levels not only helps in preventing sunburn but also plays a significant role in maintaining long-term skin health. With typical UV readings in Lisburn peaking at a moderate 8 during the summer months, it's essential to stay informed to protect yourself and your family from potential risks associated with overexposure to the sun. By monitoring the UV Index, you can make informed decisions about when to enjoy the outdoors while safeguarding your skin from harmful effects.
As the sun rises, the UV Index begins its gradual ascent, starting at a modest 1 at 07:00. The intensity picks up swiftly, reaching 3 by 09:00 and climbing to a noteworthy 5 by 10:00. By 11:00, it peaks at 6, but the real heat hits around 12:00 with a maximum of 7. The index reaches its zenith at 13:00 and 14:00, both clocking in at a strong 8, signaling the need for sun protection. A gentle decline follows, tapering off to 7 at 15:00, then easing further to 5 by 16:00. As the day winds down, the UV Index drops to 4 at 17:00, before settling back to 2 at 18:00 and finally concluding the day at a low 1 by 19:00. Make sure to take precautions during those peak hours to stay safe in the sun!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index experiences notable fluctuations, signaling varying levels of sun exposure risk. January and February present low risk with an index of 1-2 and a burn time of 45 minutes, making them safer months for sun exposure. As spring approaches, March and April show a moderate increase, reaching an index of 4-5, with a reduced burn time of 30 minutes. The peak risk occurs in the summer months of May to July, with the UV Index soaring to 7-8 and corresponding burn times dropping to 15-25 minutes. August sees a slight decline to an index of 6, still in the high category, while September and October return to moderate levels of 5-3. Moving into winter, November and December revert to low exposure risks with indexes of 2-1 and longer burn times. For visitors and residents, it is crucial to be particularly cautious from May through July, ensuring proper sun protection measures such as sunscreen and clothing during these high-risk months, while enjoying the outdoors safely during the lower-risk periods.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lisburn | 1 | 2 | 4 | 5 | 7 | 8 | 8 | 6 | 5 | 3 | 2 | 1 |
| Liverpool UVI | 1 | 2 | 3 | 5 | 7 | 8 | 8 | 7 | 5 | 3 | 2 | 1 |
| Sheffield UVI | 1 | 2 | 4 | 5 | 7 | 8 | 8 | 7 | 5 | 4 | 2 | 1 |
| Birmingham UVI | 1 | 2 | 4 | 5 | 7 | 8 | 8 | 7 | 6 | 4 | 2 | 1 |
| London UVI | 1 | 2 | 4 | 5 | 7 | 8 | 8 | 7 | 6 | 4 | 2 | 1 |
| Bristol UVI | 1 | 2 | 4 | 5 | 7 | 8 | 8 | 7 | 6 | 4 | 2 | 1 |