Last updated: June 2, 2025
Awareness of the UV Index is crucial for residents and visitors of Douglas, Isle of Man, particularly given its Cfb climate, which can amplify sun exposure risks. Understanding UV levels not only helps in preventing painful sunburns but also plays a significant role in maintaining long-term skin health. During the day, UV readings can soar as high as 8, peaking around midday, which emphasizes the need for sun safety measures. By keeping an eye on the UV Index, you can enjoy the beautiful outdoors while protecting your skin from potential damage.
The hourly UV Index data reveals a fascinating story of sun exposure throughout the day. Starting at 1 at 07:00, the index steadily climbs to 8 by 12:00, reaching its peak intensity during the peak sun hours from 12:00 to 14:00. Here, the UV levels maintain a high 8, urging sun lovers to take precautions against harmful rays. As the afternoon transitions into the evening, the index gradually declines, tapering off to 4 by 17:00, and finally sinking back to 1 by 19:00. This data makes it clear: the sun's reach is strongest mid-day, and mindful sun safety is essential for those enjoying outdoor activities during these hours.
| 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 | 8 | very high | 15 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, UV exposure significantly varies, with the highest risk months occurring from June to August, when the UV Index peaks at 8 during June and July, indicating a very high exposure category and a quick burn time of just 15 minutes. As the year progresses, UV levels start low in January and February, and gradually rise through March and April, reaching moderate levels (3 and 5) before hitting high levels in May. Conversely, from September to December, UV exposure decreases, returning to low by late fall. Residents and visitors are advised to take precautions during the high-risk months, such as wearing sunscreen, protective clothing, and seeking shade, particularly during peak sunlight hours, to minimize the risk of sunburn and skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Peel UVI | 1 | 2 | 3 | 5 | 6 | 8 | 8 | 6 | 5 | 3 | 2 | 1 |
| Douglas | 1 | 2 | 3 | 5 | 6 | 8 | 8 | 6 | 5 | 3 | 2 | 1 |
| Ramsey UVI | 1 | 2 | 3 | 5 | 6 | 8 | 8 | 6 | 5 | 3 | 2 | 1 |
| Castletown UVI | 1 | 2 | 3 | 5 | 7 | 8 | 8 | 7 | 5 | 3 | 2 | 1 |
| Port Erin UVI | 1 | 2 | 3 | 5 | 7 | 8 | 8 | 7 | 5 | 3 | 2 | 1 |