Last updated: May 3, 2025
Understanding the UV Index is crucial for residents of Rainhill, United Kingdom, as it serves as a daily indicator of the potential harm from sun exposure. With UV levels rising significantly, particularly during midday hours, being aware of these fluctuations can aid in preventing sunburn and protecting your skin health. The maritime temperate climate of Rainhill brings its unique challenges, and while the area may experience cool, cloudy days, it’s essential to remain vigilant during sunnier periods when UV exposure can still pose risks. Stay informed and enjoy the outdoors safely!
The UV Index data illustrates a dynamic daily fluctuation in sun intensity. Starting the day at a gentle 1 at 7:00 AM, the UV exposure gradually increases, peaking at 7 between 1:00 PM and 2:00 PM—the optimal time for sun safety precautions. After this peak, the index steadily declines, returning to a mild 1 by 7:00 PM. The highest readings at 11:00 AM and 12:00 PM emphasize the need for protective measures during the midday hours. Plan your outdoor activities wisely to enjoy the sunshine while staying protected.
| 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 | 4 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 6 | high | 25 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 3 | 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 falling between May and August. In May, the UV Index reaches 7 (high), indicating a burn time of just 25 minutes, while June and July peak at 8 (very high), reducing burn time further to just 15 minutes. As summer fades, UV levels decrease, dropping to 5 in September and 4 in October, before returning to low levels of 1 or 2 during the winter months of November to February. Visitors and residents should be particularly vigilant during the high-risk months, ensuring proper sun protection, such as wearing sunscreen, protective clothing, and seeking shade, especially during midday when the sun's intensity is greatest.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Liverpool UVI | 1 | 2 | 3 | 5 | 7 | 8 | 8 | 7 | 5 | 3 | 2 | 1 |
| Rainhill | 1 | 2 | 3 | 5 | 7 | 8 | 8 | 7 | 5 | 4 | 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 |