Last updated: July 2, 2025
In Lostwithiel, United Kingdom, being aware of the UV Index is crucial for protecting your skin and maintaining overall health. Understanding UV levels can help residents and visitors alike prevent sunburn and long-term skin damage, especially during the peak hours when the index reaches a maximum of 8 around midday. Lostwithiel's Cfb climate typically brings mild summers, but when the sun is shining, UV exposure can still pose risks. Stay informed and keep your skin safe by checking the UV Index before heading outdoors!
The UV Index fluctuates throughout the day, reaching its peak of 8 between noon and 2 PM. Early risers will notice a gentle start, with levels at just 1 at 7 AM. As the sun climbs higher, the index rises steadily, hitting 5 by 10 AM and 6 by 11 AM. By 12 PM, the intensity peaks, prompting caution for those outdoors. After this midday surge, the index begins a gradual decline, dropping to 7 at 3 PM, and falling further to 4 by 5 PM. As evening approaches, UV levels decrease significantly, resting at 1 by 7 PM. It’s a clear reminder to stay sun-safe during those peak 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 | 6 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index experiences notable changes throughout the year, with high-risk months typically occurring from April to August. In this period, the UV Index peaks at 9 in June, indicating a very high risk of harm from unprotected sun exposure, where the burn time drops to just 15 minutes. As spring transitions to summer, individuals should be especially vigilant, with April (UV Index 6) and May (UV Index 7) also classified as high risk months, requiring shorter burn times of 25 minutes. Conversely, the beginning of the year and late fall see lower UV levels, with January and February maintaining a UV Index of 2 and a burn time of 45 minutes. Visitors and residents are advised to take appropriate precautions during the high-risk months, such as wearing sunscreen, hats, and sunglasses while seeking shade during peak sun hours, to protect against potential skin damage.
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 |
| 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 |
| Lostwithiel | 2 | 2 | 4 | 6 | 7 | 9 | 8 | 7 | 6 | 4 | 2 | 1 |