Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Penistone, United Kingdom, as it plays a vital role in protecting your skin from harmful sun exposure. With the potential for high UV levels, particularly during midday when readings reach up to 8, it's important to be aware of the risks of sunburn and long-term skin damage. Penistone, situated in a Cfb climate zone, experiences varied weather patterns that can influence UV exposure, so knowing when the sun is strongest helps ensure your skin health remains a priority. Stay informed, stay safe, and enjoy the sunshine wisely!
As the sun rises at 7:00 AM, the UV Index starts low at 1, gradually climbing to a moderate 2 by 8:00 AM. The intensity continues to increase, hitting 3 by 9:00 AM and reaching 5 at 10:00 AM. The peak of the day arrives at 12:00 PM with a solid 7, before soaring to a high point of 8 by 1:00 PM and remaining there until 2:00 PM. The UV Index then begins to decline, dropping to 7 by 3:00 PM, 5 by 4:00 PM, and further falling to 3 at 5:00 PM. As daylight fades, the index softens to 2 by 6:00 PM and finally returns to 1 by 7:00 PM. Staying protected from the sun is important as the midday hours present the highest UV levels!
| 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 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV Index values fluctuate significantly, indicating varying levels of sun exposure risk. The high-risk months are from May to August, where the UV Index reaches its peak at 7-8, classifying them as high to very high exposure. Specifically, June and July present the greatest risk, with a burn time of only 15 minutes. In contrast, the winter months (January, February, November, and December) show a low exposure category with UV Index values of 1-2, allowing for longer safe sun exposure (up to 45 minutes). To ensure safety, it is advisable for visitors and residents to take protective measures during the high UV months, such as wearing sunscreen, protective clothing, and seeking shade, especially during midday hours.
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 |
| Penistone | 1 | 2 | 4 | 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 |