Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors of Sywell, United Kingdom, where the Cfb climate can present unique sun exposure risks. Knowing UV levels helps protect against sunburn and promotes long-term skin health, especially given the significant increase in UV intensity that peaks between 11 AM and 2 PM, reaching a level of 7 on the index. With typical summer days bringing heightened UV exposure, being informed about the daily UV Index can aid in making safe choices for outdoor activities and encourage the use of sunscreen, protective clothing, and other sun safety measures. Stay vigilant and enjoy the sun wisely!
The UV Index for today presents a dynamic picture of sun exposure, peaking at 7 between 12:00 PM and 1:00 PM. Starting off gently in the morning, the index rises from a modest 1 at 7:00 AM to a 2 by 8:00 AM. As the sun climbs higher, it reaches a significant 5 by 10:00 AM, before hitting a maximum of 6 by 11:00 AM. The index maintains this intensity through the early afternoon, summarizing a brief period of heightened ultraviolet radiation perfect for sun safety awareness. As the day progresses into 4:00 PM, it starts to cool down, decreasing to 4 by 16:00 PM, and gradually tapering off to 1 by dusk at 7:00 PM. Keeping track of these values is crucial for enjoying the outdoors 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 | 5 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 6 | high | 25 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 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 |
| Sheffield UVI | 1 | 2 | 4 | 5 | 7 | 8 | 8 | 7 | 5 | 4 | 2 | 1 |
| Sywell | 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 |