Last updated: July 2, 2025
In Tranent, United Kingdom, being aware of the UV Index is essential for protecting your skin health and preventing sunburn, especially during the sunnier months. With UV levels reaching up to 7 in midday hours, understanding these fluctuations can help you take appropriate precautions. The temperate maritime climate of Tranent, classified as Cfb, provides a unique blend of grey skies and sunny intervals, but even on overcast days, UV rays can cause damage. Stay informed about the UV Index to enjoy the outdoors safely while safeguarding your skin against harmful rays!
The UV Index starts off mildly low at 1 at 7:00 AM, gradually climbing throughout the morning. By 10:00 AM, it reaches a moderate 4, with significant exposure risk beginning around 11:00 AM as it spikes to 6. The highest levels occur from 12:00 PM to 2:00 PM, maintaining a strong 7 during peak hours—perfect for sun enthusiasts but a cause for caution. As the afternoon progresses, the index gradually declines, dropping to 4 by 5:00 PM and further down to 1 by 7:00 PM. This reveals a clear pattern: the midday sun offers the greatest intensity, so sun safety measures are crucial during those 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 | 4 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 6 | 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 Index levels show significant seasonal variation, with high-risk months typically occurring from May to August. In June, the UV Index peaks at 8, indicating a very high risk of harm from unprotected sun exposure, with a burn time reduced to just 15 minutes. Conversely, from January to February and again in November to December, the UV Index remains low (1-2), allowing for longer exposure times (up to 45 minutes) without significant risk. As such, for residents and visitors, it is strongly advised to take protective measures during the high UV months, particularly from May to July, which includes wearing sunscreen, protective clothing, and limiting sun exposure during peak hours. During the winter months, while the risk is lower, it's still wise to remain cautious as UV rays can still cause skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tranent | 1 | 2 | 3 | 5 | 6 | 8 | 7 | 6 | 5 | 3 | 1 | 1 |
| 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 |