Last updated: June 2, 2025
Understanding the UV Index is essential for residents of Winton, New Zealand, where sun exposure can pose significant risks despite the region's temperate Cfb climate. The UV Index indicates the strength of ultraviolet radiation from the sun, which can lead to sunburn and long-term skin health issues if precautions are not taken. With typical UV levels peaking around midday, it's crucial for locals to stay informed and protect themselves, especially during the warmer months when outdoor activities are common. Being aware of the UV Index not only helps in preventing immediate skin damage but also contributes to overall long-term health and well-being.
Throughout the day, the UV Index exhibits a distinct pattern, with the sun's intensity gradually increasing as the hours progress. From 07:00 to 08:00, the UV Index remains at a low level of 0, indicating minimal exposure risk. However, starting at 09:00, it slowly climbs to 1, maintaining this level until 16:00. This period, characterized by a sustained UV Index of 1, suggests that while the sun is visible, precautions like sunscreen and protective clothing are still advisable, especially during midday. As evening approaches, from 17:00 onward, the UV Index drops back to 0, signaling a return to safety from the sun's rays. It's a day that reminds us to enjoy the outdoors while staying sun-smart!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 0 | low | 45 min |
| 08:00 | 0 | low | 45 min |
| 09:00 | 1 | low | 45 min |
| 10:00 | 1 | low | 45 min |
| 11:00 | 1 | low | 45 min |
| 12:00 | 1 | low | 45 min |
| 13:00 | 1 | low | 45 min |
| 14:00 | 1 | low | 45 min |
| 15:00 | 1 | low | 45 min |
| 16:00 | 1 | low | 45 min |
| 17:00 | 0 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index exhibits significant seasonal variation, with the highest values occurring during the winter and late fall months. January and December are particularly concerning, both having an index of 12 and classified as extreme, with a burn time of just 10 minutes. Meanwhile, February and November also present high risks, with indices of 11 and 9, respectively, demanding similar caution. As spring approaches, the UV Index decreases, peaking at 8 in March and October, categorized as very high with a burn time of 15 minutes. By summer, the risk diminishes, with June and July classified as low, allowing for longer exposure times of 45 minutes. However, caution should still be taken in August and September, as the index returns to moderate levels at 3 and 5. Visitors and residents are advised to prioritize sun safety, especially from November to March, by wearing protective clothing, applying sunscreen frequently, and seeking shade during peak hours.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Winton | 12 | 11 | 8 | 5 | 3 | 2 | 2 | 3 | 5 | 8 | 9 | 12 |
| Christchurch UVI | 13 | 12 | 9 | 6 | 3 | 2 | 2 | 3 | 5 | 9 | 10 | 12 |
| Wellington UVI | 13 | 13 | 9 | 7 | 4 | 2 | 2 | 4 | 6 | 9 | 10 | 13 |
| Hamilton UVI | 14 | 14 | 10 | 7 | 4 | 3 | 3 | 5 | 7 | 10 | 11 | 13 |
| Manukau City UVI | 14 | 14 | 10 | 7 | 4 | 3 | 3 | 5 | 7 | 10 | 11 | 13 |
| Auckland UVI | 14 | 14 | 10 | 7 | 4 | 3 | 3 | 5 | 7 | 10 | 11 | 13 |