Last updated: May 3, 2025
In Tinwald, New Zealand, staying informed about the UV Index is crucial for safeguarding your skin health under its Cfb climate, characterized by mild weather and varying sun exposure. Understanding UV levels helps in preventing sunburns and reducing long-term skin damage, ensuring that you can enjoy the beautiful outdoors without worry. While the UV index in Tinwald peaks at 3 during midday hours, it's essential to recognize that even lower levels can pose risks, particularly during peak sun hours. By being vigilant about UV index updates, residents and visitors can take proactive measures to protect their skin and enjoy the sun safely.
The UV Index throughout the day offers a clear insight into solar intensity, peaking at 3 between 11:00 AM and 1:00 PM, signaling moderate sun exposure. The day begins with 0 UV at 7:00 AM, gradually rising to 1 by 8:00 AM and maintaining a low level until 10:00 AM. As the sun climbs higher, the index reaches 2 by mid-morning and then stabilizes at 3 during the lunch hours, suggesting the need for sun protection. By mid-afternoon, numbers dip back to 2 and diminish further to 1 as the evening approaches. Finally, the UV Index returns to 0 after 6:00 PM, marking a transition into a safer time to enjoy the outdoors without risk of sunburn.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 0 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 1 | low | 45 min |
| 10:00 | 2 | low | 45 min |
| 11:00 | 3 | moderate | 30 min |
| 12:00 | 3 | moderate | 30 min |
| 13:00 | 3 | moderate | 30 min |
| 14:00 | 2 | low | 45 min |
| 15:00 | 2 | low | 45 min |
| 16:00 | 1 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, the UV Index demonstrates significant seasonal fluctuations, with the highest levels occurring during the winter months of January (13) and February (12), categorized as extreme with a rapid burn time of 10 minutes. The transition to spring sees a decrease, with March at 9 (very high) and April dropping to 6 (high). May marks a notable reduction to 3 (moderate) as temperatures warm up, continuing through the summer months of June and July where the index remains low at 2. As autumn approaches, the index rises again with October and November at 9 and 10 (very high), respectively, having burn times of just 15 minutes. Visitors and residents should exercise increased caution during the high-risk months of January, February, October, and November, ensuring proper sun protection measures such as sunscreen, hats, and protective clothing to minimize skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tinwald | 13 | 12 | 9 | 6 | 3 | 2 | 2 | 3 | 5 | 9 | 10 | 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 |