Last updated: July 2, 2025
Understanding the UV Index in Ngaio, New Zealand is crucial for protecting your skin and overall health. By being aware of UV levels, you can take proactive steps to prevent sunburn and reduce the risk of long-term skin damage. Ngaio's temperate climate brings unique challenges, with UV exposure peaking during midday hours. With typical UV Index readings reaching 2 during the height of the day, it’s essential to stay informed and take appropriate precautions to enjoy the sun safely.
The UV Index throughout the day reveals a gradual ascent as the sun climbs high in the sky. Starting at a maximum of 0 at 07:00, the index slowly advances to 1 from 08:00 to 10:00. By 11:00, it reaches 2, peaking at this level from 12:00 to 14:00, indicating a moderate risk for harm from unprotected sun exposure. As the afternoon wanes, the UV intensity begins to taper off, descending to 1 by 15:00 and then returning to 0 by 18:00. This hourly fluctuation emphasizes the importance of being sun-smart during those midday hours when the UV Index is at its peak.
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 | 1 | low | 45 min |
11:00 | 2 | low | 45 min |
12:00 | 2 | low | 45 min |
13:00 | 2 | low | 45 min |
14:00 | 2 | low | 45 min |
15:00 | 1 | 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 |
The UV Index shows significant seasonal changes, with the highest risk occurring from January to February and December, where the index peaks at 13 and is categorized as extreme, indicating a burn time of just 10 minutes. March and November follow closely, with a very high index of 9 to 10, suggesting a burn time of 15 minutes. The high-risk months are therefore primarily winter and late fall, making it essential for visitors and residents to exercise caution during these periods. During the spring, the index reduces to 7 in April, and moderate levels can be found in May and August, while June and July have low UV exposure, allowing for safer outdoor activities. To protect skin health, it's advisable to wear sunscreen, protective clothing, and seek shade during peak UV hours, particularly in high-risk months.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Christchurch UVI | 13 | 12 | 9 | 6 | 3 | 2 | 2 | 3 | 5 | 9 | 10 | 12 |
Ngaio | 13 | 13 | 9 | 7 | 4 | 2 | 2 | 4 | 6 | 9 | 10 | 13 |
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 |