Last updated: May 3, 2025
In Ngongotaha, New Zealand, understanding the UV Index is vital for protecting your skin from harmful ultraviolet rays, especially during the sunnier months. With a climate classified as Cfb, where mild conditions can quickly lead to rising UV levels, knowing when to seek shade or apply sunscreen helps in preventing sunburn and maintaining long-term skin health. The UV Index in Ngongotaha typically peaks at 4 around midday, highlighting the importance of being vigilant during these hours. By keeping an eye on daily UV levels, you can enjoy the great outdoors while safeguarding your skin.
The UV Index for the day reveals a gradual increase in solar intensity as the sun climbs higher. Starting from a mild 1 at 07:00 and 08:00, the index nudges to 2 by 09:00 and peaks at 4 between 11:00 and 13:00, indicating a notable amount of UV exposure. As the afternoon progresses, the value slightly tapers off to 3 at 14:00 and dwindles down to 2 by 15:00. The evening brings a steep decline, with the index dropping to 1 at 16:00 and then to 0 after 18:00. Stay protected during the midday hours when the UV Index is at its highest!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 3 | moderate | 30 min |
| 11:00 | 4 | moderate | 30 min |
| 12:00 | 4 | moderate | 30 min |
| 13:00 | 4 | moderate | 30 min |
| 14:00 | 3 | moderate | 30 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 |
The UV Index experiences significant seasonal fluctuations, peaking during the winter months of January and February with an extreme index of 14, necessitating a burn time of only 10 minutes. Following that, March sees a drop to a very high index of 10, with a slightly extended burn time of 15 minutes. The UV exposure then decreases gradually into the spring and summer, reaching a moderate index of 4-5 by May through August, where the burn time stabilizes around 30 minutes. Notably, September sees a return to high levels (UV Index 7), while October peaks again at 9 under very high exposure. As the year closes, November and December bring extreme levels again, registering 11 and 13 respectively, with burn times back down to 10 minutes. Thus, visitors and residents are advised to exercise caution during the high-risk months of January, February, and November by employing sun protection measures, and to remain vigilant during the transitional months to reduce the risk of sunburn and long-term skin damage.
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 |
| 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 |
| Ngongotaha | 14 | 14 | 10 | 7 | 4 | 3 | 3 | 5 | 7 | 9 | 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 |