Last updated: May 3, 2025
In Rapaura, New Zealand, awareness of the UV Index is crucial for safeguarding your skin. Understanding UV levels is not just about avoiding sunburn; it's essential for maintaining long-term skin health and reducing the risk of skin cancer. With a temperate maritime climate (Cfb), Rapaura experiences varying UV exposure throughout the year, peaking at a UV Index of 4 during midday. This makes it vital to stay informed and take protective measures, especially during the sunniest hours, to enjoy the great outdoors safely.
The UV Index for the day unfolds a fascinating journey through the hours, starting with a maximum of 0 at 7:00 AM, indicating a safe start to the morning. As the sun ascends, the index gradually climbs to 1 by 8:00 AM and 9:00 AM, hinting at a gentle rise in UV exposure. By 10:00 AM, the UV Index reaches 2, marking the beginning of a moderate risk period. The intensity peaks at 12:00 PM with a high of 4, prompting sun safety measures to avoid overexposure. As the afternoon progresses, the index recedes slightly, stabilizing at 3 from 11:00 AM to 14:00 PM, before tapering off to 1 by 16:00 PM, and finally returning to 0 by the evening. This daily UV cycle highlights the importance of sun safety, especially during midday hours when UV radiation is strongest.
| 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 | 4 | moderate | 30 min |
| 13:00 | 3 | 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 |
Throughout the year, the UV Index experiences significant fluctuations, with the highest risk occurring in the winter and late fall months of January, February, November, and December, where it reaches a critical level of 13, categorized as extreme, with a burn time of only 10 minutes. As spring approaches, March and October see a drop to a very high level of 9, while April and September present a high risk with indices of 7 and 6, respectively, allowing for longer burn times of 25 minutes. May and August show moderate levels at 4, offering burn times of 30 minutes, whereas the summer months of June and July maintain a low risk at 2, with extended burn times of 45 minutes. It is essential for both visitors and residents to take precautions, especially during the high-risk months from January to February and November to December, by using sunscreen, wearing protective clothing, and seeking shade to minimize UV exposure.
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 |
| Rapaura | 13 | 13 | 9 | 7 | 4 | 2 | 2 | 4 | 6 | 9 | 11 | 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 |