Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Opua, New Zealand, where the combination of a temperate climate and varying sun exposure can impact skin health. Being aware of UV levels helps prevent sunburn and long-term skin damage, making it essential for everyone to check daily UV ratings. Typically, Opua experiences mild temperatures, but during peak hours—especially between 10 AM to 2 PM—the UV Index can reach levels of 3, indicating a moderate risk of harm from unprotected sun exposure. So, whether you're enjoying the outdoors or just running errands, knowing the UV Index can help you take the necessary precautions to keep your skin safe and healthy!
The UV Index data reveals a gentle rise in sun exposure as the day unfolds. Starting from a calm 0 at 7:00 AM, the index gradually climbs to peak at 3 between 11:00 AM and 1:00 PM, signaling the most intense sun exposure during midday. As the clock ticks past 2:00 PM, the index gently declines, reaching a soothing 1 by late afternoon, before tapering off completely to 0 by 6:00 PM. For sun-seekers and outdoor enthusiasts, the midday hours demand precaution, while the early morning and late evening provide enjoyable, low-UVI moments.
| 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 | 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 variation, with the highest values occurring during the winter months of January, February, and December, where an extreme risk level is present (UV Index 14) with a burn time of just 10 minutes. March also remains perilous with a UV Index of 11, classified as extreme. As spring approaches, April sees a decrease to a very high level (UV Index 8), while May and June shift to a moderate range (UV Index 5 and 3, respectively), allowing for longer exposure times of 30 minutes. In the late summer and early fall, UV levels remain moderate but peak again in September (UV Index 7), transitioning to a very high level in October (UV Index 10) and rising back to extreme in November (UV Index 12). Residents and visitors should take precautions during the high-risk months of January, February, March, October, and November by wearing protective clothing, applying sunscreen frequently, and limiting direct sunlight exposure to mitigate the risk of 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 |
| 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 |
| Opua | 14 | 14 | 11 | 8 | 5 | 3 | 3 | 5 | 7 | 10 | 12 | 14 |