Last updated: July 2, 2025
In Tolaga Bay, New Zealand, being aware of the UV Index is crucial for protecting your skin and maintaining your overall health. Understanding UV levels helps in preventing sunburn and reducing the risk of skin damage, especially in a region where the climate is classified as Cfb—characterized by mild temperatures and moderate sunshine. With the peak UV Index reaching 3 around midday, residents and visitors alike should take precautions during these hours to safeguard against harmful UV exposure. By staying informed about local UV levels, you can enjoy the beautiful outdoors while keeping 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 |
Throughout the year, the UV Index experiences significant variations, with the highest risk months being January, February, and November, where the index soars to 14, 13, and 11 respectively, all categorized as extreme with a rapid burn time of just 10 minutes. The spring months see a gradual decline, with March at 10 (very high) and April dropping to 7 (high), before transitioning into moderate levels in May and June with indices of 4 and 3. Moving into the fall, September and October reflect a rise again in risk, reaching levels of 6 and 9 (high and very high) that demand caution. As such, it’s crucial for both residents and visitors to stay vigilant, particularly during the extreme and very high months. Sunscreen application, protective clothing, and limited sun exposure are highly recommended, especially during peak sun hours.
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 |
| Tolaga Bay | 14 | 13 | 10 | 7 | 4 | 3 | 3 | 5 | 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 |