Last updated: June 2, 2025
In Normanby, New Zealand, understanding the UV Index is crucial for maintaining your skin health and preventing sunburn. With the region's Cfb climate, which features mild temperatures and moderate sunshine, it’s essential to be aware of UV levels throughout the day to protect yourself effectively. During peak hours, the UV Index can rise to 2, signifying a low risk of harm from unprotected sun exposure, but even these low levels can accumulate and affect your skin over time. By keeping an eye on the UV Index, you can enjoy the outdoors safely while safeguarding your skin against potential damage.
From the early hours of the day, the UV Index starts at 0 at 7:00 AM, indicating minimal risk. As the sun climbs higher, it gradually increases to 2 by 10:00 AM, peaking at 2 from 10:00 AM to 2:00 PM, which suggests a moderate risk for harm from unprotected sun exposure. After a brief peak, the index begins to decline again, returning to 1 by 3:00 PM and dropping to 0 by 5:00 PM, signaling a safe time to be outdoors without sun protection. Overall, it's a fairly mild day for UV exposure, making it a good time for outdoor activities—but remember to stay mindful of the midday sun!
| 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 | 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 | 0 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, UV index levels exhibit significant seasonal variation, with extreme levels occurring in January, February, November, and December, where burn times are as short as 10 minutes. The high-risk months for UV exposure are concentrated between January and February and again in November, necessitating extra precautions for residents and visitors alike. During these months, it is crucial to minimize direct sun exposure, wear protective clothing, and apply broad-spectrum sunscreen. As the year progresses into March and April, the UV index decreases but remains at very high and high levels respectively, with gradually increasing burn times. Visitors should remain vigilant, especially during spring and early fall, with the UV index picking up again in October. In contrast, the summer months of June through August present lower UV levels, categorized as moderate, allowing for safer outdoor activities, though sunscreen is still recommended. Ultimately, individuals should remain mindful of the UV index year-round to ensure their skin's protection from harmful UV radiation.
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 |
| Normanby | 14 | 13 | 9 | 7 | 4 | 2 | 3 | 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 |