Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Kaikoura, New Zealand, where sun exposure can vary significantly throughout the day. With the potential for sunburn and long-term skin health issues, being aware of UV levels helps protect your skin from harmful effects. Kaikoura, characterized by its mild oceanic climate, presents unique UV exposure risks, especially around midday when the UV Index can reach up to 3. Stay informed and safe while enjoying the stunning coastal scenery and outdoor activities that this beautiful region has to offer!
At dawn, the UV Index starts at a maximum of 0 at 7:00 AM, indicating minimal exposure risk. As the day progresses, the UV levels subtly rise, reaching 1 by 8:00 and 9:00 AM. By 10:00 AM, the index reaches 2, continuing at this moderate level through 11:00 AM. The peak sunshine hours arrive at 12:00 PM, where the UV Index hits 3, marking a time to take extra precautions. As the afternoon unfolds, the levels gently dip back to 2 from 1:00 PM to 3:00 PM, before declining to 1 between 4:00 PM and 5:00 PM. The UV exposure decreases significantly as evening approaches, dropping back to 0 by 6:00 PM and remaining at that safe level until sunset. Remember to stay protected during the peak hours!
| 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 | 3 | moderate | 30 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 | 1 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, UV levels fluctuate significantly, with the highest risk months occurring from January to March and then again in November and December. During these months, the UV Index reaches extreme levels of 13, indicating a burn time of just 10 minutes, necessitating precautionary measures. As spring approaches, March brings a very high rating of 9, with a burn time of 15 minutes, while April and early fall months like September see a decrease to high levels with a UV Index of 6 (burn time 25 minutes). In the summer months of June and July, the index drops to low at 2, allowing for up to 45 minutes of exposure without significant risk. However, as August rolls in, it climbs back to moderate, reaching 4. Thus, it is imperative for visitors and residents to remain vigilant during the extreme and very high months, employing sun safety strategies like using sunscreen, wearing protective clothing, and seeking shade whenever necessary, particularly in the high-risk periods.
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 |
| Kaikoura | 13 | 13 | 9 | 6 | 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 |