UV Index in Wanaka, New Zealand

Last updated: August 1, 2025

Understanding the UV Index in Wanaka, New Zealand is crucial for safeguarding your skin and overall health. With the region's stunning outdoor environment, being aware of UV levels helps you prevent sunburn and long-term skin damage. The Cfb climate brings relatively mild temperatures, but don’t be fooled—UV exposure can still pose a risk, especially during midday hours. With values peaking at 2 around noon, it’s essential to stay informed and take precautions to enjoy the beautiful landscapes while keeping your skin protected.

Hourly UV Index in Wanaka

The UV Index data reveals a gradual increase in sun intensity throughout the morning, starting from a safe 0 at 07:00 and 08:00. As the day progresses, the index reaches its peak of 2 during midday, specifically at 11:00, 12:00, 13:00, and 14:00—a time when sun protection is advisable. After this peak, the UV levels gently decline to 1 by 15:00 and remain steady until 17:00, before dropping back to 0 in the evening hours at 18:00 and 19:00. This data underscores the importance of being sun-smart during those peak hours!

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
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	4	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	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Wanaka

The UV Index exhibits significant seasonal variation, with the highest levels occurring in the winter and late fall months. Notably, January and December showcase an extreme exposure category (UV Index 13), with a burn time of just 10 minutes. February and November also pose high risks at a UV Index of 12 and 10 respectively, categorized as extreme and very high. The risk moderates slightly in the spring, peaking in March at 9 (very high) and tapering off by May. June and July see lower indices (2, low exposure) but increase again in August and September. Given these fluctuations, it is crucial for visitors and residents to take proactive measures, particularly from January to February and October to November, by applying broad-spectrum sunscreen, wearing protective clothing, and seeking shade during peak sun hours to minimize the risk of harmful UV exposure.

Monthly Maximum UV Index for Wanaka, New Zealand

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Wanaka. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.

Data source: Statistical UV Index data for Wanaka, based on information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

Compare Wanaka UV Index with Other New Zealand Cities

The table above highlights how UV exposure in Wanaka compares to other major locations across New Zealand. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Wanaka's solar exposure compared to other cities in New Zealand. Generated using Copernicus Atmosphere Monitoring Service information.
	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
Wanaka	13	12	9	6	3	2	2	4	5	9	10	13
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