UV Index in Nelson, New Zealand

Last updated: June 2, 2025

Understanding the UV Index in Nelson, New Zealand is essential for protecting your skin and overall health. With the region's moderate climate and exposure to the sun, awareness of UV levels can significantly reduce your risk of sunburn and long-term skin damage. During peak hours, especially around midday, UV levels can rise to 2, making it crucial to take preventive measures. By staying informed about the UV Index, you can enjoy the stunning outdoors of Nelson while prioritizing your skin's health and safety.

Hourly UV Index in Nelson

The UV Index shows a gradual ascent throughout the morning, beginning at 0 at 07:00 and reaching a peak of 2 between 11:00 and 14:00. From 08:00 to 10:00, the index remains at 1, indicating a low risk of harm from unprotected sun exposure. As the afternoon approaches, the UV levels remain stable at 2 during the midday hours, suggesting a moderate risk, before tapering off later in the day. By 15:00, the index drops back to 1 and eventually returns to 0 by the evening, signaling a safe end to sun exposure as daylight fades. Enjoy the sun wisely!

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	1	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

Monthly UV Index Trends in Nelson

Throughout the year, the UV Index experiences significant fluctuations, with the highest risk occurring in the winter and late fall months of January, February, November, and December, where it reaches a critical level of 13, categorized as extreme, with a burn time of only 10 minutes. As spring approaches, March and October see a drop to a very high level of 9, while April and September present a high risk with indices of 7 and 6, respectively, allowing for longer burn times of 25 minutes. May and August show moderate levels at 4, offering burn times of 30 minutes, whereas the summer months of June and July maintain a low risk at 2, with extended burn times of 45 minutes. It is essential for both visitors and residents to take precautions, especially during the high-risk months from January to February and November to December, by using sunscreen, wearing protective clothing, and seeking shade to minimize UV exposure.

Monthly Maximum UV Index for Nelson, New Zealand

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Nelson. 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 Nelson, 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 Nelson UV Index with Other New Zealand Cities

The table above highlights how UV exposure in Nelson 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.

Nelson'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
Wellington UVI	13	13	9	7	4	2	2	4	6	9	10	13
Nelson	13	13	9	7	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