UV Index in Arthur's Pass, New Zealand

Last updated: June 2, 2025

Understanding the UV Index in Arthur's Pass, New Zealand is crucial for maintaining your skin's health and preventing sunburn. As a region nestled in a Cfb climate zone, Arthur's Pass experiences varying UV exposure throughout the day, peaking around midday. By keeping an eye on UV levels, you can take proactive measures to protect yourself from harmful rays, especially during the higher index hours when the risk of skin damage increases. Be aware that even moderate UV readings can lead to adverse effects, so staying informed is key to enjoying the stunning outdoor beauty of this unique alpine environment safely.

Hourly UV Index in Arthur's Pass

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.
TimeUVICategoryTime to Burn
07:000low45 min
08:001low45 min
09:001low45 min
10:001low45 min
11:002low45 min
12:002low45 min
13:002low45 min
14:002low45 min
15:001low45 min
16:001low45 min
17:000low45 min
18:000low45 min
19:000low45 min

Monthly UV Index Trends in Arthur's Pass

Throughout the year, UV levels exhibit significant seasonal variations, with January, February, November, and December marked as high-risk months due to their extreme UV Index of 13, where the burn time is as short as 10 minutes. In the spring, specifically March, the UV Index declines to 9 (very high), allowing for a slightly longer burn time of 15 minutes. As summer approaches, UV levels decrease to moderate in May and July (UV Index 4 and 3 respectively), providing a burn time of 30 minutes, while June enjoys a low index of 2 with a burn time of 45 minutes. The trend picks up again in October and September, where the UV Index returns to high and moderate levels, respectively. To protect yourself from harmful UV exposure, it is crucial for both visitors and residents to take precautionary measures, particularly during the high-risk months, such as wearing sunscreen, protective clothing, and seeking shade during peak hours.

Monthly Maximum UV Index for Arthur's Pass, New Zealand

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Arthur's Pass. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec1313963234691113
Data source: Statistical UV Index data for Arthur's Pass, 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 Arthur's Pass UV Index with Other New Zealand Cities

The table above highlights how UV exposure in Arthur's Pass 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.
Arthur's Pass's solar exposure compared to other cities in New Zealand. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Christchurch UVI1312963223591012
Wellington UVI1313974224691013
Arthur's Pass1313964234691113
Hamilton UVI141410743357101113
Manukau City UVI141410743357101113
Auckland UVI141410743357101113