UV Index in Greerton, New Zealand

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents of Greerton, New Zealand, where the climate is classified as Cfb, characterized by mild temperatures and moderate sunlight exposure. Being aware of the UV levels not only helps in preventing sunburn but also plays a vital role in maintaining long-term skin health. With peak UV readings reaching 4 between 11:00 AM and 1:00 PM, it’s essential to take protective measures during these hours to mitigate risks associated with increased UV exposure, especially for those enjoying the outdoors. By staying informed about UV levels, you can enjoy the beautiful Greerton sunshine while keeping your skin safe!

Hourly UV Index in Greerton

The UV Index for the day reveals a gradual increase in solar intensity as the sun climbs higher. Starting from a mild 1 at 07:00 and 08:00, the index nudges to 2 by 09:00 and peaks at 4 between 11:00 and 13:00, indicating a notable amount of UV exposure. As the afternoon progresses, the value slightly tapers off to 3 at 14:00 and dwindles down to 2 by 15:00. The evening brings a steep decline, with the index dropping to 1 at 16:00 and then to 0 after 18:00. Stay protected during the midday hours when the UV Index is at its highest!

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	1	low	45 min
08:00	1	low	45 min
09:00	2	low	45 min
10:00	3	moderate	30 min
11:00	4	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	0	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Greerton

Throughout the year, UV Index levels and associated risks fluctuate significantly. The highest risk months are January, February, and November, with an extreme UV Index of 14 and burn times as quick as 10 minutes. The transition to spring brings a reduction in UV intensity, hitting a very high level of 10 in March, before tapering off to a moderate index of 4 in May and 3 from June through July. September and October see a rise again, with UV ratings in the high and very high categories respectively, reminding us that sun protection remains crucial even into fall. Visitors and residents are advised to take protective measures—such as wearing sunscreen, protective clothing, and hats—especially during the higher risk months to minimize the risk of UV-related skin damage.

Monthly Maximum UV Index for Greerton, New Zealand

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

The table above highlights how UV exposure in Greerton 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.

Greerton'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
Greerton	14	13	10	7	4	3	3	5	7	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