UV Index in Castlepoint, New Zealand

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in Castlepoint, New Zealand, where the climate can impact sun exposure significantly. Being aware of UV levels is essential for preventing sunburn and protecting overall skin health—especially during those peak hours from 10 AM to 2 PM, when UV radiation reaches levels of 2. Castlepoint’s temperate climate offers many sunny days, but it still poses unique UV risks that warrant vigilance. Keep an eye on the UV Index to enjoy the outdoors safely while protecting your skin!

Hourly UV Index in Castlepoint

During the early hours, the UV Index remains low, starting at a comfortable 0 at 07:00. As the sun rises, it gradually climbs to 2 by late morning, peaking at 2 from 10:00 through 14:00. This indicates a moderate level of UV radiation, making it a good time to enjoy outdoor activities while still taking precautions. As afternoon transitions into evening, the index dips back down to 1 between 15:00 and 17:00, finally returning to 0 after 18:00. Overall, it's a day where staying mindful of sun exposure is essential during 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	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	1	low	45 min
18:00	0	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Castlepoint

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 Castlepoint, New Zealand

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

The table above highlights how UV exposure in Castlepoint 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.

Castlepoint'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
Castlepoint	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