May Weather in Oneroa, New Zealand

Last updated: August 31, 2025

In May, Oneroa, New Zealand experiences a delightful blend of mild temperatures and refreshing rainfall. The maximum temperature reaches a comfortable 20°C (69°F), while the average hovers around 16°C (61°F), perfect for outdoor explorations. Nights can be cool, dipping to a minimum of 8°C (47°F). This month is characterized by 86 mm (3.4 in) of rain, spread across 12 days, contributing to the lush greenery of the region. With a humidity level of 80%, the air feels pleasantly crisp, making May a beautiful time to enjoy the natural beauty of Oneroa.

May Temperature in Oneroa

As May arrives in Oneroa, New Zealand, the temperatures begin to show a notable shift toward cooler conditions. With minimums dropping to 8°C (47°F), the crispness in the air is palpable, inviting a cozy atmosphere. The average temperature settles around 16°C (61°F), making it a pleasant time for outdoor activities before the chill of winter sets in. Daytime highs reach around 20°C (69°F), still warm enough to enjoy the stunning coastal scenery. Overall, May marks a transition from the warmer months, gently ushering in the cooler seasons while maintaining a charming, mild climate ideal for exploring Oneroa’s beautiful landscapes.

May Weather in Oneroa: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Oneroa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oneroa, May typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec686968646157555556596266
Data source: Temperature data for Oneroa generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Oneroa

In May, Oneroa experiences a moderate precipitation level of 86 mm (3.4 in), consistent with the region's trend of relatively high rainfall as autumn transitions into winter. With 12 days of rainfall, this month aligns closely with April's wetter conditions, which recorded 114 mm (4.5 in). Interestingly, the precipitation levels in May are notably higher than the preceding months of January and February, where rainfall was significantly lower. As the seasonal patterns progress, June typically brings even more moisture, evidenced by its average of 117 mm (4.6 in), suggesting that May acts as a bridge into the wetter winter months. This pattern highlights Oneroa’s climate as one marked by gradual increases in rainfall leading into the colder season, embodying the essence of New Zealand's unique weather dynamics.

May Precipitation Trends in Oneroa

The chart displays monthly precipitation patterns in Oneroa, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Oneroa, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec55839311486117100106106807470
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Oneroa

In May, Oneroa, New Zealand, experiences a notable rise in humidity, reaching 80%, which is a slight increase from the 74% recorded in the preceding months of March and April. This uptick marks a transition into winter, contributing to the region's lush, vibrant landscapes. Interestingly, as the year progresses, the humidity tends to hover between the high 70s and low 80s, with June and July peaking at 82% and 83%, respectively. This pattern indicates a consistent seasonal trend, where humidity remains relatively high, providing a uniquely refreshing atmosphere that characterizes the coastal charm of Oneroa throughout the year.

May Average Humidity in Oneroa

This chart illustrates the average monthly humidity levels in Oneroa, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Oneroa is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%76%74%75%80%82%83%81%80%80%80%78%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Oneroa

In May, Oneroa experiences a moderate UV Index of 4, significantly lower than the extreme levels seen in the height of summer, where indices soared to 14 in January and February. With a burn time of 30 minutes, this month offers a welcome reprieve for sun-seekers. As autumn settles in, the UV exposure remains well below the extremes, allowing residents and visitors to enjoy outdoor activities with a measure of safety. Looking ahead, the UV Index gradually decreases further into winter, highlighting the seasonal shifts in sun intensity. For detailed information and daily updates, check the Oneroa UV Index.

Maximum UV Index Levels in Oneroa for May

The chart shows the monthly maximum UV Index (UVI) for Oneroa in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Oneroa typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141410743357101113
Data source: Oneroa May UVI data generated using 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.

May Sunshine in Oneroa

In Oneroa, New Zealand, May embraces the gentle transition from the vibrant summer months, bringing a noticeable dip in sunshine hours to 216 hours. This reduction is part of a broader trend as the region shifts from January's sun-drenched 284 hours, peaking in November with an impressive 306 hours. While April's 235 hours hint at the incoming winter, May's sunshine sets the stage for the cooler months ahead. Despite this decline, Oneroa's weather remains inviting, with crisp autumn days leading into the winter months of June and July, which see even fewer hours of sunlight, yet still offer their unique charm. As the year progresses, the balance between sunlight and seasonal change crafts a beautiful narrative for Oneroa, making each month uniquely captivating.

Monthly Sunshine Duration in Oneroa: May Highlighted

The May sunshine duration represents the total number of hours Oneroa experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec284h282h287h235h216h187h214h234h259h284h306h346h
Data source: Oneroa May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Oneroa During May

In Oneroa, New Zealand, the likelihood of sunny weather in May mirrors the transitional trends of early autumn, with a sun chance of 41%. This figure aligns with the patterns observed in the preceding months of March and April, both hovering around the same level of sunshine potential. Interestingly, as we move towards the winter months, the chance of sun diminishes slightly, dropping to 40% in June and 43% in July. Overall, May shares a consistent probability of sunlight, indicating that while the days may be gradually getting shorter, there’s still a fair chance to bask in pleasant sunny spells.

Percentage of Sunny Days in May in Oneroa

The chart illustrates the percentage of sunny days in Oneroa throughout the year, with May highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Oneroa experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec50%44%45%41%41%40%43%43%38%29%38%27%
Data source: Oneroa May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Oneroa in May

In Oneroa, New Zealand, the daylight duration experiences a notable ebb and flow throughout the year. January starts strong with approximately 14 hours of daylight, inviting long summer days perfect for beach outings. As the months progress, daylight begins to gently recede, dropping to 11 hours in April and further down to 10 hours in May. This gradual dimming signals the onset of winter, with June and July offering the shortest span of daylight at only 9 hours. As spring approaches in August, daylight begins to extend again, climbing back to 10 hours and gradually increasing towards the 13 hours in October. This cyclical pattern culminates in November and December, where daylight peaks again at 14 hours, inviting sunseekers back to the vibrant shores of Oneroa. The dance of daylight not only marks the changing seasons but also frames the rhythm of life in this beautiful coastal locale.

Average Daylight Hours in Oneroa for May

The chart illustrates the variation in daylight duration in Oneroa throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 20m13h 26m12h 17m11h 7m10h 8m9h 39m9h 54m10h 44m11h 51m13h 1m14h 4m14h 36m
Data source: Oneroa daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Oneroa

In May, Oneroa, New Zealand, experiences a notable increase in average wind speed, reaching 5.4 m/s (12 mph). This trend sets the stage for the approaching winter months, as the winds progressively strengthen, leading into June at 5.5 m/s (12 mph) and July, which averages 6.0 m/s (13 mph). This gradual escalation highlights the transition to the cooler season, where breezy conditions become more prevalent. Interestingly, the early part of the year sees milder winds, with January through April hovering around 4.8 to 5.1 m/s (11 mph), creating a gentle atmosphere before the winds pick up. As summer gives way to autumn and then winter, nature unveils its dynamic character, gifting Oneroa's visitors with the refreshing vitality of May's winds.

Average May Wind Speed in Oneroa

The chart displays monthly wind speed patterns in Oneroa, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.85.14.95.15.4 m/s5.56.06.26.26.24.25.9
Data source: Oneroa May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Oneroa Compares to Other Months

Weather in Oneroa varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Oneroa, focusing on differences in temperature, rainfall, humidity, and UV levels.

In May, temperatures are generally cooler compared to January, with minimums around 8°C (47°F) and a maximum of 20°C (69°F), while January boasts warmer weather with minimums of 15°C (59°F) and highs reaching 26°C (78°F). Additionally, May experiences more precipitation, totaling 86 mm (3.4 in) over 12 days, in contrast to January's 55 mm (2.2 in) over just 5 days. Humidity levels remain similar, hovering around 80% in May and 79% in January, making both months feel relatively humid. For a detailed look at January weather, click here: Oneroa weather in January.

In comparing the weather of May and February, it's clear that February tends to be warmer, with an average temperature of 21°C (69°F) compared to May's 16°C (61°F). February also experiences higher maximum temperatures, reaching 26°C (79°F), while May peaks at 20°C (69°F). Precipitation levels are relatively similar, with February receiving 82 mm (3.2 inches) over 8 days and May accumulating 86 mm (3.4 inches) over 12 days, which suggests that May is slightly wetter. Additionally, February's humidity is marginally lower at 76% compared to May's 80%. For a detailed look at February weather in Oneroa, check out Oneroa weather in February.

When comparing the weather in May and March, it’s evident that March is generally warmer, with average temperatures reaching around 20°C (68°F) and maximums peaking at 24°C (76°F). In contrast, May sees cooler temperatures, averaging 16°C (61°F) and maxing out at 20°C (69°F). Additionally, March experiences slightly more precipitation at 93 mm (3.6 in) compared to May’s 86 mm (3.4 in), although both months have a similar number of rainy days. Humidity levels are also higher in May, sitting at 80% compared to March's 74%. For a closer look at March's weather specifics, you can visit Oneroa weather in March.

May brings slightly cooler temperatures compared to April, with a minimum of 8°C (47°F) and a maximum of 20°C (69°F), while April enjoys milder conditions with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 22°C (72°F). Despite having the same number of rainy days, May experiences less precipitation overall, totaling 86 mm (3.4 in) compared to April's 114 mm (4.5 in). Additionally, humidity levels in May are higher, averaging around 80% compared to April's 74%. For more detailed information about April's weather, you can check Oneroa weather in April.

When comparing the weather in May and June, we see a slight cooling trend. In May, temperatures range from a minimum of 8°C (47°F) to a maximum of 20°C (69°F), with an average temperature of 16°C (61°F). In contrast, June's temperatures are a bit lower, with an average of 14°C (57°F) and a maximum of 19°C (66°F) while maintaining the same minimum of 8°C (47°F). Rainfall also increases in June, with precipitation totaling 117 mm (4.6 in) over 11 days compared to May’s 86 mm (3.4 in) over 12 days. The humidity levels remain relatively similar, with May at 80% and June slightly higher at 82%. For more specific insights, you can visit Oneroa weather in June.

May and July exhibit distinct weather patterns, with May generally being milder. In May, temperatures range from a minimum of 8°C (47°F) to a maximum of 20°C (69°F), averaging around 16°C (61°F). The month sees about 86 mm (3.4 inches) of precipitation over 12 days and maintains a high humidity level of 80%. In contrast, July's temperatures drop slightly, with a minimum of 7°C (45°F) and a maximum of 17°C (63°F), averaging at 13°C (55°F). Precipitation increases to 100 mm (3.9 inches), also spread over 12 days, while humidity rises to 83%. For more detailed weather information, you can check Oneroa weather in July.

In comparing the weather between May and August, we see some notable differences. May typically enjoys higher average and maximum temperatures, reaching up to 20°C (69°F), while August sees a drop, with an average of only 13°C (56°F) and a maximum of 17°C (63°F). Precipitation is also more frequent in August, with 106 mm (4.2 in) falling over 14 days compared to May's 86 mm (3.4 in) across 12 days. Both months maintain consistent humidity levels at 80%, contributing to a rather damp atmosphere year-round. For a closer look at the specifics for August, you can check the following link: Oneroa weather in August.

May and September present distinct weather patterns, despite their similarities. In May, temperatures range from a minimum of 8°C (47°F) to a pleasant maximum of 20°C (69°F), with an average of 16°C (61°F). The month experiences about 86 mm (3.4 in) of rainfall over approximately 12 days, maintaining a humidity level of 80%. In contrast, September shows a slight decline in temperatures, with a minimum of 8°C (46°F) and a maximum of 18°C (64°F), averaging 13°C (56°F). This month also sees an increase in precipitation, totaling 106 mm (4.2 in) over 13 days, while humidity remains steady at 80%. For detailed insights into September weather, check the link: Oneroa weather in September.

In May, temperatures typically range from a minimum of 8°C (47°F) to a maximum of 20°C (69°F), with an average of 16°C (61°F). The month experiences around 86 mm (3.4 in) of precipitation over approximately 12 days, maintaining a humidity level of 80%. In contrast, October sees a slightly warmer minimum of 9°C (49°F) and a similar average of 15°C (59°F), with maximums reaching 19°C (67°F). Precipitation in October is slightly lower at 80 mm (3.2 in) over about 11 days, yet humidity remains constant at 80%. For more details, you can check Oneroa weather in October. Overall, while both months share similar humidity and precipitation levels, May offers slightly warmer daytime temperatures compared to October.

May and November present a similar yet distinct atmosphere in terms of weather conditions. In May, temperatures range from a minimum of 8°C (47°F) to a maximum of 20°C (69°F), with an average of 16°C (61°F). This month experiences more precipitation, totaling 86 mm (3.4 in) over approximately 12 days, while maintaining a humidity level of 80%. In contrast, November offers slightly milder temperatures, with a minimum of 12°C (54°F) and a maximum of 22°C (73°F), averaging 17°C (63°F). It has less rainfall, accumulating 74 mm (2.9 in) across about 11 days, yet still retains the same humidity level of 80%. For a closer look at November's climate, you can visit Oneroa weather in November.

In May, the weather is characterized by cooler temperatures, with a minimum of 8°C (47°F) and an average of 16°C (61°F), while December enjoys milder conditions with a minimum of 13°C (55°F) and an average of 19°C (67°F). Additionally, May experiences more rainfall, receiving 86 mm (3.4 in) over about 12 days, compared to December's 70 mm (2.7 in) over just 10 days. Humidity levels are fairly similar, with May at 80% and December slightly lower at 78%. For a detailed forecast, you can check Oneroa weather in December.

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Conclusion: What to Expect From May Weather in Oneroa

As May arrives in Oneroa, the weather takes on a distinctly cooler character compared to the preceding months. With average temperatures settling around a comfortable 16°C (61°F), this month brings a refreshing shift, accompanied by higher humidity levels at approximately 80%. Rainfall increases significantly, with 86 mm (3.4 in) recorded over roughly 12 days, making it one of the wetter months of the year. These changes mark a transition into the quieter, more serene winter season, perfect for cozy indoor pursuits. For a deeper dive into Oneroa's weather patterns, explore the full details at Oneroa Climate.