December Weather in Oneroa, New Zealand

Last updated: August 31, 2025

In Oneroa, New Zealand, December showcases a delightful summer climate characterized by a maximum temperature of 24°C (76°F) and an average of 19°C (67°F), allowing for enjoyable outdoor activities. The weather is marked by a minimum temperature of 13°C (55°F), perfect for those cool evenings by the sea. While the month sees approximately 70 mm (2.7 in) of precipitation spread over 10 days, making it essential to pack an umbrella, the elevated humidity level of 78% adds to the lush, vibrant scenery that defines this picturesque locale. Overall, December in Oneroa offers a refreshing blend of warmth and subtle rainfall, ideal for visitors and locals alike.

December Temperature in Oneroa

In Oneroa, New Zealand, December marks the onset of summer, bringing a delightful warmth that gradually ascends throughout the month. With a minimum temperature of 13°C (55°F) and an average hovering around 19°C (67°F), the days are pleasantly mild. The peak temperatures can reach a comfortable 24°C (76°F), making it a perfect time for outdoor activities and beach outings. Compared to the cooler months preceding it, December showcases a noticeable increase in warmth, setting the stage for a vibrant holiday season. This trend of rising temperatures continues into January and February, highlighting Oneroa's appeal as a sought-after summer destination.

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

The chart illustrates December 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, December 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.

December Precipitation in Oneroa

In December, Oneroa experiences 70 mm (2.7 in) of precipitation over approximately 10 days, marking a slight decrease from the previous month’s rainfall. This pattern suggests a transition from the heavier downpours characteristic of the autumn months to the drier, sunnier summer period ahead. November's precipitation of 74 mm (2.9 in) also came over 11 days, indicating a consistent trend of moderate rainfall as the year winds down. As the holiday season approaches, residents and visitors can expect drier conditions compared to the wetter months of June and April, while still enjoying mild weather that accompanies festive festivities.

December Precipitation Trends in Oneroa

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

December in Oneroa, New Zealand, witnesses a slight dip in humidity, averaging 78%, following a month where the levels remained consistently at 80%. This trend reflects a gradual decline from the peak humidity typically experienced in the winter months, where July boasts a high of 83%. As the year winds down, the humidity begins to stabilize, fluctuating around 80% in the earlier months, while December's measurements hint at a drier summer ahead. It's a gentle transition that embraces the warmth of the upcoming season while maintaining the lush, coastal charm that Oneroa is known for.

December Average Humidity in Oneroa

This chart illustrates the average monthly humidity levels in Oneroa, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, 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 December generated using information from the Copernicus Climate Change Service.

December UV Index in Oneroa

In December, Oneroa, New Zealand, experiences a high UV Index of 13, placing it in the extreme exposure category with a quick burn time of just 10 minutes. This trend follows the intense UV levels seen in the previous months of January and February, both rated at 14. As the year winds down, the UV Index gradually decreases starting in March, yet it remains notably high throughout the spring, with figures peaking again in November before the slight dip in December. To protect your skin during these peak times, it’s essential to be vigilant about sun safety. For more detailed information, you can visit Oneroa UV Index.

Maximum UV Index Levels in Oneroa for December

The chart shows the monthly maximum UV Index (UVI) for Oneroa in December, 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 December, the maximum UV index in Oneroa typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141410743357101113
Data source: Oneroa December 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.

December Sunshine in Oneroa

In Oneroa, New Zealand, December stands out as a vibrant month, boasting an impressive 346 hours of sunshine. This peak in sunlight follows a trend of increasing brightness as the year winds down, with November already offering an exhilarating 306 hours. As the seasons shift, the contrast becomes apparent: months like April and May dip to around 235 and 216 hours, showcasing a significant drop compared to the summer's glimmer. The sunlit days of December not only mark the arrival of summer but also promise a festive atmosphere, inviting both locals and visitors to relish in the warm embrace of the sun-drenched beaches and outdoor adventures that Oneroa is celebrated for.

Monthly Sunshine Duration in Oneroa: December Highlighted

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

Chance of Sun in Oneroa During December

In Oneroa, New Zealand, December marks a notable shift in the likelihood of sunny weather, with only a 27% chance of sunshine. This decrease in sunny days follows a pattern observed from the warmer months, where January kicks off the year with a 50% chance and February remains relatively high at 44%. As we progress toward the end of the year, the chances steadily decline, hitting 38% in November before dropping off sharply in December. This trend suggests that while the early summer months promise more sun, December does not quite deliver the same level of brightness, encouraging residents and visitors alike to prepare for a more variable weather experience as the year winds down.

Percentage of Sunny Days in December in Oneroa

The chart illustrates the percentage of sunny days in Oneroa throughout the year, with December 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 December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Oneroa in December

In Oneroa, New Zealand, the rhythm of daylight gracefully shifts throughout the year, peaking in the summer months. December mirrors the longest days of January and November, basking in 14 hours of daylight, making it a prime time for outdoor activities and beach strolls. As the season progresses into February, daylight slightly diminishes to 13 hours, continuing the trend of decreasing daylight into autumn. By March and April, the sun's embrace narrows to 12 and 11 hours, respectively, as the days shorten. This gradual decline continues into winter, reaching only 9 hours in both June and July. Fortunately, as spring arrives in August, the days begin to lengthen once more, rejuvenating the landscape with 10 hours of light, culminating in a steady ascent back to 14 hours by the end of the year. This cyclical dance of daylight not only marks the changing seasons but also delineates the ideal times for enjoying the natural beauty of Oneroa.

Average Daylight Hours in Oneroa for December

The chart illustrates the variation in daylight duration in Oneroa throughout the year, with December 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.

December Winds in Oneroa

In Oneroa, New Zealand, December brings a notable increase in wind speed, reaching an average of 5.9 m/s (13 mph). This uptick follows a subtle pattern observed throughout the year; from the lows of late spring in November, where winds calm to 4.2 m/s (9 mph), a steady increase in gustiness begins around May. This leads through to July's peak at 6.0 m/s (13 mph) and maintains a breezy tempo into the summer months. As the winds swirl around stunning vistas and vibrant beaches, December’s breezes create an invigorating atmosphere, inviting both locals and visitors to embrace the lively spirit of the season.

Average December Wind Speed in Oneroa

The chart displays monthly wind speed patterns in Oneroa, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.85.14.95.15.45.56.06.26.26.24.25.9 m/s
Data source: Oneroa December wind data, generated using information from the Copernicus Climate Change Service.

How December 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 December’s weather to other months in Oneroa, focusing on differences in temperature, rainfall, humidity, and UV levels.

In December, the weather features a milder temperature range, with minimums around 13°C (55°F) and maximums reaching 24°C (76°F), giving an average of 19°C (67°F). This month experiences more precipitation at 70 mm (2.7 in) over about 10 days, along with a humidity level of 78%. In contrast, January sees slightly warmer temperatures, with minimums of 15°C (59°F) and maximums hitting 26°C (78°F), averaging 20°C (68°F). It is also drier, with only 55 mm (2.2 in) of precipitation falling over roughly 5 days, while humidity remains similar at 79%. For a detailed overview of January's weather, visit Oneroa weather in January.

In December, temperatures range from a mild 13°C (55°F) at night to a pleasant 24°C (76°F) during the day, with an average of 19°C (67°F). The month sees around 70 mm (2.7 in) of rainfall spread across 10 days, resulting in a humidity level of 78%. Conversely, February offers warmer conditions, with minimum temperatures of 16°C (60°F) and daytime highs reaching 26°C (79°F), averaging 21°C (69°F). While February experiences slightly more precipitation at 82 mm (3.2 in) over 8 days, the humidity is marginally lower at 76%. For more details on February weather, visit Oneroa weather in February.

In December, the weather is characterized by mild temperatures, with a minimum of 13°C (55°F) and an average of 19°C (67°F), reaching a maximum of 24°C (76°F). The month sees a fair amount of rain, totaling 70 mm (2.7 in) over about 10 days, with humidity resting at 78%. In comparison, March experiences slightly warmer conditions, with a minimum temperature of 14°C (58°F) and an average of 20°C (68°F), while still peaking at 24°C (76°F). However, it is also wetter, with precipitation reaching 93 mm (3.6 in) across 11 days and a slightly lower humidity of 74%. For more detailed information, check out Oneroa weather in March.

In December, the weather typically features warmer temperatures, with minimums around 13°C (55°F) and maximums reaching up to 24°C (76°F), while April experiences slightly cooler temperatures, with a minimum of 11°C (52°F) and a maximum of 22°C (72°F). December sees less precipitation, totaling approximately 70 mm (2.7 inches) over about 10 days, compared to April's higher rainfall of 114 mm (4.5 inches) spread across 12 days. Humidity levels are relatively high in both months, at 78% in December and 74% in April, indicating a generally comfortable moist climate. For more specific insights into the April weather, you can visit Oneroa weather in April.

In comparing the weather of December and May, we see distinct differences in temperature and precipitation patterns. December typically enjoys warmer temperatures, with a minimum of 13°C (55°F) and a maximum of 24°C (76°F), resulting in an average of 19°C (67°F). In contrast, May sees cooler temperatures, with a minimum of 8°C (47°F) and a maximum of 20°C (69°F), averaging 16°C (61°F). While both months experience significant rainfall, December has 70 mm (2.7 in) over approximately 10 days, whereas May tends to be slightly wetter, with 86 mm (3.4 in) over 12 days. Humidity levels remain high in both months, with December at 78% and May at 80%. For more details on May's weather, you can visit Oneroa weather in May.

When comparing the weather in December and June, December tends to be warmer and drier. In December, temperatures range from a minimum of 13°C (55°F) to a maximum of 24°C (76°F), with an average of 19°C (67°F) and 70 mm of precipitation over about 10 days. In contrast, June is cooler, with temperatures ranging from 8°C (47°F) to 19°C (66°F) and an average of 14°C (57°F). It also sees higher precipitation levels at 117 mm (4.6 in) over 11 days, and slightly increased humidity at 82%. For more detailed weather information in this month, you can check Oneroa weather in June.

In December, Oneroa experiences milder temperatures with a minimum of 13°C (55°F), an average of 19°C (67°F), and a maximum of 24°C (76°F), making it generally warmer than the cooler July temperatures, which range from a minimum of 7°C (45°F) to a maximum of 17°C (63°F). December also sees less precipitation, averaging 70 mm (2.7 in) over 10 days, compared to July's higher rainfall of 100 mm (3.9 in) across 12 days. The humidity levels in December are slightly lower at 78%, while in July, they reach 83%, contributing to the damp feel during the winter months. For a more detailed look at the weather in July, you can check Oneroa weather in July.

In December, the weather is generally warmer with temperatures ranging from a minimum of 13°C (55°F) to a maximum of 24°C (76°F), creating an average of 19°C (67°F). In contrast, August sees cooler temperatures, with a minimum of 8°C (47°F) and a maximum of 17°C (63°F), resulting in an average of just 13°C (56°F). While December experiences less precipitation at 70 mm (2.7 in) over 10 days, August is rainier, with 106 mm (4.2 in) spread over 14 days. Additionally, humidity levels are slightly higher in August at 80%, compared to 78% in December. For a more detailed look at August weather, you can check Oneroa weather in August.

When comparing the weather in December and September, it's clear that December tends to be warmer and slightly drier. December boasts an average temperature of 19°C (67°F), with a minimum of 13°C (55°F) and a maximum of 24°C (76°F), while September has a cooler average of 13°C (56°F), ranging from a minimum of 8°C (46°F) to a maximum of 18°C (64°F). Although December experiences 70 mm (2.7 in) of precipitation over about 10 days, September sees more rainfall at 106 mm (4.2 in) over 13 days. Humidity levels are similar in both months, with December at 78% and September slightly higher at 80%. For more detailed information on the weather during September, you can visit Oneroa weather in September.

In comparing the weather of December and October, December tends to be warmer with an average temperature of 19°C (67°F), while October only reaches an average of 15°C (59°F). The minimum temperature in December is significantly higher at 13°C (55°F), compared to October's 9°C (49°F). Precipitation levels are slightly lower in December, with 70 mm (2.7 in) recorded over about 10 days, whereas October experiences 80 mm (3.2 in) over 11 days. Humidity levels are quite similar, with December at 78% and October at 80%. For more details on October weather, you can visit Oneroa weather in October.

In comparing the weather of December and November, December shows slightly warmer temperatures, with a minimum of 13°C (55°F) and an average of 19°C (67°F), while November records a minimum of 12°C (54°F) and an average of 17°C (63°F). The maximum temperature in December reaches 24°C (76°F), compared to November's 22°C (73°F). Additionally, December experiences about 70 mm (2.7 in) of precipitation over approximately 10 days, whereas November has around 74 mm (2.9 in) of precipitation spread over 11 days. Humidity levels are also marginally lower in December at 78%, compared to 80% in November. For more detailed insights, you can refer to Oneroa weather in November.

Compare Oneroa's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Oneroa

As December graces Oneroa, the weather transforms into a vibrant canvas that beckons for outdoor adventures. With temperatures climbing higher than in previous months, the average warmth of 19°C invites beachgoers and nature lovers alike. Although some may find relief from the mild humidity at 78%, December’s rainfall, spread over ten days, acts as a refreshing reprieve rather than a deterrent. This blend of warmth and occasional showers makes December a unique and lively month in Oneroa, contrasting beautifully with the cooler, drier spells of earlier seasons. For a deeper insight into Oneroa’s atmospheric patterns, visit Oneroa Climate.