December Weather in Manukau City, New Zealand

Last updated: August 31, 2025

Experience the charming weather of Manukau City in December, where temperatures reach a pleasant maximum of 27°C (80°F) and an inviting average of 19°C (67°F). Enjoy the warm days alongside cool evenings, with minimum temperatures dipping to 10°C (50°F). While December brings a touch of the wet season, with 83 mm (3.3 in) of rain spread across 12 days, the average humidity of 78% adds a refreshing feel to the air. Embrace the lively atmosphere and the beauty of this vibrant city as summer unfolds!

December Temperature in Manukau City

In December, Manukau City welcomes the summer with warm and inviting temperatures that set the stage for outdoor adventures. The month typically starts with a minimum of 10°C (50°F) and peaks at a maximum of 27°C (80°F), offering a delightful average of 19°C (67°F). This gradual rise in temperature from the cooler months marks a significant transition towards the peak summer heat. Compared to November, which averages 17°C (63°F), December adds a touch of warmth, with both minimum and maximum temperatures inching higher, reflecting the city's embrace of the festive season. With such comfortable weather, December becomes a prime time for enjoying the lush landscapes and vibrant community events that characterize this beautiful part of New Zealand.

December Weather in Manukau City: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Manukau City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Manukau City, 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).
JanFebMarAprMayJunJulAugSepOctNovDec697067635855535456596367
Data source: Temperature data for Manukau City generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Manukau City

In December, Manukau City experiences a notable shift in precipitation patterns as the year comes to a close. With 83 mm (3.3 in) of rain falling over 12 days, the month marks a continuation of the wetter trends seen in the previous months, particularly from April onwards, which consistently featured higher rainfall totals. This increase in precipitation, which mirrors the typical New Zealand summer climate, offers a refreshing contrast to the drier months at the onset of the year. As temperatures rise and humidity builds, residents can expect regular showers, contributing to the lush greenery that characterizes this vibrant region. December’s rainfall not only highlights the transition into warmer weather but also reinforces Manukau City’s status as a place where nature thrives amidst the elements.

December Precipitation Trends in Manukau City

The chart displays monthly precipitation patterns in Manukau City, 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 Manukau City, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec54738310583101104116100747783
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Manukau City

In December, Manukau City experiences a slight dip in humidity, averaging around 78%. This month marks the transition into summer, where humidity levels begin to balance after a relatively damp winter. Notably, December's humidity is lower than the preceding months, aligning with a trend where the year starts with higher humidity levels peaking in July at 83%. Following this peak, a gradual decrease occurs, as seen in the consistent readings from August to November, all hovering around 80%. The slightly reduced humidity in December hints at the region's warming atmosphere, offering a refreshing reprieve as the summer draws near.

December Average Humidity in Manukau City

This chart illustrates the average monthly humidity levels in Manukau City, 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 Manukau City 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 Manukau City

In December, Manukau City experiences a UV Index of 13, categorized as extreme, with a burn time of just 10 minutes. This high level of UV radiation is consistent with the previous months of January and February, which also recorded UV indexes of 14. Notably, the UV Index tends to decline as the year progresses, starting from extreme heights in the summer months, such as November's 11, to more moderate levels in the cooler times, with May and June seeing indexes drop to 4 and 3, respectively. As the end of the year approaches, it's crucial for residents and visitors to remain vigilant and protect their skin, especially during the sunny days of December. For more insights and safety tips, visit the Manukau City UV Index.

Maximum UV Index Levels in Manukau City for December

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

As December unfolds in Manukau City, New Zealand, residents bask in the glow of an impressive 346 hours of sunshine, marking it as the sunniest month of the year. This delightful abundance of daylight follows a gradual increase in sunshine hours, peaking from the cooler months of June and July, where hours dip to around 187 and 214, respectively. The transition is notable, with sunlight steadily reclaiming dominance from August's 234 hours to a remarkable surge in November, which already hints at the festive warmth with 306 hours. December not only signals the arrival of summer but also encapsulates the vibrant spirit of the season, inviting both locals and visitors to rejoice in outdoor activities under the brilliant sun.

Monthly Sunshine Duration in Manukau City: December Highlighted

The December sunshine duration represents the total number of hours Manukau City 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: Manukau City December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Manukau City During December

In December, Manukau City experiences a likelihood of sunny weather that falls to 25%, marking it as one of the cloudier months of the year. This trend reflects a steady decline in sunshine chances as the year progresses, with the sunniest months peaking in the summer, specifically January at 47%. As autumn transitions into winter, the chances dwindle, with notables lows in October and December. Overall, December's weather hints at a shift from the earlier warmth, leading many to anticipate a more overcast and cooler holiday season.

Percentage of Sunny Days in December in Manukau City

The chart illustrates the percentage of sunny days in Manukau City 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 Manukau City experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec47%44%41%40%40%39%41%42%37%28%36%25%
Data source: Manukau City December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Manukau City in December

In Manukau City, New Zealand, December shines with a glorious 14 hours of daylight, mirroring the daylight conditions of November. As summer approaches, residents enjoy the longest days of the year, which contrasts with the winter months of June and July, when daylight dwindles to just 9 hours. Observing the year’s progression, there’s a clear trend of increasing daylight from the deep winter into spring, peaking in the vibrant summer months. After reaching a zenith in December, daylight gradually tapers off again into the cooler months, making each hour of sunlight a precious commodity during the year.

Average Daylight Hours in Manukau City for December

The chart illustrates the variation in daylight duration in Manukau City throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 21m13h 27m12h 17m11h 6m10h 8m9h 38m9h 53m10h 43m11h 50m13h 1m14h 5m14h 38m
Data source: Manukau City daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Manukau City

In December, Manukau City experiences a notable shift as the wind speed averages 4.7 m/s (11 mph), marking a rise from the calmer breezes of November. This uptick corresponds with a generally observable trend of increasing wind speeds during the latter part of the year, peaking in July and August. As the festive season unfolds, the city's winds gain strength, providing a refreshing contrast to the warmer temperatures. Interestingly, while January and February also see comparable averages, the December winds usher in the potential for dynamic weather patterns, lending an invigorating energy to the coastal landscape. Overall, December stands as a bridge between the mild breeziness of late spring and the more robust patterns of the summer months.

Average December Wind Speed in Manukau City

The chart displays monthly wind speed patterns in Manukau City, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.93.83.63.74.14.14.54.84.95.03.54.7 m/s
Data source: Manukau City December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Manukau City Compares to Other Months

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

In December, the weather typically features a temperature range from a minimum of 10°C (50°F) to a maximum of 27°C (80°F), with an average temperature of around 19°C (67°F). The month sees a higher level of precipitation, totaling 83 mm (3.3 in) over approximately 12 days, and a humidity level of 78%. In contrast, January experiences slightly warmer conditions, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 28°C (83°F), and an average temperature of 20°C (69°F). Precipitation in January drops to 54 mm (2.1 in) over just 6 days, while humidity remains relatively stable at 79%. For more detailed insights into January's weather, you can check Manukau City weather in January.

December and February both offer relatively mild temperatures, but February tends to be slightly warmer overall. December's minimum temperature is around 10°C (50°F), while February starts at a bit higher at 11°C (52°F). The average temperatures rise from 19°C (67°F) in December to 21°C (70°F) in February, with maximums reaching 27°C (80°F) and 28°C (83°F) respectively. Precipitation levels are also noteworthy; December experiences more rainfall at 83 mm (3.3 in) over 12 days, compared to February's 73 mm (2.9 in) spread over just 8 days. Humidity remains relatively high in both months, with December at 78% and February slightly lower at 76%. For more detailed insights into February's weather, you can check out Manukau City weather in February.

In December, the weather is characterized by slightly warmer temperatures with a minimum of 10°C (50°F) and an average of 19°C (67°F), peaking at 27°C (80°F). The month also experiences moderate rainfall, accumulating 83 mm (3.3 in) over 12 days, and comes with a higher humidity level of 78%. In contrast, March has very similar conditions, with a minimum temperature of 11°C (53°F) and an average of 20°C (67°F), reaching a maximum of 26°C (79°F). The precipitation is slightly lower at 82 mm (3.2 in) but occurs over fewer days, just 10, and the humidity is slightly decreased at 74%. For a more detailed look, check out Manukau City weather in March.

Comparing the weather in December and April reveals some interesting differences and similarities. In December, temperatures range from a minimum of 10°C (50°F) to a maximum of 27°C (80°F), with an average of 19°C (67°F). The month also sees about 83 mm (3.3 in) of precipitation over approximately 12 days, along with a humidity level of 78%. In contrast, April tends to be slightly cooler, with temperatures ranging from 8°C (47°F) to 24°C (76°F) and an average of 17°C (63°F). It experiences a bit more rainfall, totaling 105 mm (4.1 in) over around 10 days, while the humidity is slightly lower at 74%. For a detailed look at what to expect in April, you can visit Manukau City weather in April.

In comparison, December in Manukau City enjoys a warmer climate with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 27°C (80°F), averaging around 19°C (67°F). The month experiences a significant amount of rainfall, with 83 mm (3.3 in) over about 12 days and an average humidity of 78%. On the other hand, May presents much cooler conditions, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 22°C (71°F) and an average of 15°C (59°F). Despite having similar precipitation levels of 83 mm (3.3 in) over about 10 days, May is slightly more humid at 80%. For more details on May weather, visit Manukau City weather in May.

When comparing the weather in December and June, notable differences emerge. December offers warmer temperatures, with a minimum of 10°C (50°F) and an average high of 27°C (80°F), while June experiences cooler conditions, starting from a minimum of 3°C (38°F) and reaching a maximum of 20°C (67°F). December also has lower precipitation totals, averaging 83 mm (3.3 in) over 12 days, in contrast to June, which sees 101 mm (4.0 in) across 11 days. Humidity levels are relatively high in both months, with December at 78% and June slightly higher at 82%. For more detailed information on June weather, you can check Manukau City weather in June.

In December, the weather is significantly warmer compared to July, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 27°C (80°F), creating an average of 19°C (67°F). This month experiences 83 mm (3.3 in) of precipitation over 12 days, and the humidity level sits at 78%. In contrast, July is much cooler, with temperatures ranging from a chilly 2°C (37°F) to a maximum of 18°C (65°F), averaging 12°C (54°F). This month sees slightly higher precipitation at 104 mm (4.1 in), also spread over 12 days, while humidity remains high at 83%. For more details on July weather, check out Manukau City weather in July.

When comparing the weather in December and August, December enjoys milder temperatures, with averages ranging from a minimum of 10°C (50°F) to a maximum of 27°C (80°F), making it significantly warmer than August, which sees temperatures from a minimum of 3°C (38°F) to a maximum of 19°C (66°F). While December has lower precipitation at 83 mm (3.3 in) over 12 days, August experiences more rainfall, totaling 116 mm (4.6 in) across 15 days. The humidity levels are quite similar, with December at 78% and August slightly higher at 80%, creating a reasonably moist atmosphere in both months. For more detailed insights on August weather, visit Manukau City weather in August.

When comparing the weather between December and September, December tends to be significantly warmer. The minimum temperature in December is 10°C (50°F), with an average of 19°C (67°F) and a maximum reaching 27°C (80°F). In contrast, September's temperatures are cooler, ranging from a minimum of 4°C (40°F) to an average of 13°C (56°F) and a maximum of 20°C (68°F). Additionally, December experiences less precipitation, totaling 83 mm (3.3 in) over approximately 12 rainy days, while September has slightly higher precipitation levels at 100 mm (3.9 in) over about 14 days. Humidity levels are comparable, with December at 78% and September slightly higher at 80%. For more details on September weather, you can refer to Manukau City weather in September.

December and October showcase distinct weather patterns, with December generally being warmer and slightly wetter. In December, temperatures range from a minimum of 10°C (50°F) to a maximum of 27°C (80°F), averaging 19°C (67°F). In contrast, October experiences cooler temperatures, with a minimum of 5°C (41°F) and a maximum of 23°C (73°F), leading to a lower average of 15°C (59°F). Precipitation levels also differ, with December receiving 83 mm (3.3 in) over 12 days, compared to October’s 74 mm (2.9 in) over the same number of days. Despite December being a bit wetter, both months have similar humidity levels, around 78% for December and a slightly higher 80% for October. For more specific details about October's weather in the region, please visit Manukau City weather in October.

In comparing the weather conditions of December and November, December tends to be slightly warmer, with average temperatures reaching 19°C (67°F) compared to November's 17°C (63°F). The maximum temperature in December also rises to 27°C (80°F), while November peaks at 25°C (77°F). Precipitation remains relatively similar, with December experiencing 83 mm (3.3 in) and November slightly less at 77 mm (3.0 in), both over 12 days. Humidity is slightly lower in December at 78%, compared to 80% in November, indicating a marginal increase in comfort as the month progresses. For more detailed insights, check out Manukau City weather in November.

Compare Manukau City's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Manukau City

As December unfolds in Manukau City, the weather takes on a distinctly warmer tone compared to earlier months, with temperatures peaking at a delightful 27°C and an inviting average of 19°C. This month marks a transition into the heart of summer, bringing about increased humidity levels that hover around 78%, creating a lush and vibrant atmosphere. While the city experiences some rainfall, with around 12 days of precipitation, the overall warmth and festive spirit make it a unique time of year. For more insights into how December fits into the broader climate picture, visit Manukau City Climate.