December Weather in Gisborne, New Zealand

Last updated: August 31, 2025

In Gisborne, New Zealand, December brings a delightful blend of warmth and humidity, perfect for summer enthusiasts. With maximum temperatures reaching up to 27°C (81°F) and an average of 18°C (65°F), the weather invites outdoor activities and relaxation. However, the month also sees a minimum temperature of 10°C (50°F), reminding us that evenings can be cooler. While experiencing 81 mm (3.2 in) of precipitation over approximately 11 days, the lush surroundings come alive, enhancing the region's natural beauty. With humidity levels around 73%, December in Gisborne is a vibrant tapestry of summer warmth interspersed with refreshing rainfall, making it a captivating time to visit this stunning coastal town.

December Temperature in Gisborne

In Gisborne, New Zealand, December ushers in the warmth of summer, with temperatures showcasing a delightful transition. The month opens with a minimum of 10°C (50°F), rising to a comfortable average of 18°C (65°F), and peaking at a maximum of 27°C (81°F). This marks a gradual increase from the cooler months, where December's temperatures reflect a pattern of warming that begins in spring. As the heat intensifies into January and February, Gisborne offers a vibrant and sunny atmosphere, ideal for beach outings and outdoor adventures. The pleasant December warmth sets the tone for the lively summer season, inviting both residents and visitors to embrace the great outdoors.

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

The chart illustrates December temperature patterns in Gisborne, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gisborne, 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).
JanFebMarAprMayJunJulAugSepOctNovDec686864605653515254576165
Data source: Temperature data for Gisborne 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 Gisborne

In Gisborne, New Zealand, December marks a notable transition in precipitation patterns, with 81 mm (3.2 in) of rainfall accumulating over 11 days. This downpour mirrors November's totals, suggesting a trend of consistent precipitation as the region rounds out the year. Despite the steady rain, Gisborne enjoys a relatively moderate climate, with the Christmas season often bringing a refreshing contrast to the warm days. As the summer heat settles in, the rain serves as a welcome reprieve, maintaining the region's lush landscapes. The overall precipitation trend from January through December highlights a gradual increase into the winter months, with June experiencing the highest amounts, while December's totals solidify the idea of a balanced climate throughout the year.

December Precipitation Trends in Gisborne

The chart displays monthly precipitation patterns in Gisborne, 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 Gisborne, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec3954718269117987799598181
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Gisborne

In Gisborne, New Zealand, December brings a refreshing humidity level of 73%, slightly lower than the preceding months but consistent with the trend observed throughout the year. Following a peak in May and June at 77% and 78% respectively, the humidity gradually declines as summer approaches, reaching its lowest point in December. This seasonal shift signifies a transition from the cooler, moisture-laden months to the warmer summer climate, enhancing the region's charm as it prepares for sunnier days ahead. Overall, December’s humidity mirrors a broader pattern of stable, moderate moisture that characterizes Gisborne’s climate, providing an ideal backdrop for both relaxation and outdoor activities.

December Average Humidity in Gisborne

This chart illustrates the average monthly humidity levels in Gisborne, 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 Gisborne is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%75%73%73%77%78%78%77%74%73%74%74%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Gisborne

In December, Gisborne experiences a high UV Index of 13, categorizing it as extreme and necessitating a burn time of just 10 minutes. This trend of elevated UV levels continues from the previous month, as November also reached an extreme level of 11. As we transition from the sun-drenched earlier months of the year, where indices peaked at 14 in January and 13 in February, the UV Index gradually declines into the cooler months, hitting 7 in April and further dropping throughout winter. December's UV conditions serve as a stark reminder to stay vigilant with sun safety, especially given the holiday festivities often spent outdoors. For a comprehensive understanding of UV exposure throughout the year, check the full details at Gisborne UV Index.

Maximum UV Index Levels in Gisborne for December

The chart shows the monthly maximum UV Index (UVI) for Gisborne 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 Gisborne typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec14131074335691113
Data source: Gisborne 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 Gisborne

In Gisborne, New Zealand, December shines brightly with an impressive 335 hours of sunshine, marking the peak of the year for sunlight. This radiant month not only outshines the preceding months but also establishes a remarkable upward trend toward summer, following November's generous 297 hours. As the year winds down, the sunshine hours consistently decline from earlier months, such as January's 284 hours and February's 281 hours, hinting at the seasonal dance between warmth and cooler weather. The notable increase in December's daylight echoes a promise of summer adventures and festive cheer, making Gisborne a delightful destination for sun-seekers looking to bask in the warmth of the holiday spirit.

Monthly Sunshine Duration in Gisborne: December Highlighted

The December sunshine duration represents the total number of hours Gisborne 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.
JanFebMarAprMayJunJulAugSepOctNovDec284h281h259h232h208h173h197h235h243h287h297h335h
Data source: Gisborne December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Gisborne During December

In December, Gisborne experiences a 41% chance of sunny weather, which is relatively moderate compared to the brighter summer months. Looking back at the year's trends, January stands out with the highest likelihood of sunshine at 53%, while the middle of the year, particularly June and July, dips into the lower bracket with just 35% to 46% of sunny days. Interestingly, spring months show a slight recovery, with November and October closeting just below the December figure. As the region transitions into summer, it becomes clear that while December might not shine as brightly as January or April, it still offers a fair chance to enjoy the gleaming sun amidst the unfolding festive season.

Percentage of Sunny Days in December in Gisborne

The chart illustrates the percentage of sunny days in Gisborne 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 Gisborne experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec53%38%32%53%45%35%46%54%48%38%35%41%
Data source: Gisborne December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Gisborne in December

In Gisborne, New Zealand, the rhythm of daylight unfolds beautifully throughout the year, reaching its zenith in December with 14 hours of sunlight. This pattern showcases a gradual transition from the lengthy days of summer, peaking in December and receding slightly in January, with a consistent decline through the autumn months, culminating in June and July, where daylight dips to its lowest at 9 hours. As the seasons progress, daylight hours gradually lengthen again from August onward, leading to the bright, sun-kissed days of November and returning to December's warm embrace of longer daylight. This cyclical dance reflects the enchanting and vibrant seasons that define Gisborne's unique charm.

Average Daylight Hours in Gisborne for December

The chart illustrates the variation in daylight duration in Gisborne throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 30m13h 32m12h 18m11h 2m10h9h 29m9h 44m10h 38m11h 50m13h 5m14h 12m14h 48m
Data source: Gisborne daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Gisborne

As December descends upon Gisborne, New Zealand, the average wind speed gently settles at 3.9 m/s (9 mph), marking a subtle decrease as the year draws to a close. This dip from the slightly brisker months of late spring and early summer reflects a broader trend; while the winds typically dance around 4.3 to 4.4 m/s throughout the earlier months of the year, December's calmer breezes create a serene atmosphere perfect for savoring the festive season. As the heat of summer approaches, locals and visitors alike can appreciate the light, refreshing winds that add to the charm of this coastal paradise, making December a delightful time to enjoy the picturesque landscapes.

Average December Wind Speed in Gisborne

The chart displays monthly wind speed patterns in Gisborne, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.34.44.43.65.04.84.44.54.34.34.33.9 m/s
Data source: Gisborne December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Gisborne Compares to Other Months

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

December and January show noticeable differences in weather patterns. In December, temperatures range from a minimum of 10°C (50°F) to a maximum of 27°C (81°F) with an average of 18°C (65°F). The month experiences 81 mm (3.2 in) of precipitation over 11 days, resulting in a humidity level of 73%. In contrast, January enjoys slightly warmer temperatures, with a minimum of 10°C (51°F), an average of 20°C (68°F), and a maximum of 30°C (87°F). Precipitation drops significantly to 38 mm (1.5 in) over just 6 days, resulting in a marginally higher humidity of 76%. This shift highlights January's drier and warmer weather, making it a desirable time for outdoor activities. For more details, check out the Gisborne weather in January.

In December, the weather is generally warm with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 27°C (81°F), resulting in an average temperature of 18°C (65°F). The month experiences relatively high humidity at 73% and receives about 81 mm (3.2 in) of precipitation over 11 days. In contrast, February sees slightly warmer weather with minimum temperatures of 11°C (52°F) and maximum temperatures reaching 33°C (92°F), yielding an average of 20°C (68°F). February is also drier, with only 54 mm (2.1 in) of rainfall across 8 days and humidity at 75%. For more details on February weather, check out Gisborne weather in February.

In both December and March, the weather features similar temperature ranges, with minimums of 10°C (50°F), averages of 18°C (65°F), and maximums of 27°C (81°F). However, December experiences slightly more precipitation at 81 mm (3.2 in) over 11 days compared to March's 71 mm (2.8 in) over 10 days. Notably, humidity levels remain constant at 73% for both months, contributing to a consistent tropical feel. For more detailed insights, you can check Gisborne weather in March.

In comparing the weather between December and April, both months experience similar conditions in terms of precipitation and humidity, with December seeing an average temperature range from a minimum of 10°C (50°F) to a maximum of 27°C (81°F) and April showing slightly cooler averages, ranging from a minimum of 8°C (46°F) to a maximum of 25°C (77°F). While December holds a slightly higher average temperature of 18°C (65°F) compared to April's 16°C (61°F), both months also have comparable precipitation levels at 81 mm (3.2 in) across 11 days. The humidity remains constant at 73% during both months, contributing to the overall dampness that characterizes the region. For more details, you can check out Gisborne weather in April.

In December, the weather is significantly warmer, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 27°C (81°F), averaging around 18°C (65°F). In contrast, May sees cooler temperatures, with a minimum of 5°C (41°F) and a maximum of 23°C (73°F), averaging only 13°C (56°F). December also experiences more precipitation, totaling 81 mm (3.2 in) over 11 days, compared to May's 69 mm (2.7 in) over 10 days. Humidity levels are slightly higher in May at 77%, whereas December has a humidity level of 73%. For more detailed information about the weather in May, you can check Gisborne weather in May.

December weather is generally warmer than June, featuring a minimum temperature of 10°C (50°F) compared to June's 4°C (40°F). The average temperature in December reaches 18°C (65°F), while in June, it is considerably cooler at 12°C (53°F). December also sees a maximum temperature of 27°C (81°F), while June's maximum temp caps at 19°C (67°F). In terms of precipitation, December has slightly less rainfall at 81 mm (3.2 in) over 11 days, compared to June's 117 mm (4.6 in) over 12 days. Humidity levels are quite similar, with December at 73% and June slightly higher at 78%. For more detailed information, you can check Gisborne weather in June.

When comparing the weather in December and July, December presents a much warmer climate with average temperatures ranging from a minimum of 10°C (50°F) to a maximum of 27°C (81°F). In contrast, July features cooler temperatures, with a range from 3°C (39°F) to a maximum of 18°C (65°F). Additionally, December experiences less precipitation at 81 mm (3.2 in) over 11 days, while July sees slightly higher rainfall at 98 mm (3.9 in) over 13 days. The humidity is similar in both months, with December at 73% and July at 78%. For more detailed weather information, you can check Gisborne weather in July.

When comparing December and August weather, December offers notably warmer temperatures, with a minimum of 10°C (50°F) and an average of 18°C (65°F), peaking at 27°C (81°F). In contrast, August's temperatures are significantly cooler, starting at a minimum of 3°C (38°F) and averaging just 11°C (52°F), with a maximum of 19°C (66°F). Both months experience similar levels of precipitation and humidity, with December recording 81 mm (3.2 in) over 11 days and a humidity level of 73%, while August sees slightly less precipitation at 77 mm (3.0 in) with 11 days of rain and a higher humidity of 77%. For more detailed insights, check out Gisborne weather in August.

December weather is notably warmer than September, with average temperatures ranging from a minimum of 10°C (50°F) to a maximum of 27°C (81°F), compared to September's range of 4°C (39°F) to 21°C (70°F). While December experiences slightly lower precipitation at 81 mm (3.2 in) over 11 days, September sees a bit more rainfall at 99 mm (3.9 in) across the same number of days. Humidity levels are fairly similar, with December at 73% and September at 74%. For a more detailed look at September's weather, you can check out Gisborne weather in September.

In December, the weather sees a noticeable warmth compared to October, with average temperatures ranging from a mild 10°C (50°F) at night to a comfortable 27°C (81°F) during the day. This contrasts with October, where the temperature ranges from a cooler 5°C (41°F) at night to a maximum of 24°C (76°F). While both months experience similar humidity levels of 73%, December receives slightly more rainfall, with 81 mm (3.2 in) over 11 days compared to October's 59 mm (2.3 in) over 10 days. For those interested in a deeper dive into October's climate, you can check Gisborne weather in October.

In comparing the weather of December and November, it is evident that December tends to be slightly warmer. December features a minimum temperature of 10°C (50°F) and an average of 18°C (65°F), while November's temperatures start from a minimum of 8°C (46°F) and an average of 16°C (61°F). Both months receive the same amount of precipitation, 81 mm (3.2 in), occurring over 11 days, resulting in similar humidity levels—73% for December and 74% for November. Overall, December is a bit warmer than November, making it a more comfortable month for outdoor activities. For a detailed look at November weather conditions, you can refer to Gisborne weather in November.

Compare Gisborne's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Gisborne

As December unfolds in Gisborne, it brings a delightful transition from the cooler months into the warmth of summer. With temperatures reaching a pleasant maximum of 27°C (81°F), the month invites residents and visitors alike to enjoy outdoor activities under the clear skies. However, unlike the drier months, December does see an increase in precipitation, with about 11 days of rain, which keeps the landscape lush and vibrant. The humidity levels rise to around 73%, adding to the summer feel but also reminding us of the tropical influence in the region. For a deeper understanding of how Gisborne's weather stacks up throughout the year, explore the Gisborne Climate page.