December Weather in Te Anau, New Zealand

Last updated: August 31, 2025

In December, Te Anau, New Zealand, experiences a delightful range of temperatures with maximums reaching 23°C (75°F) and averages around 12°C (53°F), providing a pleasant summer atmosphere. However, visitors should prepare for cooler nights, as temperatures can dip to a crisp 1°C (35°F). The region sees an average of 173 mm (6.8 in) of rainfall spread over 18 days, contributing to its lush landscapes and vibrant ecosystems. With humidity levels soaring to 86%, December in Te Anau is a refreshing experience for nature lovers and adventure seekers alike.

December Temperature in Te Anau

In Te Anau, New Zealand, December heralds the arrival of summer, bringing a pleasant shift in temperatures that sets the stage for outdoor adventures. With minimums of 1°C (35°F) and maximums reaching 23°C (75°F), the month showcases a significant warming trend compared to the cooler autumn months. The average temperature hovers around 12°C (53°F), making it an ideal time for visitors to explore the stunning landscapes and enjoy the longest days of the year. As December transitions from the cooler November, where temperatures dipped down to -1°C (30°F), it's evident that summer in Te Anau invites those looking to bask in milder weather while soaking in the breathtaking scenery.

December Weather in Te Anau: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Te Anau, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Te Anau, 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).
JanFebMarAprMayJunJulAugSepOctNovDec555453484440394142465053
Data source: Temperature data for Te Anau 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 Te Anau

In December, Te Anau experiences a notable increase in precipitation, with 173 mm (6.8 in) of rain falling over 18 days. This trend marks a slight decrease compared to November’s 176 mm (6.9 in), yet still underscores the region's wet summer season. As the year draws to a close, the rainfall patterns indicate a peak in precipitation during the spring and early summer months, with September leading the charge at 203 mm (8.0 in). Overall, December aligns closely with the wetter months of February and November, reinforcing Te Anau's reputation for lush landscapes and vibrant ecosystems brought forth by consistent rainfall.

December Precipitation Trends in Te Anau

The chart displays monthly precipitation patterns in Te Anau, 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 Te Anau, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec13117611713813695151132203170176173
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Te Anau

In December, Te Anau, New Zealand, experiences a humidity level of 86%, mirroring the steady pattern observed over the preceding months. The humidity remains consistently high from January through December, with only slight fluctuations ranging between 85% and 88%. This trend highlights the region's humid climate, especially during the summer months, where the humidity remains on the higher end, contributing to the lush, vibrant landscapes that Te Anau is renowned for. Overall, December's humidity levels reflect a stable and moist environment, making it a picturesque time for visitors.

December Average Humidity in Te Anau

This chart illustrates the average monthly humidity levels in Te Anau, 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 Te Anau is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%87%88%88%88%88%87%87%86%86%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Te Anau

As December rolls into Te Anau, New Zealand, residents and visitors alike should be prepared for intense UV exposure, peaking at a UV Index of 12, which falls within the extreme category and allows for a burn time of just 10 minutes. This trend of heightened UV levels continues from November's score, demonstrating a consistent pattern of extreme UV radiation during the southern hemisphere's summer months. Following the peak of January's intense readings, the UV Index begins to moderate in the subsequent months, signaling that while the sun may be a warm friend, it also demands respectful caution. For more detailed information on UV levels and safety measures, check out Te Anau UV Index. Remember to wear sunscreen and protective clothing if you'll be outdoors!

Maximum UV Index Levels in Te Anau for December

The chart shows the monthly maximum UV Index (UVI) for Te Anau 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 Te Anau typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1312853223581012
Data source: Te Anau 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 Te Anau

In Te Anau, December shines with an impressive 293 hours of sunshine, marking the peak of the year for bright, sunny days. As the year draws to a close, light levels significantly increase from the previous months, showcasing a delightful trend of growing daylight that begins in spring. November already sets the stage with 266 hours, hinting at the promise of summer, while January maintains the momentum with 222 hours. This sunny crescendo creates an inviting atmosphere perfect for exploring the stunning landscapes and serene waters of this breathtaking region. Indeed, December’s radiant skies make it a cherished time for both locals and travelers alike, who flock to enjoy the warm embrace of Te Anau’s idyllic summer days.

Monthly Sunshine Duration in Te Anau: December Highlighted

The December sunshine duration represents the total number of hours Te Anau 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.
JanFebMarAprMayJunJulAugSepOctNovDec222h240h228h178h149h131h128h152h192h220h266h293h
Data source: Te Anau December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Te Anau During December

In Te Anau, New Zealand, December brings a 24% chance of sunny weather, placing it in line with the average for the preceding months. As the year winds down, the likelihood of sun remains relatively stable, with late spring and early summer months showing only subtle fluctuations. Notably, January tends to shine the brightest at 23%, making it the sunniest month overall, while December holds its ground against the backdrop of cooler winter months, which dip as low as 14% in July. This consistency throughout the year's end hints at a gentle transition to summer, while still allowing for those coveted sunny days, perfect for exploring the stunning landscapes that Te Anau has to offer.

Percentage of Sunny Days in December in Te Anau

The chart illustrates the percentage of sunny days in Te Anau 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 Te Anau experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec23%30%25%28%24%20%14%15%22%24%25%24%
Data source: Te Anau December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Te Anau in December

In Te Anau, New Zealand, December marks a peak in daylight as the days stretch to a sun-drenched 15 hours, mirroring the brightness of January. Following a trend of gradually shorter daylight durations from February to April, where it descends to 10 hours, the longer days return in late spring as November offers 14 hours. This gradual transition underscores a rhythmic ebb and flow of light throughout the year, with June reaching its nadir at just 8 hours of daylight. The cycles of daylight not only reflect the changing seasons but also invite locals and visitors alike to embrace the vibrant energy of summer in this picturesque setting.

Average Daylight Hours in Te Anau for December

The chart illustrates the variation in daylight duration in Te Anau throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec15h 11m13h 56m12h 21m10h 46m9h 26m8h 45m9h 5m10h 15m11h 46m13h 22m14h 48m15h 34m
Data source: Te Anau daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Te Anau

In Te Anau during December, the average wind speed gently peaks at 3.0 m/s (7 mph), displaying a pleasant transition towards the summer months. This uptick is reflective of a gradual increase in winds, building from the milder breezes of late autumn, where speeds hovered around 2.5 m/s (6 mph) in November. As the year draws to a close, the wind patterns suggest a more dynamic atmosphere, preparing for the vibrant summer energy. Interestingly, December shares this energetic average with January, marking a duo of months where nature invites both tranquility and a hint of excitement, perfect for exploring the breathtaking landscapes that surround Te Anau.

Average December Wind Speed in Te Anau

The chart displays monthly wind speed patterns in Te Anau, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.12.42.42.82.52.02.22.73.12.22.63.0 m/s
Data source: Te Anau December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Te Anau Compares to Other Months

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

December and January exhibit mild weather conditions, with January showing a slight increase in temperatures. December experiences minimum temperatures of 1°C (35°F) and averages around 12°C (53°F), peaking at 23°C (75°F). In contrast, January sees a minimum of 2°C (37°F) and an average of 13°C (55°F), with maximum temperatures reaching 25°C (78°F). Precipitation is also reduced in January, with 131 mm (5.2 in) over 14 days compared to December's 173 mm (6.8 in) over 18 days. Both months maintain a consistent humidity level of 86%. For a more detailed look at January’s weather specifics, you can visit Te Anau weather in January.

In comparing the weather patterns of December and February, we find that both months have a similar average temperature of around 12°C (54°F), with maximum temperatures peaking at 23°C (75°F) in December and 23°C (74°F) in February. However, December experiences slightly higher minimum temperatures, averaging 1°C (35°F), compared to February's 0°C (32°F). Precipitation levels are quite similar as well, with December receiving 173 mm (6.8 in) over 18 days and February recording 176 mm (6.9 in) over just 14 days. Both months maintain high humidity levels, hovering around 86% in December and 85% in February. For more detailed information on February weather specifically, you can check out Te Anau weather in February.

In December, the weather features a wider temperature range with a minimum of 1°C (35°F), an average of 12°C (53°F), and a maximum of 23°C (75°F). It also sees more precipitation, totaling 173 mm (6.8 in) over 18 days, while humidity hovers around 86%. In contrast, March exhibits similar minimum and average temperatures, with a slightly lower maximum of 22°C (73°F). Precipitation in March drops to 117 mm (4.6 in) over 12 days, and humidity is marginally higher at 87%. For more detailed information, you can check Te Anau weather in March.

In comparing the weather between December and April, December tends to be warmer with average temperatures ranging from a minimum of 1°C (35°F) to a maximum of 23°C (75°F), while April sees cooler averages with temperatures ranging from -1°C (31°F) to a maximum of 20°C (69°F). Interestingly, both months experience a similar amount of precipitation, with December recording 173 mm (6.8 in) over 18 days and April slightly less at 138 mm (5.4 in) over 17 days. Humidity remains high in both months, peaking at 86% in December compared to 88% in April, creating a consistently damp atmosphere. For a closer look at April weather, check out Te Anau weather in April.

In December, the weather tends to be milder, with average temperatures ranging from a minimum of 1°C (35°F) to a maximum of 23°C (75°F), and overall humidity at 86%. Rainfall is somewhat frequent, totaling 173 mm (6.8 in) over about 18 days. In contrast, May sees cooler temperatures, with a minimum of -3°C (26°F) and a maximum of 17°C (63°F); the average temperature is 7°C (44°F). The month experiences slightly less precipitation, totaling 136 mm (5.4 in) across 15 days, along with a marginally higher humidity level at 88%. For more detailed information, you can explore the specific climate conditions Te Anau weather in May.

In December, the weather in Te Anau is notably warmer, with average temperatures ranging from a chilly 12°C (53°F) to a pleasant max of 23°C (75°F). In contrast, June brings cooler conditions, with daytime temperatures averaging just 4°C (40°F) and a maximum of only 15°C (60°F). December also experiences higher precipitation levels, with 173 mm (6.8 in) over 18 days, compared to June's 95 mm (3.7 in) over 14 days. While humidity remains quite high in both months, December's 86% is slightly lower than June's 88%. For more detailed insights on June weather, visit Te Anau weather in June.

December weather features milder temperatures, with a minimum of 1°C (35°F), an average of 12°C (53°F), and a maximum of 23°C (75°F), alongside significant rainfall of 173 mm (6.8 in) over 18 days and high humidity at 86%. In contrast, July presents much cooler conditions, with a minimum of -4°C (24°F), an average of 4°C (39°F), and a maximum of 13°C (55°F). While July experiences slightly less precipitation at 151 mm (5.9 in) spread across 20 days, it also has a higher humidity level of 88%. For a detailed look at July weather, visit Te Anau weather in July.

When comparing the weather in December and August, it's clear that December tends to be warmer, with temperatures ranging from a minimum of 1°C (35°F) to a maximum of 23°C (75°F) and an average of 12°C (53°F). In contrast, August experiences cooler temperatures, with a range from -5°C (22°F) to a maximum of 13°C (56°F) and an average of only 5°C (41°F). Additionally, December has higher precipitation, totaling 173 mm (6.8 in) over 18 days, while August has less at 132 mm (5.2 in) across 20 days, indicating a slightly drier feel in December despite its warmer temperatures. Humidity levels are also similar, with December at 86% and August at 87%. For a more detailed look at August conditions, check out Te Anau weather in August.

In December, the weather is generally warmer than in September, with temperatures ranging from a minimum of 1°C (35°F) to a maximum of 23°C (75°F), while September is cooler, with a range from -6°C (22°F) to 16°C (61°F). Precipitation levels in December are slightly lower at 173 mm (6.8 in) over 18 days, compared to September's 203 mm (8.0 in) over 17 days. Interestingly, both months share the same humidity level of 86%, indicating that while December offers milder temperatures, September experiences more significant rainfall. For further details on the weather in September, you can explore Te Anau weather in September.

December and October both showcase a similar level of precipitation, with December recording 173 mm and October slightly lower at 170 mm, each occurring over 18 days. However, December tends to be warmer, featuring a minimum temperature of 1°C (35°F) and an average of 12°C (53°F), while October experiences colder conditions with lows reaching -5°C (24°F) and an average of 8°C (46°F). The maximum temperatures also reflect this trend, with December peaking at 23°C (75°F) compared to October's 20°C (69°F). Interestingly, both months share the same high humidity level of 86%, making the air feel quite similar in both months. For more detailed insights about October weather, you can visit Te Anau weather in October.

In comparing the weather of December and November, we can see some notable differences. December experiences slightly higher temperatures, with a minimum of 1°C (35°F) and an average of 12°C (53°F), compared to November's minimum of -1°C (30°F) and average of 10°C (50°F). However, both months have similar maximum temperatures, with December reaching up to 23°C (75°F) and November peaking at 22°C (72°F). Precipitation levels are also quite close, with December recording 173 mm (6.8 in) over 18 days and November slightly higher at 176 mm (6.9 in) over 16 days. Humidity remains constant at 86% for both months, contributing to a consistently damp atmosphere. For more detailed insights on November's weather, you can check Te Anau weather in November.

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Conclusion: What to Expect From December Weather in Te Anau

As December unfolds in Te Anau, the weather marks a noticeable transition, making it a vibrant time of year. Unlike the chillier months that precede it, temperatures begin to warm up, offering a welcome escape with peak afternoon highs reaching a comfortable 23°C. However, the month is also characterized by a considerable amount of rainfall, totaling around 173 mm over about 18 days, giving December a distinctively humid feel with humidity levels hovering at 86%. This blend of warmth and moisture not only enhances the lush landscapes but also signifies the peak of summer activities for both locals and tourists. To dive deeper into the unique patterns of Te Anau's climate, visit Te Anau Climate.