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December Weather in Palmerston, New Zealand

Last updated: August 31, 2025

In December, the average temperature in Palmerston, New Zealand is a pleasant 14°C (58°F), with minimums dipping to 6°C (42°F) and maximums reaching a mild 24°C (76°F). Expect a fair bit of rain, with an average precipitation of 97 mm (3.8 in) spread over 14 days. With an average humidity of 81%, be prepared for a refreshing yet humid atmosphere!

December Temperature in Palmerston

In December in Palmerston, the average temperature is 14°C (58°F). Maximum temperatures can reach 24°C (76°F), while minimum temperatures can drop as low as 6°C (42°F). This mild climate makes Palmerston an ideal destination for travelers seeking comfortable weather.

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

The chart illustrates December temperature patterns in Palmerston, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Palmerston, December typically has an average temperature of 14°C (58°F), with highs reaching up to 24°C (76°F) and lows dropping to around 6°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec595957534844434548505457
Data source: Temperature data for Palmerston 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 Palmerston

In Palmerston in December, the total precipitation amount is 97 mm (3.8 in) spread over 14 days.

December Precipitation Trends in Palmerston

The chart displays monthly precipitation patterns in Palmerston, 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 Palmerston, December typically receives around 97 mm (3.8 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec889750764037653848779097
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Palmerston

In Palmerston in December, humidity is 81%. With an average temperature of 14°C (58°F), this humidity feels like a warm blanket wrapping around you, making outdoor adventures sticky and challenging, while also providing a lush, vibrant atmosphere perfect for exploring.

December Average Humidity in Palmerston

This chart illustrates the average monthly humidity levels in Palmerston, 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 Palmerston is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%76%78%81%84%85%85%84%83%80%78%81%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Palmerston

In Palmerston in December, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Palmerston.

Maximum UV Index Levels in Palmerston for December

The chart shows the monthly maximum UV Index (UVI) for Palmerston 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 Palmerston typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1311853223581012
Data source: Palmerston 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.

How December Weather in Palmerston Compares to Other Months

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

This table compares monthly weather conditions in Palmerston, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather15°C (59°F)88 mm (3.5 inches)79%extreme
February Weather15°C (59°F)97 mm (3.8 inches)76%extreme
March Weather14°C (57°F)50 mm (2.0 inches)78%very high
April Weather11°C (53°F)76 mm (3.0 inches)81%moderate
May Weather9°C (49°F)40 mm (1.6 inches)84%moderate
June Weather7°C (44°F)37 mm (1.5 inches)85%low
July Weather6°C (43°F)65 mm (2.6 inches)85%low
August Weather7°C (46°F)38 mm (1.5 inches)84%moderate
September Weather9°C (48°F)48 mm (1.9 inches)83%moderate
October Weather10°C (51°F)77 mm (3.0 inches)80%very high
November Weather12°C (55°F)90 mm (3.5 inches)78%very high
December Weather14°C (58°F)97 mm (3.8 inches)81%extreme

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