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December Weather in Seddon, New Zealand

Last updated: August 31, 2025

In December, the average temperature in Seddon, New Zealand is a comfortable 15°C (60°F). Expect a range with a minimum of 6°C (44°F) and a maximum reaching 25°C (77°F). This month sees around 102 mm (4.0 in) of precipitation spread over 11 days, contributing to an average humidity of 81%.

December Temperature in Seddon

In December in Seddon, the average temperature is 15°C (60°F). Maximum temperatures can reach 25°C (77°F), while minimums can dip as low as 6°C (44°F). Be sure to pack layers for your trip, as the weather can vary throughout the day!

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

The chart illustrates December temperature patterns in Seddon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Seddon, December typically has an average temperature of 15°C (60°F), with highs reaching up to 25°C (77°F) and lows dropping to around 6°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec626259555147454748525659
Data source: Temperature data for Seddon 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 Seddon

In Seddon in December, the precipitation amount is 102 mm (4.0 in) over the course of 11 days.

December Precipitation Trends in Seddon

The chart displays monthly precipitation patterns in Seddon, 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 Seddon, December typically receives around 102 mm (4.0 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec4761679767819266787376102
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Seddon

In Seddon in December, humidity is 81%. With an average temperature of 15°C (60°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel sluggish and draining, which can challenge even the best-prepared traveler.

December Average Humidity in Seddon

This chart illustrates the average monthly humidity levels in Seddon, 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 Seddon is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%79%79%80%84%86%86%83%83%82%82%81%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Seddon

In Seddon in December, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Seddon.

Maximum UV Index Levels in Seddon for December

The chart shows the monthly maximum UV Index (UVI) for Seddon 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 Seddon typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1313974224691113
Data source: Seddon 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 Seddon Compares to Other Months

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

This table compares monthly weather conditions in Seddon, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (62°F)47 mm (1.9 inches)79%extreme
February Weather16°C (62°F)61 mm (2.4 inches)79%extreme
March Weather15°C (59°F)67 mm (2.6 inches)79%very high
April Weather13°C (55°F)97 mm (3.8 inches)80%high
May Weather10°C (51°F)67 mm (2.7 inches)84%moderate
June Weather8°C (47°F)81 mm (3.2 inches)86%low
July Weather7°C (46°F)92 mm (3.6 inches)86%low
August Weather8°C (47°F)66 mm (2.6 inches)83%moderate
September Weather9°C (49°F)78 mm (3.1 inches)83%high
October Weather11°C (52°F)73 mm (2.9 inches)82%very high
November Weather13°C (56°F)76 mm (3.0 inches)82%extreme
December Weather15°C (60°F)102 mm (4.0 inches)81%extreme

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