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December Weather in Renwick, New Zealand

Last updated: August 31, 2025

In Renwick, New Zealand, the average temperature in December hovers around 15°C (60°F). Expect minimums to dip to 3°C (37°F) and maximums reaching 27°C (81°F). During this month, anticipate 138 mm (5.4 in) of precipitation spread over 14 days, coupled with an average humidity level of 81%.

December Temperature in Renwick

In December in Renwick, the average temperature is 15°C (60°F). Maximums can reach 27°C (81°F), and minimums can be as low as 3°C (37°F). This makes it an ideal time for travelers seeking mild weather to explore the sights and enjoy outdoor activities.

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

The chart illustrates December temperature patterns in Renwick, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Renwick, December typically has an average temperature of 15°C (60°F), with highs reaching up to 27°C (81°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec636258534944434548525660
Data source: Temperature data for Renwick 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 Renwick

In Renwick in December, the total precipitation amount is 138 mm (5.4 in) over a span of 14 days.

December Precipitation Trends in Renwick

The chart displays monthly precipitation patterns in Renwick, 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 Renwick, December typically receives around 138 mm (5.4 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec6077861141057113297109100105138
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Renwick

In Renwick 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 Renwick

This chart illustrates the average monthly humidity levels in Renwick, 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 Renwick 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 Renwick

In Renwick 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 Renwick.

Maximum UV Index Levels in Renwick for December

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

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

This table compares monthly weather conditions in Renwick, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (63°F)60 mm (2.4 inches)79%extreme
February Weather16°C (62°F)77 mm (3.0 inches)79%extreme
March Weather15°C (59°F)86 mm (3.4 inches)79%very high
April Weather12°C (53°F)114 mm (4.5 inches)80%high
May Weather9°C (49°F)105 mm (4.1 inches)84%moderate
June Weather7°C (45°F)70 mm (2.8 inches)86%low
July Weather6°C (43°F)132 mm (5.2 inches)86%low
August Weather7°C (45°F)97 mm (3.8 inches)83%moderate
September Weather9°C (48°F)109 mm (4.3 inches)83%high
October Weather11°C (52°F)100 mm (3.9 inches)82%very high
November Weather13°C (56°F)105 mm (4.1 inches)82%extreme
December Weather15°C (60°F)138 mm (5.4 inches)81%extreme

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