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December Weather in Newport, Australia

Last updated: August 22, 2025

In December, the average temperature in Newport, Australia hovers around 21°C (70°F). Expect a minimum of 15°C (60°F) and a maximum that can reach up to 30°C (87°F). During this month, you'll encounter approximately 78 mm (3.1 in) of precipitation spread across about 11 days, along with an average humidity of 68%. 🌦️

December Temperature in Newport

In December in Newport, the average temperature is 21°C (70°F). Maximums can reach 30°C (87°F), and minimums can be as low as 15°C (60°F). This pleasant weather makes Newport an ideal destination for travelers seeking a comfortable climate.

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

The chart illustrates December temperature patterns in Newport, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Newport, December typically has an average temperature of 21°C (70°F), with highs reaching up to 30°C (87°F) and lows dropping to around 15°C (60°F).
JanFebMarAprMayJunJulAugSepOctNovDec737371676258575761646770
Data source: Temperature data for Newport 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 Newport

In Newport in December, the precipitation amount is 78 mm (3.1 in) over the course of 11 days.

December Precipitation Trends in Newport

The chart displays monthly precipitation patterns in Newport, 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 Newport, December typically receives around 78 mm (3.1 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec421251864063108545349858578
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Newport

In Newport in December humidity is 68%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace, making the air feel slightly heavy and sticky, which can be quite exhausting for travelers.

December Average Humidity in Newport

This chart illustrates the average monthly humidity levels in Newport, 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 Newport is approximately 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%69%72%75%74%72%68%67%63%55%58%68%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Newport

In Newport in December, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Newport, you can check here.

Maximum UV Index Levels in Newport for December

The chart shows the monthly maximum UV Index (UVI) for Newport 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 Newport typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141311853468101214
Data source: Newport 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 Newport Compares to Other Months

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

This table compares monthly weather conditions in Newport, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (74°F)42 mm (1.7 inches)65%extreme
February Weather23°C (73°F)125 mm (4.9 inches)69%extreme
March Weather22°C (71°F)185 mm (7.3 inches)72%extreme
April Weather19°C (67°F)40 mm (1.6 inches)75%very high
May Weather17°C (62°F)63 mm (2.5 inches)74%moderate
June Weather14°C (58°F)108 mm (4.3 inches)72%moderate
July Weather14°C (57°F)54 mm (2.1 inches)68%moderate
August Weather14°C (58°F)53 mm (2.1 inches)67%high
September Weather16°C (61°F)49 mm (1.9 inches)63%very high
October Weather18°C (65°F)85 mm (3.4 inches)55%very high
November Weather19°C (67°F)85 mm (3.3 inches)57%extreme
December Weather21°C (70°F)78 mm (3.1 inches)68%extreme

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