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December Weather in Subiaco, United States

Last updated: June 24, 2025

In December, the average temperature in Subiaco, United States hovers around 8°C (46°F). Expect a wide range of temperatures, with minimums dipping to -7°C (20°F) and maximums reaching up to 26°C (78°F). During this month, precipitation averages 96 mm (3.8 in) over approximately 8 days, accompanied by a high average humidity of 87%.

December Temperature in Subiaco

In December in Subiaco, the average temperature is 8°C (46°F), with maximums reaching 26°C (78°F) and minimums dropping as low as -7°C (20°F). This range of temperatures makes it essential for travelers to pack accordingly, ensuring comfort for the varying weather conditions.

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

The chart illustrates December temperature patterns in Subiaco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Subiaco, December typically has an average temperature of 8°C (46°F), with highs reaching up to 26°C (78°F) and lows dropping to around -7°C (20°F).
JanFebMarAprMayJunJulAugSepOctNovDec404454597077817975635046
Data source: Temperature data for Subiaco 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 Subiaco

In Subiaco in December, the precipitation amount is 96 mm (3.8 in) over the course of 8 days.

December Precipitation Trends in Subiaco

The chart displays monthly precipitation patterns in Subiaco, 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 Subiaco, December typically receives around 96 mm (3.8 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec8312814117320612693145641148596
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Subiaco

In Subiaco in December, humidity is 87%. With an average temperature of 8°C (46°F), this humidity feels like a chilly, damp fog clinging to your skin, making outdoor activities a bit uncomfortable and causing even mild exertion to leave you feeling clammy and cold.

December Average Humidity in Subiaco

This chart illustrates the average monthly humidity levels in Subiaco, 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 Subiaco is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%77%78%82%81%75%61%59%69%82%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Subiaco

In Subiaco in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Subiaco for better planning.

Maximum UV Index Levels in Subiaco for December

The chart shows the monthly maximum UV Index (UVI) for Subiaco 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 Subiaco typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111109754
Data source: Subiaco 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 Subiaco Compares to Other Months

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

This table compares monthly weather conditions in Subiaco, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)83 mm (3.3 inches)82%moderate
February Weather7°C (44°F)128 mm (5.0 inches)79%high
March Weather12°C (54°F)141 mm (5.5 inches)77%very high
April Weather15°C (60°F)173 mm (6.8 inches)78%very high
May Weather21°C (70°F)206 mm (8.1 inches)82%extreme
June Weather25°C (78°F)126 mm (4.9 inches)81%extreme
July Weather27°C (81°F)93 mm (3.7 inches)75%extreme
August Weather26°C (79°F)145 mm (5.7 inches)61%very high
September Weather24°C (76°F)64 mm (2.5 inches)59%very high
October Weather17°C (63°F)114 mm (4.5 inches)69%high
November Weather10°C (50°F)85 mm (3.3 inches)82%moderate
December Weather8°C (46°F)96 mm (3.8 inches)87%moderate

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