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December Weather in Gundaroo, Australia

Last updated: August 22, 2025

In December, the average temperature in Gundaroo, Australia is a comfortable 19°C (66°F). However, be prepared for a wide range, as temperatures can drop to 4°C (39°F) or soar to 37°C (99°F). During the month, you can expect 74 mm (2.9 in) of precipitation spread across 8 days, with an average humidity level of 61%, making for a dynamic and engaging climate experience.

December Temperature in Gundaroo

In December in Gundaroo, the average temperature is 19°C (66°F), with maximums reaching 37°C (99°F) and minimums dipping as low as 4°C (39°F). This variation in temperature makes Gundaroo an ideal destination for travelers seeking diverse weather experiences.

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

The chart illustrates December temperature patterns in Gundaroo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gundaroo, December typically has an average temperature of 19°C (66°F), with highs reaching up to 37°C (99°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec716763564843434349566066
Data source: Temperature data for Gundaroo 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 Gundaroo

In Gundaroo in December, the precipitation amount is 74 mm (2.9 in) over a period of 8 days.

December Precipitation Trends in Gundaroo

The chart displays monthly precipitation patterns in Gundaroo, 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 Gundaroo, December typically receives around 74 mm (2.9 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec366377244640407347639374
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Gundaroo

In Gundaroo in December, humidity is 61%. With an average temperature of 19°C (66°F), this humidity feels like a warm, gentle embrace, making it ideal for leisurely exploration, though you might want to keep a light jacket handy for cooler evenings.

December Average Humidity in Gundaroo

This chart illustrates the average monthly humidity levels in Gundaroo, 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 Gundaroo is approximately 61%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec58%65%68%74%78%80%81%77%70%58%57%61%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Gundaroo

In Gundaroo in December, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Gundaroo.

Maximum UV Index Levels in Gundaroo for December

The chart shows the monthly maximum UV Index (UVI) for Gundaroo 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 Gundaroo typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151312853458101315
Data source: Gundaroo 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 Gundaroo Compares to Other Months

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

This table compares monthly weather conditions in Gundaroo, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather21°C (71°F)36 mm (1.4 inches)58%extreme
February Weather19°C (67°F)63 mm (2.5 inches)65%extreme
March Weather17°C (63°F)77 mm (3.0 inches)68%extreme
April Weather14°C (57°F)24 mm (1.0 inches)74%very high
May Weather9°C (49°F)46 mm (1.8 inches)78%moderate
June Weather6°C (44°F)40 mm (1.6 inches)79%moderate
July Weather6°C (43°F)40 mm (1.6 inches)80%moderate
August Weather6°C (44°F)73 mm (2.9 inches)77%moderate
September Weather10°C (49°F)47 mm (1.9 inches)70%very high
October Weather13°C (56°F)63 mm (2.5 inches)58%very high
November Weather16°C (61°F)93 mm (3.7 inches)57%extreme
December Weather19°C (66°F)74 mm (2.9 inches)61%extreme

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