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December Weather in Merrigum, Australia

Last updated: August 22, 2025

In Merrigum, Australia, the average temperature in December hovers around 22°C (72°F). Expect a minimum of 8°C (46°F) and a maximum reaching up to 44°C (112°F). During this month, precipitation amounts to 51 mm (2.0 in), typically spread over 5 days, while the average humidity remains comfortable at 51%.

December Temperature in Merrigum

In December in Merrigum, the average temperature is 22°C (72°F), with maximums reaching as high as 44°C (112°F) and minimums dropping to as low as 8°C (46°F). Whether you're looking to enjoy the warmth or prefer cooler evenings, be prepared for a wide range of temperatures during your travels.

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

The chart illustrates December temperature patterns in Merrigum, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Merrigum, December typically has an average temperature of 22°C (72°F), with highs reaching up to 44°C (112°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec777370615348484954606672
Data source: Temperature data for Merrigum 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 Merrigum

In Merrigum in December, the precipitation amount is 51 mm (2.0 in) over a period of 5 days.

December Precipitation Trends in Merrigum

The chart displays monthly precipitation patterns in Merrigum, 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 Merrigum, December typically receives around 51 mm (2.0 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec293132364639444435505451
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Merrigum

In Merrigum in December, humidity is 51%. With an average temperature of 22°C (72°F), this humidity feels like a warm embrace, making it comfortable for exploring the sights while still refreshing enough for outdoor activities.

December Average Humidity in Merrigum

This chart illustrates the average monthly humidity levels in Merrigum, 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 Merrigum is approximately 51%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec45%52%61%72%79%82%84%80%73%60%58%51%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Merrigum

In Merrigum 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 Merrigum.

Maximum UV Index Levels in Merrigum for December

The chart shows the monthly maximum UV Index (UVI) for Merrigum 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 Merrigum typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141211753357101215
Data source: Merrigum 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 Merrigum Compares to Other Months

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

This table compares monthly weather conditions in Merrigum, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)29 mm (1.1 inches)45%extreme
February Weather23°C (73°F)31 mm (1.2 inches)52%extreme
March Weather21°C (70°F)32 mm (1.3 inches)61%extreme
April Weather16°C (62°F)36 mm (1.4 inches)72%high
May Weather12°C (53°F)46 mm (1.8 inches)79%moderate
June Weather9°C (48°F)38 mm (1.5 inches)82%moderate
July Weather9°C (48°F)43 mm (1.7 inches)84%moderate
August Weather9°C (49°F)44 mm (1.7 inches)80%moderate
September Weather12°C (54°F)35 mm (1.4 inches)73%high
October Weather16°C (61°F)50 mm (2.0 inches)60%very high
November Weather19°C (67°F)54 mm (2.1 inches)58%extreme
December Weather22°C (72°F)51 mm (2.0 inches)51%extreme

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