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December Weather in Heyfield, Australia

Last updated: August 22, 2025

In December, the average temperature in Heyfield, Australia hovers around 18°C (64°F), offering a pleasant climate for exploration. However, be prepared for temperature fluctuations, as it can dip to a chilly 5°C (41°F) or soar to a scorching 40°C (104°F). The month brings along about 78 mm (3.1 in) of precipitation spread over 9 days, while the average humidity sits comfortably at 67%, contributing to the region's vibrant atmosphere.

December Temperature in Heyfield

In December in Heyfield, the average temperature is 18°C (64°F). Maximums can reach up to 40°C (104°F), while minimums can dip as low as 5°C (41°F). Be prepared for a wide range of temperatures, and pack accordingly to ensure a comfortable trip.

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

The chart illustrates December temperature patterns in Heyfield, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Heyfield, December typically has an average temperature of 18°C (64°F), with highs reaching up to 40°C (104°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec686563585247484852566064
Data source: Temperature data for Heyfield 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 Heyfield

In Heyfield in December, the precipitation amount is 78 mm (3.1 in) over the course of 9 days.

December Precipitation Trends in Heyfield

The chart displays monthly precipitation patterns in Heyfield, 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 Heyfield, December typically receives around 78 mm (3.1 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec485745454847426158798478
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Heyfield

In Heyfield in December humidity is 67%. With an average temperature of 18°C (64°F), this humidity feels like a warm embrace, making travel quite comfortable but slightly sticky, encouraging lightweight clothing and the occasional refreshing break in the shade.

December Average Humidity in Heyfield

This chart illustrates the average monthly humidity levels in Heyfield, 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 Heyfield is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec64%65%70%75%79%81%82%80%77%71%71%67%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Heyfield

In Heyfield 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 Heyfield, you can check here.

Maximum UV Index Levels in Heyfield for December

The chart shows the monthly maximum UV Index (UVI) for Heyfield 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 Heyfield typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec13121174335791214
Data source: Heyfield 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 Heyfield Compares to Other Months

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

This table compares monthly weather conditions in Heyfield, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather20°C (68°F)48 mm (1.9 inches)64%extreme
February Weather18°C (65°F)57 mm (2.3 inches)65%extreme
March Weather17°C (64°F)45 mm (1.8 inches)70%extreme
April Weather14°C (58°F)45 mm (1.8 inches)75%high
May Weather11°C (52°F)48 mm (1.9 inches)79%moderate
June Weather9°C (48°F)46 mm (1.8 inches)81%moderate
July Weather9°C (48°F)42 mm (1.6 inches)82%moderate
August Weather9°C (49°F)61 mm (2.4 inches)80%moderate
September Weather11°C (52°F)58 mm (2.3 inches)77%high
October Weather13°C (57°F)79 mm (3.1 inches)71%very high
November Weather16°C (61°F)84 mm (3.3 inches)71%extreme
December Weather18°C (64°F)78 mm (3.1 inches)67%extreme

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