December Weather in Hay, Australia

Last updated: August 22, 2025

In December, the average temperature in Hay, Australia is a pleasant 24°C (76°F). However, be prepared for a range, as temperatures can dip as low as 8°C (47°F) and soar up to a scorching 45°C (114°F). Expect about 26 mm (1.0 in) of precipitation over 3 days, with an average humidity of 39%, making it a comfortable month to explore!

December Temperature in Hay

In December in Hay, the average temperature is 24°C (76°F). Maximum temperatures can reach 45°C (114°F), while minimums can drop as low as 8°C (47°F). Be sure to pack accordingly to enjoy the varied weather during your travels!

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

The chart illustrates December temperature patterns in Hay, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hay, December typically has an average temperature of 24°C (76°F), with highs reaching up to 45°C (114°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec817672645449495057647076
Data source: Temperature data for Hay 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 Hay

In Hay in December, the precipitation amount is 26 mm (1.0 in) recorded over the course of 3 days.

December Precipitation Trends in Hay

The chart displays monthly precipitation patterns in Hay, 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 Hay, December typically receives around 26 mm (1.0 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec221524312626202517353526
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Hay

In Hay in December, humidity is 39%. With an average temperature of 24°C (76°F), this humidity feels like a comfortable walk in the park, allowing for enjoyable outdoor activities without feeling oppressively hot.

December Average Humidity in Hay

This chart illustrates the average monthly humidity levels in Hay, 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 Hay is approximately 39%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec35%42%53%64%73%77%78%73%66%52%47%40%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Hay

In Hay 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 Hay.

Maximum UV Index Levels in Hay for December

The chart shows the monthly maximum UV Index (UVI) for Hay 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 Hay typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141312853458111315
Data source: Hay 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 Hay Compares to Other Months

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

This table compares monthly weather conditions in Hay, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)21 mm (0.8 inches)35%extreme
February Weather25°C (77°F)15 mm (0.6 inches)42%extreme
March Weather22°C (72°F)24 mm (0.9 inches)53%extreme
April Weather18°C (64°F)31 mm (1.2 inches)64%very high
May Weather12°C (55°F)26 mm (1.0 inches)73%moderate
June Weather9°C (49°F)26 mm (1.0 inches)77%moderate
July Weather9°C (49°F)20 mm (0.8 inches)78%moderate
August Weather10°C (50°F)24 mm (1.0 inches)73%moderate
September Weather14°C (57°F)17 mm (0.7 inches)66%very high
October Weather18°C (64°F)35 mm (1.4 inches)52%extreme
November Weather21°C (70°F)35 mm (1.4 inches)47%extreme
December Weather24°C (76°F)26 mm (1.0 inches)39%extreme

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