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December Weather in Morwell, Australia

Last updated: August 22, 2025

In December, the average temperature in Morwell, Australia hovers around 17°C (62°F), with a variety that ranges from a chilly 4°C (39°F) to a scorching 39°C (102°F). Expect 79 mm (3.1 in) of precipitation over approximately 9 days, contributing to an average humidity of 67%. This combination of warmth and moisture creates a unique climate to explore!

December Temperature in Morwell

In December in Morwell, the average temperature is 17°C (62°F). Maximums can reach 39°C (102°F), while minimums can dip as low as 4°C (39°F). It's essential to pack both light clothing for the warm days and warmer layers for the cooler nights while traveling.

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

The chart illustrates December temperature patterns in Morwell, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Morwell, December typically has an average temperature of 17°C (62°F), with highs reaching up to 39°C (102°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec666462575147474751555962
Data source: Temperature data for Morwell 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 Morwell

In Morwell in December, the precipitation amount is 79 mm (3.1 in) spread over 9 days.

December Precipitation Trends in Morwell

The chart displays monthly precipitation patterns in Morwell, 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 Morwell, December typically receives around 79 mm (3.1 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec445245566252558478878079
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Morwell

In Morwell in December, humidity is 67%. With an average temperature of 17°C (62°F), this humidity feels like a warm embrace, making travel enjoyable as long as you stay hydrated and take breaks in shaded areas.

December Average Humidity in Morwell

This chart illustrates the average monthly humidity levels in Morwell, 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 Morwell 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 Morwell

In Morwell in December, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Morwell.

Maximum UV Index Levels in Morwell for December

The chart shows the monthly maximum UV Index (UVI) for Morwell 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 Morwell typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec13121174334791113
Data source: Morwell 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 Morwell Compares to Other Months

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

This table compares monthly weather conditions in Morwell, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather19°C (66°F)44 mm (1.7 inches)64%extreme
February Weather18°C (64°F)52 mm (2.0 inches)65%extreme
March Weather17°C (63°F)45 mm (1.8 inches)70%extreme
April Weather14°C (57°F)56 mm (2.2 inches)75%high
May Weather11°C (51°F)62 mm (2.5 inches)79%moderate
June Weather8°C (47°F)52 mm (2.0 inches)81%moderate
July Weather8°C (47°F)55 mm (2.2 inches)82%moderate
August Weather9°C (48°F)84 mm (3.3 inches)80%moderate
September Weather10°C (51°F)78 mm (3.1 inches)77%high
October Weather13°C (55°F)87 mm (3.4 inches)71%very high
November Weather15°C (59°F)80 mm (3.2 inches)71%extreme
December Weather17°C (62°F)79 mm (3.1 inches)67%extreme

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