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December Weather in Roma, Australia

Last updated: August 22, 2025

In December, the average temperature in Roma, Australia hovers around 27°C (81°F). Expect a minimum dip to 12°C (54°F) and a soaring maximum of 42°C (108°F). Precipitation is modest at 37 mm (1.5 in) over approximately 6 days, while the average humidity remains comfortably at 64%. Enjoy the diversity of this climate!

December Temperature in Roma

In December in Roma, the average temperature is 27°C (81°F). The maximum can reach 42°C (108°F), and the minimum can be as low as 12°C (54°F). Therefore, travelers should be prepared for a wide range of temperatures, making it essential to pack both light clothing for the heat and warmer layers for cooler evenings.

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

The chart illustrates December temperature patterns in Roma, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Roma, December typically has an average temperature of 27°C (81°F), with highs reaching up to 42°C (108°F) and lows dropping to around 12°C (54°F).
JanFebMarAprMayJunJulAugSepOctNovDec838076686154545765727680
Data source: Temperature data for Roma 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 Roma

In Roma in December, the precipitation amount is 37 mm (1.5 in) over the course of 6 days.

December Precipitation Trends in Roma

The chart displays monthly precipitation patterns in Roma, 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 Roma, December typically receives around 37 mm (1.5 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec3257871071612116655337
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Roma

In Roma in December humidity is 64%. With an average temperature of 27°C (81°F), this humidity feels like a warm embrace, making travel enjoyable yet slightly sticky, as you explore the sights under the bright sun.

December Average Humidity in Roma

This chart illustrates the average monthly humidity levels in Roma, 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 Roma is approximately 64%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec58%57%72%74%72%73%68%72%64%49%48%64%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Roma

In Roma 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 Roma.

Maximum UV Index Levels in Roma for December

The chart shows the monthly maximum UV Index (UVI) for Roma 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 Roma typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15151410856911131515
Data source: Roma 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 Roma Compares to Other Months

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

This table compares monthly weather conditions in Roma, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather28°C (83°F)32 mm (1.3 inches)58%extreme
February Weather27°C (80°F)57 mm (2.2 inches)57%extreme
March Weather24°C (76°F)87 mm (3.4 inches)72%extreme
April Weather20°C (68°F)10 mm (0.4 inches)74%very high
May Weather16°C (61°F)7 mm (0.3 inches)72%very high
June Weather12°C (54°F)16 mm (0.6 inches)73%moderate
July Weather12°C (54°F)12 mm (0.5 inches)68%high
August Weather14°C (57°F)11 mm (0.4 inches)72%very high
September Weather18°C (65°F)6 mm (0.3 inches)64%extreme
October Weather22°C (72°F)65 mm (2.6 inches)49%extreme
November Weather24°C (76°F)53 mm (2.1 inches)47%extreme
December Weather27°C (81°F)37 mm (1.5 inches)64%extreme

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