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December Weather in Scottsdale, Australia

Last updated: August 22, 2025

In Scottsdale, Australia, the average temperature in December is a mild 14°C (58°F), with temperatures ranging from a cool 3°C (38°F) to a warm 32°C (89°F). Expect about 84 mm (3.3 in) of precipitation spread over 11 days, and a comfortable average humidity of 71%.

December Temperature in Scottsdale

In December, in Scottsdale, the average temperature is 14°C (58°F). The maximum can reach 32°C (89°F), while the minimum can drop as low as 3°C (38°F). This makes Scottsdale an ideal destination for travelers seeking a pleasant climate with a wide range of temperatures.

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

The chart illustrates December temperature patterns in Scottsdale, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Scottsdale, December typically has an average temperature of 14°C (58°F), with highs reaching up to 32°C (89°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec625958534844434446515558
Data source: Temperature data for Scottsdale 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 Scottsdale

In Scottsdale, in December, the precipitation amount is 84 mm (3.3 in) during a period of 11 days.

December Precipitation Trends in Scottsdale

The chart displays monthly precipitation patterns in Scottsdale, 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 Scottsdale, December typically receives around 84 mm (3.3 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec58828466856911790861007184
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Scottsdale

In Scottsdale in December humidity is 71%. With an average temperature of 14°C (58°F), this humidity feels like a damp embrace, making it essential for travelers to pack light, breathable clothing and stay hydrated while exploring the sights.

December Average Humidity in Scottsdale

This chart illustrates the average monthly humidity levels in Scottsdale, 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 Scottsdale is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec69%68%73%77%83%83%84%83%80%76%76%71%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Scottsdale

In Scottsdale 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 Scottsdale.

Maximum UV Index Levels in Scottsdale for December

The chart shows the monthly maximum UV Index (UVI) for Scottsdale 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 Scottsdale typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec13121064224781113
Data source: Scottsdale 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 Scottsdale Compares to Other Months

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

This table compares monthly weather conditions in Scottsdale, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (62°F)58 mm (2.3 inches)69%extreme
February Weather15°C (59°F)82 mm (3.2 inches)68%extreme
March Weather15°C (58°F)84 mm (3.3 inches)72%very high
April Weather11°C (53°F)66 mm (2.6 inches)77%high
May Weather9°C (48°F)85 mm (3.4 inches)83%moderate
June Weather7°C (45°F)69 mm (2.7 inches)83%low
July Weather6°C (44°F)117 mm (4.6 inches)84%low
August Weather7°C (44°F)90 mm (3.5 inches)83%moderate
September Weather8°C (47°F)86 mm (3.4 inches)80%high
October Weather11°C (51°F)100 mm (3.9 inches)76%very high
November Weather13°C (55°F)71 mm (2.8 inches)76%extreme
December Weather14°C (58°F)84 mm (3.3 inches)71%extreme

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