nomadseason

December Weather in Scottdale, United States

Last updated: June 24, 2025

In December, the average temperature in Scottdale, United States hovers around 2°C (36°F). Expect chilly days with a minimum of -18°C (0°F) and the possibility of warmth peaking at 18°C (65°F). Rainfall is moderate, with 127 mm (5.0 in) spread over 15 days, and humidity remains high at about 85%. Prepare for a blend of wintry conditions and occasional thaw!

December Temperature in Scottdale

In December in Scottdale, the average temperature is 2°C (36°F), with maximums reaching up to 18°C (65°F) and minimums plunging as low as -18°C (0°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for both mild days and cold nights.

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

The chart illustrates December temperature patterns in Scottdale, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Scottdale, December typically has an average temperature of 2°C (36°F), with highs reaching up to 18°C (65°F) and lows dropping to around -18°C (0°F).
JanFebMarAprMayJunJulAugSepOctNovDec303541516169737266564136
Data source: Temperature data for Scottdale generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Scottdale

In Scottdale in December, the total precipitation amount is 127 mm (5.0 in) distributed over 15 days.

December Precipitation Trends in Scottdale

The chart displays monthly precipitation patterns in Scottdale, 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 Scottdale, December typically receives around 127 mm (5.0 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec951391201331511621178911211692127
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Scottdale

In Scottdale in December, humidity is 85%. With an average temperature of 2°C (36°F), this humidity feels like an icy blanket clinging to your skin, making travel challenging as the cold dampness seeps into your bones and fogs your breath.

December Average Humidity in Scottdale

This chart illustrates the average monthly humidity levels in Scottdale, 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 Scottdale is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%86%84%78%79%70%59%68%80%87%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Scottdale

In Scottdale in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Scottdale, you can check the information here.

Maximum UV Index Levels in Scottdale for December

The chart shows the monthly maximum UV Index (UVI) for Scottdale 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 Scottdale typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101010108643
Data source: Scottdale 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 Scottdale Compares to Other Months

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

This table compares monthly weather conditions in Scottdale, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)95 mm (3.8 inches)86%moderate
February Weather2°C (35°F)139 mm (5.5 inches)86%moderate
March Weather5°C (41°F)120 mm (4.7 inches)86%high
April Weather10°C (51°F)133 mm (5.2 inches)84%very high
May Weather16°C (62°F)151 mm (6.0 inches)78%very high
June Weather20°C (69°F)162 mm (6.4 inches)79%very high
July Weather23°C (74°F)117 mm (4.6 inches)70%very high
August Weather22°C (72°F)89 mm (3.5 inches)59%very high
September Weather19°C (67°F)112 mm (4.4 inches)68%very high
October Weather14°C (57°F)115 mm (4.5 inches)80%high
November Weather5°C (42°F)92 mm (3.6 inches)86%moderate
December Weather2°C (36°F)127 mm (5.0 inches)85%moderate

Compare Scottdale's Climate with Cities Worldwide