nomadseason

December Weather in Stanley, United States

Last updated: June 24, 2025

In Stanley, United States, the average temperature in December is a chilly 4°C (39°F). Temperatures can fluctuate significantly, with minimums dropping to -13°C (8°F) and maximums reaching a brisk 21°C (70°F). Expect about 85 mm (3.3 in) of precipitation spread over 8 days, contributing to an average humidity of 85%. Stay prepared for a mix of weather!

December Temperature in Stanley

In December in Stanley, the average temperature is 4°C (39°F), with maximums reaching 21°C (70°F) and minimums dropping as low as -13°C (8°F). Travelers should be prepared for a wide range of temperatures during this time, making layering essential for comfort.

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

The chart illustrates December temperature patterns in Stanley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Stanley, December typically has an average temperature of 4°C (39°F), with highs reaching up to 21°C (70°F) and lows dropping to around -13°C (8°F).
JanFebMarAprMayJunJulAugSepOctNovDec343945556472777468594439
Data source: Temperature data for Stanley 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 Stanley

In Stanley in December, the precipitation amount is 85 mm (3.3 in) over the course of 8 days.

December Precipitation Trends in Stanley

The chart displays monthly precipitation patterns in Stanley, 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 Stanley, December typically receives around 85 mm (3.3 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec619172111120114871311071078285
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Stanley

In Stanley in December, humidity is 85%. With an average temperature of 4°C (39°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable and requiring extra layers to ward off the cold and moisture.

December Average Humidity in Stanley

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

In Stanley 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 Stanley, you can check the information here.

Maximum UV Index Levels in Stanley for December

The chart shows the monthly maximum UV Index (UVI) for Stanley 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 Stanley typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579111010108753
Data source: Stanley 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 Stanley Compares to Other Months

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

This table compares monthly weather conditions in Stanley, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)61 mm (2.4 inches)86%moderate
February Weather4°C (40°F)91 mm (3.6 inches)86%moderate
March Weather7°C (45°F)72 mm (2.8 inches)86%high
April Weather13°C (55°F)111 mm (4.4 inches)84%very high
May Weather18°C (64°F)120 mm (4.7 inches)78%extreme
June Weather22°C (72°F)114 mm (4.5 inches)79%very high
July Weather25°C (77°F)87 mm (3.4 inches)70%very high
August Weather23°C (74°F)131 mm (5.2 inches)59%very high
September Weather20°C (69°F)107 mm (4.2 inches)68%very high
October Weather15°C (59°F)107 mm (4.2 inches)80%high
November Weather7°C (44°F)82 mm (3.2 inches)86%moderate
December Weather4°C (39°F)85 mm (3.3 inches)85%moderate

Compare Stanley's Climate with Cities Worldwide