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December Weather in Penrose, United States

Last updated: June 24, 2025

In December, the average temperature in Penrose, United States hovers around -1°C (31°F), with extremes ranging from a frigid -19°C (-1°F) to a surprisingly warm 20°C (69°F). During this time, you can expect 11 mm (0.4 in) of precipitation spread over about 3 days, contributing to an average humidity level of 89%. Whether you're bundling up against the cold or experiencing unexpected warmth, Penrose offers a unique and dynamic climate this month.

December Temperature in Penrose

In December in Penrose, the average temperature is -1°C (31°F), with maximums reaching 20°C (69°F) and minimums dropping as low as -19°C (-1°F). Travelers should be prepared for a wide range of temperatures, so packing layers is essential.

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

The chart illustrates December temperature patterns in Penrose, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Penrose, December typically has an average temperature of -1°C (31°F), with highs reaching up to 20°C (69°F) and lows dropping to around -19°C (-1°F).
JanFebMarAprMayJunJulAugSepOctNovDec282739465567716964483831
Data source: Temperature data for Penrose 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 Penrose

In Penrose in December, the precipitation amount is 11 mm (0.4 in) over the course of 3 days.

December Precipitation Trends in Penrose

The chart displays monthly precipitation patterns in Penrose, 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 Penrose, December typically receives around 11 mm (0.4 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec152137416442786231251611
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Penrose

In Penrose in December humidity is 89%. With an average temperature of -1°C (31°F), this humidity feels like a biting chill that seeps into your bones, making outdoor activities uncomfortable and urging you to seek warmth indoors.

December Average Humidity in Penrose

This chart illustrates the average monthly humidity levels in Penrose, 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 Penrose is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%81%76%67%58%52%56%65%76%82%89%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Penrose

In Penrose in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Penrose for better planning.

Maximum UV Index Levels in Penrose for December

The chart shows the monthly maximum UV Index (UVI) for Penrose 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 Penrose typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec479111213121210754
Data source: Penrose 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 Penrose Compares to Other Months

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

This table compares monthly weather conditions in Penrose, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)15 mm (0.6 inches)88%moderate
February Weather-3°C (28°F)21 mm (0.8 inches)87%high
March Weather4°C (39°F)37 mm (1.5 inches)81%very high
April Weather8°C (46°F)41 mm (1.6 inches)76%extreme
May Weather13°C (55°F)64 mm (2.5 inches)66%extreme
June Weather20°C (68°F)42 mm (1.7 inches)58%extreme
July Weather22°C (72°F)78 mm (3.1 inches)52%extreme
August Weather21°C (70°F)62 mm (2.4 inches)56%extreme
September Weather18°C (64°F)31 mm (1.2 inches)65%very high
October Weather9°C (48°F)25 mm (1.0 inches)76%high
November Weather3°C (38°F)15 mm (0.6 inches)82%moderate
December Weather-1°C (31°F)11 mm (0.4 inches)89%moderate

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