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December Weather in Pinnacle, United States

Last updated: June 24, 2025

In Pinnacle, United States, the average temperature in December hovers around 7°C (44°F), making it a chilly time of year. Temperature extremes can range from a frosty -9°C (15°F) to a balmy 22°C (72°F). Be prepared for light rain, as precipitation typically totals 108 mm (4.2 in) across about 8 days. With an average humidity of 86%, the air carries a crisp freshness that defines the season.

December Temperature in Pinnacle

In December in Pinnacle, the average temperature is 7°C (44°F), with maximums reaching 22°C (72°F) and minimums dropping as low as -9°C (15°F). This temperature variation makes it a great time for travelers to experience the unique seasonal offerings of Pinnacle.

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

The chart illustrates December temperature patterns in Pinnacle, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pinnacle, December typically has an average temperature of 7°C (44°F), with highs reaching up to 22°C (72°F) and lows dropping to around -9°C (15°F).
JanFebMarAprMayJunJulAugSepOctNovDec404651596875797772634844
Data source: Temperature data for Pinnacle 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 Pinnacle

In Pinnacle in December, the precipitation amount is 108 mm (4.2 in), which occurs over a span of 8 days.

December Precipitation Trends in Pinnacle

The chart displays monthly precipitation patterns in Pinnacle, 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 Pinnacle, December typically receives around 108 mm (4.2 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec8111685127126887811313312486108
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Pinnacle

In Pinnacle in December, humidity is 86%. With an average temperature of 7°C (44°F), this humidity feels like a chilly, damp blanket wrapping around you, making outdoor activities uncomfortable and travel quite uninviting.

December Average Humidity in Pinnacle

This chart illustrates the average monthly humidity levels in Pinnacle, 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 Pinnacle is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%86%84%83%83%79%66%68%78%89%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Pinnacle

In Pinnacle 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 Pinnacle, you can check the information here.

Maximum UV Index Levels in Pinnacle for December

The chart shows the monthly maximum UV Index (UVI) for Pinnacle 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 Pinnacle typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810101110109853
Data source: Pinnacle 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 Pinnacle Compares to Other Months

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

This table compares monthly weather conditions in Pinnacle, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)81 mm (3.2 inches)87%moderate
February Weather8°C (46°F)116 mm (4.6 inches)87%high
March Weather10°C (51°F)85 mm (3.4 inches)86%very high
April Weather15°C (59°F)127 mm (5.0 inches)84%very high
May Weather20°C (68°F)126 mm (5.0 inches)83%very high
June Weather24°C (75°F)88 mm (3.5 inches)83%extreme
July Weather26°C (79°F)78 mm (3.1 inches)79%very high
August Weather25°C (77°F)113 mm (4.4 inches)66%very high
September Weather22°C (73°F)133 mm (5.2 inches)68%very high
October Weather17°C (63°F)124 mm (4.9 inches)78%very high
November Weather9°C (49°F)86 mm (3.4 inches)89%moderate
December Weather7°C (44°F)108 mm (4.2 inches)86%moderate

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