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December Weather in McConnellsburg, United States

Last updated: June 24, 2025

In December, the average temperature in McConnellsburg, United States is a chilly 2°C (36°F). During this time, expect minimum temperatures to plummet to -14°C (8°F), while the maximum can reach a mild 19°C (66°F). With an average precipitation of 93 mm (3.7 in) spread over 9 days, this season also boasts a high humidity of 85%, making for a crisp and damp atmosphere.

December Temperature in McConnellsburg

In December in McConnellsburg, the average temperature is 2°C (36°F), with maximums reaching up to 19°C (66°F) and minimums plunging as low as -14°C (8°F). Be sure to pack layers to stay comfortable amid the wide range of temperatures during your travels.

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

The chart illustrates December temperature patterns in McConnellsburg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In McConnellsburg, December typically has an average temperature of 2°C (36°F), with highs reaching up to 19°C (66°F) and lows dropping to around -14°C (8°F).
JanFebMarAprMayJunJulAugSepOctNovDec323541526271777468574236
Data source: Temperature data for McConnellsburg 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 McConnellsburg

In McConnellsburg in December, the precipitation amount is 93 mm (3.7 in) over the course of 9 days.

December Precipitation Trends in McConnellsburg

The chart displays monthly precipitation patterns in McConnellsburg, 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 McConnellsburg, December typically receives around 93 mm (3.7 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec6110089107123100121991251117693
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in McConnellsburg

In McConnellsburg 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 McConnellsburg

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

In McConnellsburg 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 McConnellsburg, you can check the information here.

Maximum UV Index Levels in McConnellsburg for December

The chart shows the monthly maximum UV Index (UVI) for McConnellsburg 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 McConnellsburg typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098743
Data source: McConnellsburg 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 McConnellsburg Compares to Other Months

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

This table compares monthly weather conditions in McConnellsburg, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)61 mm (2.4 inches)86%moderate
February Weather2°C (35°F)100 mm (3.9 inches)86%moderate
March Weather5°C (42°F)89 mm (3.5 inches)86%high
April Weather11°C (52°F)107 mm (4.2 inches)84%very high
May Weather17°C (63°F)123 mm (4.8 inches)78%very high
June Weather22°C (71°F)99 mm (3.9 inches)79%very high
July Weather25°C (77°F)121 mm (4.8 inches)70%very high
August Weather23°C (74°F)99 mm (3.9 inches)59%very high
September Weather20°C (68°F)125 mm (4.9 inches)68%very high
October Weather14°C (58°F)110 mm (4.3 inches)80%high
November Weather6°C (43°F)76 mm (3.0 inches)86%moderate
December Weather2°C (36°F)93 mm (3.7 inches)85%moderate

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