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December Weather in Fincastle, United States

Last updated: June 24, 2025

In December, the average temperature in Fincastle, United States hovers around 4°C (39°F), with minimums dipping to -16°C (4°F) and maximums reaching up to 19°C (67°F). Be prepared for about 98 mm (3.9 in) of precipitation spread over 8 days, and with an average humidity of 86%, it’s sure to be a brisk and damp month!

December Temperature in Fincastle

In December in Fincastle, the average temperature is 4°C (39°F). Maximum can reach 19°C (67°F) and minimum can be as low as -16°C (4°F). Be sure to pack layers to stay comfortable while exploring the diverse weather conditions.

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

The chart illustrates December temperature patterns in Fincastle, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fincastle, December typically has an average temperature of 4°C (39°F), with highs reaching up to 19°C (67°F) and lows dropping to around -16°C (4°F).
JanFebMarAprMayJunJulAugSepOctNovDec354045546370757368584439
Data source: Temperature data for Fincastle 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 Fincastle

In Fincastle in December, the total precipitation amount is 98 mm (3.9 in), occurring over 8 days.

December Precipitation Trends in Fincastle

The chart displays monthly precipitation patterns in Fincastle, 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 Fincastle, December typically receives around 98 mm (3.9 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec7411182120147117781091141147598
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Fincastle

In Fincastle in December humidity is 86%. With an average temperature of 4°C (39°F), this humidity feels like a chilly mist enveloping you, making it essential to bundle up while exploring, as each breath comes with a damp chill that can be quite refreshing yet starkly invigorating for travelers.

December Average Humidity in Fincastle

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

In Fincastle 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 Fincastle, you can check the information here.

Maximum UV Index Levels in Fincastle for December

The chart shows the monthly maximum UV Index (UVI) for Fincastle 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 Fincastle typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36810101111109753
Data source: Fincastle 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 Fincastle Compares to Other Months

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

This table compares monthly weather conditions in Fincastle, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)73 mm (2.9 inches)87%moderate
February Weather5°C (41°F)111 mm (4.4 inches)87%high
March Weather7°C (46°F)82 mm (3.2 inches)86%very high
April Weather12°C (55°F)120 mm (4.7 inches)84%very high
May Weather17°C (64°F)147 mm (5.8 inches)83%very high
June Weather21°C (70°F)117 mm (4.6 inches)83%extreme
July Weather24°C (75°F)78 mm (3.1 inches)79%extreme
August Weather23°C (73°F)109 mm (4.3 inches)66%very high
September Weather20°C (68°F)114 mm (4.5 inches)68%very high
October Weather15°C (58°F)114 mm (4.5 inches)78%high
November Weather6°C (44°F)75 mm (3.0 inches)89%moderate
December Weather4°C (39°F)98 mm (3.9 inches)86%moderate

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