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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 6°C (43°F). Expect temperatures as low as -11°C (12°F) and peaking at 22°C (73°F). With 136 mm (5.4 in) of precipitation spread over 11 days, the air remains quite humid, averaging 88%. Weather in this month brings a unique blend of chill and occasional warmth—perfect for cozy indoor activities!

December Temperature in Fincastle

In December in Fincastle, the average temperature is 6°C (43°F), with maximums reaching 22°C (73°F) and minimums dropping as low as -11°C (12°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for both warm and chilly weather.

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 6°C (43°F), with highs reaching up to 22°C (73°F) and lows dropping to around -11°C (12°F).
JanFebMarAprMayJunJulAugSepOctNovDec394450576773777571614743
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 reaches 136 mm (5.4 in) over the course of 11 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 136 mm (5.4 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec9318014115112212912114310213379136
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 88%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable and prompting you to seek warm shelter frequently.

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 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%87%84%84%83%79%66%67%76%89%88%
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.
JanFebMarAprMayJunJulAugSepOctNovDec36810111111109753
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 Weather4°C (39°F)93 mm (3.7 inches)88%moderate
February Weather7°C (44°F)180 mm (7.1 inches)88%high
March Weather10°C (50°F)141 mm (5.5 inches)87%very high
April Weather14°C (57°F)151 mm (5.9 inches)84%very high
May Weather19°C (67°F)122 mm (4.8 inches)84%extreme
June Weather23°C (73°F)129 mm (5.1 inches)83%extreme
July Weather25°C (77°F)121 mm (4.8 inches)79%extreme
August Weather24°C (75°F)143 mm (5.6 inches)66%very high
September Weather22°C (71°F)102 mm (4.0 inches)67%very high
October Weather16°C (62°F)133 mm (5.3 inches)76%high
November Weather8°C (47°F)78 mm (3.1 inches)89%moderate
December Weather6°C (43°F)136 mm (5.4 inches)88%moderate

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