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December Weather in McCaysville, United States

Last updated: June 24, 2025

In December, the average temperature in McCaysville, United States hovers around 7°C (44°F), with temperatures ranging from a chilly -12°C (11°F) to a warm 22°C (72°F). Expect about 148 mm (5.8 in) of precipitation spread over 12 days, contributing to an average humidity of a notable 88%.

December Temperature in McCaysville

In December in McCaysville, the average temperature is 7°C (44°F), with a maximum that can reach 22°C (72°F) and a minimum that can drop to -12°C (11°F). Be prepared for a range of temperatures, making it essential to pack layers for your travels.

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

The chart illustrates December temperature patterns in McCaysville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In McCaysville, 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 -12°C (11°F).
JanFebMarAprMayJunJulAugSepOctNovDec414652586772757470624844
Data source: Temperature data for McCaysville 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 McCaysville

In McCaysville in December, the precipitation amount is 148 mm (5.8 in), which falls over a span of 12 days.

December Precipitation Trends in McCaysville

The chart displays monthly precipitation patterns in McCaysville, 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 McCaysville, December typically receives around 148 mm (5.8 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec10919116114711813912214910914189148
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in McCaysville

In McCaysville in December, humidity is 88%. With an average temperature of 7°C (44°F), this humidity feels like an unwelcoming chill that clings to your skin, making outdoor exploration uncomfortable and prompting frequent breaks in sheltered areas.

December Average Humidity in McCaysville

This chart illustrates the average monthly humidity levels in McCaysville, 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 McCaysville is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%86%82%85%85%83%76%76%80%88%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in McCaysville

In McCaysville 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 McCaysville for better planning.

Maximum UV Index Levels in McCaysville for December

The chart shows the monthly maximum UV Index (UVI) for McCaysville 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 McCaysville typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111109764
Data source: McCaysville 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 McCaysville Compares to Other Months

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

This table compares monthly weather conditions in McCaysville, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)109 mm (4.3 inches)86%moderate
February Weather8°C (46°F)191 mm (7.5 inches)86%high
March Weather11°C (52°F)161 mm (6.4 inches)86%very high
April Weather14°C (58°F)147 mm (5.8 inches)82%very high
May Weather19°C (67°F)118 mm (4.6 inches)85%extreme
June Weather22°C (72°F)139 mm (5.5 inches)85%extreme
July Weather24°C (75°F)122 mm (4.8 inches)83%extreme
August Weather23°C (74°F)149 mm (5.9 inches)76%very high
September Weather21°C (71°F)109 mm (4.3 inches)76%very high
October Weather16°C (62°F)140 mm (5.5 inches)80%high
November Weather9°C (49°F)89 mm (3.5 inches)88%high
December Weather7°C (44°F)148 mm (5.8 inches)88%moderate

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