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December Weather in Mount Sterling, United States

Last updated: June 24, 2025

In December, the average temperature in Mount Sterling, United States hovers around 5°C (41°F). Expect a chilly minimum of -12°C (11°F) and a comfortable maximum of 21°C (69°F). With 129 mm (5.1 in) of precipitation over roughly 10 days, be prepared for wet weather. The air is quite damp, boasting an average humidity of 88%.

December Temperature in Mount Sterling

In December in Mount Sterling, the average temperature is a cool 5°C (41°F), with maximums reaching up to 21°C (69°F) and minimums dipping as low as -12°C (11°F). Be sure to pack layers to accommodate the varying temperatures while exploring the area.

December Weather in Mount Sterling: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Mount Sterling, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mount Sterling, December typically has an average temperature of 5°C (41°F), with highs reaching up to 21°C (69°F) and lows dropping to around -12°C (11°F).
JanFebMarAprMayJunJulAugSepOctNovDec364148566773777571604541
Data source: Temperature data for Mount Sterling 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 Mount Sterling

In Mount Sterling in December, the precipitation amount is 129 mm (5.1 in) over a span of 10 days.

December Precipitation Trends in Mount Sterling

The chart displays monthly precipitation patterns in Mount Sterling, 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 Mount Sterling, December typically receives around 129 mm (5.1 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec971411261351231729610711811181129
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Mount Sterling

In Mount Sterling in December humidity is 88%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that seeps into your bones, making it essential to bundle up for your travels, as every breath feels heavy in the air and the landscape appears cloaked in a misty shroud.

December Average Humidity in Mount Sterling

This chart illustrates the average monthly humidity levels in Mount Sterling, 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 Mount Sterling 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 Mount Sterling

In Mount Sterling 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 Mount Sterling, you can check the information here.

Maximum UV Index Levels in Mount Sterling for December

The chart shows the monthly maximum UV Index (UVI) for Mount Sterling 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 Mount Sterling typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101010109753
Data source: Mount Sterling 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 Mount Sterling Compares to Other Months

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

This table compares monthly weather conditions in Mount Sterling, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)97 mm (3.8 inches)88%moderate
February Weather5°C (41°F)141 mm (5.5 inches)88%moderate
March Weather9°C (48°F)126 mm (5.0 inches)87%high
April Weather13°C (56°F)134 mm (5.3 inches)84%very high
May Weather19°C (67°F)123 mm (4.8 inches)84%very high
June Weather23°C (73°F)172 mm (6.8 inches)83%very high
July Weather25°C (78°F)96 mm (3.8 inches)79%very high
August Weather24°C (76°F)107 mm (4.2 inches)66%very high
September Weather22°C (71°F)117 mm (4.6 inches)67%very high
October Weather16°C (60°F)111 mm (4.4 inches)76%high
November Weather7°C (46°F)81 mm (3.2 inches)89%moderate
December Weather5°C (41°F)129 mm (5.1 inches)88%moderate

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