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December Weather in Frankfort, United States

Last updated: June 24, 2025

In December, the average temperature in Frankfort, United States hovers around 2°C (36°F), with a range that can dip to a chilly -19°C (-2°F) or rise to a warm 23°C (74°F). Expect 26 mm (1.0 in) of precipitation over 3 days, and prepare for a humid atmosphere with an average humidity of 84%.

December Temperature in Frankfort

In December in Frankfort, the average temperature is 2°C (36°F). Maximum temperatures can reach 23°C (74°F), while the minimum can drop to as low as -19°C (-2°F). Be prepared for a wide range of temperatures if you're planning to travel during this time.

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

The chart illustrates December temperature patterns in Frankfort, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Frankfort, December typically has an average temperature of 2°C (36°F), with highs reaching up to 23°C (74°F) and lows dropping to around -19°C (-2°F).
JanFebMarAprMayJunJulAugSepOctNovDec293045536577807672554336
Data source: Temperature data for Frankfort 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 Frankfort

In Frankfort in December, the precipitation amount is 26 mm (1.0 in) recorded over the course of 3 days.

December Precipitation Trends in Frankfort

The chart displays monthly precipitation patterns in Frankfort, 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 Frankfort, December typically receives around 26 mm (1.0 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec3030897620410084101651193426
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Frankfort

In Frankfort in December, humidity is 84%. With an average temperature of 2°C (36°F), this humidity feels like a cold, damp blanket wrapping around you, making outdoor activities less inviting and requiring extra layers to stay comfortable while traveling.

December Average Humidity in Frankfort

This chart illustrates the average monthly humidity levels in Frankfort, 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 Frankfort is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%78%70%73%82%82%81%78%71%71%81%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Frankfort

In Frankfort 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 Frankfort, you can check the information here.

Maximum UV Index Levels in Frankfort for December

The chart shows the monthly maximum UV Index (UVI) for Frankfort 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 Frankfort typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101111109643
Data source: Frankfort 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 Frankfort Compares to Other Months

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

This table compares monthly weather conditions in Frankfort, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)30 mm (1.2 inches)76%moderate
February Weather-1°C (30°F)30 mm (1.2 inches)77%moderate
March Weather7°C (45°F)89 mm (3.5 inches)70%high
April Weather12°C (53°F)76 mm (3.0 inches)73%very high
May Weather18°C (65°F)204 mm (8.0 inches)82%very high
June Weather25°C (77°F)100 mm (3.9 inches)82%extreme
July Weather27°C (80°F)84 mm (3.3 inches)81%extreme
August Weather25°C (77°F)101 mm (4.0 inches)78%very high
September Weather22°C (72°F)65 mm (2.6 inches)71%very high
October Weather13°C (55°F)119 mm (4.7 inches)71%high
November Weather6°C (43°F)34 mm (1.3 inches)81%moderate
December Weather2°C (36°F)26 mm (1.0 inches)84%moderate

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