December Weather in Frenchtown, United States

Last updated: June 24, 2025

In December, the average temperature in Frenchtown, United States hovers around 3°C (38°F), offering a brisk climate. Expect chilly nights with a minimum temperature of -12°C (10°F), while daytime highs can reach a comfortable 18°C (65°F). This month also brings 105 mm (4.1 in) of precipitation over approximately 10 days, contributing to an average humidity of 85%, making it a notably damp time of year.

December Temperature in Frenchtown

In December in Frenchtown, the average temperature is 3°C (38°F). The maximum can reach 18°C (65°F) and the minimum can be as low as -12°C (10°F). It's essential to prepare for a wide range of temperatures when traveling during this time.

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

The chart illustrates December temperature patterns in Frenchtown, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Frenchtown, December typically has an average temperature of 3°C (38°F), with highs reaching up to 18°C (65°F) and lows dropping to around -12°C (10°F).
JanFebMarAprMayJunJulAugSepOctNovDec333642526271777569594437
Data source: Temperature data for Frenchtown generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Frenchtown

In Frenchtown in December, the precipitation amount is 105 mm (4.1 in) over the course of 10 days.

December Precipitation Trends in Frenchtown

The chart displays monthly precipitation patterns in Frenchtown, 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 Frenchtown, December typically receives around 105 mm (4.1 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec691051071041351041401499611784105
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Frenchtown

In Frenchtown in December, humidity is 85%. With an average temperature of 3°C (38°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and travel less enjoyable as you contend with the heavy, cold air surrounding you.

December Average Humidity in Frenchtown

This chart illustrates the average monthly humidity levels in Frenchtown, 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 Frenchtown is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%85%83%75%74%65%62%66%79%87%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Frenchtown

In Frenchtown in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Frenchtown, you can visit Hourly UV Index in Frenchtown.

Maximum UV Index Levels in Frenchtown for December

The chart shows the monthly maximum UV Index (UVI) for Frenchtown 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 Frenchtown typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356810101098642
Data source: Frenchtown 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 Frenchtown Compares to Other Months

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

This table compares monthly weather conditions in Frenchtown, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)69 mm (2.7 inches)87%moderate
February Weather2°C (37°F)105 mm (4.1 inches)85%moderate
March Weather5°C (42°F)107 mm (4.2 inches)85%high
April Weather11°C (52°F)104 mm (4.1 inches)83%very high
May Weather17°C (62°F)135 mm (5.3 inches)75%very high
June Weather22°C (71°F)104 mm (4.1 inches)73%very high
July Weather25°C (77°F)140 mm (5.5 inches)65%very high
August Weather24°C (75°F)149 mm (5.9 inches)62%very high
September Weather20°C (69°F)96 mm (3.8 inches)66%very high
October Weather15°C (59°F)117 mm (4.6 inches)79%high
November Weather7°C (45°F)84 mm (3.3 inches)87%moderate
December Weather3°C (38°F)105 mm (4.1 inches)85%low

Compare Frenchtown's Climate with Cities Worldwide