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December Weather in Frenchtown, United States

Last updated: June 24, 2025

In December, the average temperature in Frenchtown, United States hovers around -3°C (26°F), with extremes ranging from a chilly -25°C (-14°F) to a balmy 14°C (57°F). Expect 72 mm (2.9 in) of precipitation over about 15 days, accompanied by a high average humidity of 95%. Prepare for a truly crisp and damp experience!

December Temperature in Frenchtown

In December in Frenchtown, the average temperature is -3°C (26°F). Maximums can reach 14°C (57°F), while minimums can drop as low as -25°C (-14°F). Make sure to dress in layers and prepare for varying weather conditions while exploring the beautiful scenery.

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 (26°F), with highs reaching up to 14°C (57°F) and lows dropping to around -25°C (-14°F).
JanFebMarAprMayJunJulAugSepOctNovDec242132384957676555403226
Data source: Temperature data for Frenchtown 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 Frenchtown

In Frenchtown in December, the precipitation amount is 72 mm (2.9 in) occurring over 15 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 72 mm (2.9 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec5110361808575222938727372
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Frenchtown

In Frenchtown in December humidity is 95%. With an average temperature of -3°C (26°F), this humidity feels like a biting chill that seeps into your bones, making any outdoor activity uncomfortable and challenging for travelers.

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 95%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%89%85%80%78%77%66%67%77%89%95%
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.
JanFebMarAprMayJunJulAugSepOctNovDec2467991097532
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 Weather-4°C (24°F)51 mm (2.0 inches)93%low
February Weather-6°C (22°F)103 mm (4.1 inches)92%moderate
March Weather0°C (32°F)61 mm (2.4 inches)89%high
April Weather3°C (38°F)80 mm (3.2 inches)85%high
May Weather9°C (49°F)85 mm (3.4 inches)80%very high
June Weather14°C (58°F)75 mm (3.0 inches)78%very high
July Weather19°C (67°F)22 mm (0.9 inches)77%very high
August Weather19°C (66°F)29 mm (1.2 inches)66%very high
September Weather13°C (55°F)38 mm (1.5 inches)67%high
October Weather5°C (41°F)72 mm (2.8 inches)77%moderate
November Weather0°C (32°F)73 mm (2.9 inches)89%moderate
December Weather-3°C (26°F)72 mm (2.9 inches)95%low

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