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December Weather in Swanton, United States

Last updated: June 24, 2025

In December, the average temperature in Swanton, United States hovers around 1°C (34°F). However, be prepared for extremes, as temperatures can dip to a chilling -24°C (-11°F) or rise to a mild 17°C (62°F). Expect about 56 mm (2.2 in) of precipitation spread over 10 days, and don't forget—an average humidity of 86% adds to the brisk atmosphere.

December Temperature in Swanton

In December in Swanton, the average temperature is 1°C (34°F). Maximum temperatures can reach 17°C (62°F), while minimums can dip as low as -24°C (-11°F). Be prepared for a wide range of temperatures when traveling to Swanton during this month.

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

The chart illustrates December temperature patterns in Swanton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Swanton, December typically has an average temperature of 1°C (34°F), with highs reaching up to 17°C (62°F) and lows dropping to around -24°C (-11°F).
JanFebMarAprMayJunJulAugSepOctNovDec283039496271757368564134
Data source: Temperature data for Swanton 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 Swanton

In Swanton in December, the precipitation amount is 56 mm (2.2 in) over the course of 10 days.

December Precipitation Trends in Swanton

The chart displays monthly precipitation patterns in Swanton, 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 Swanton, December typically receives around 56 mm (2.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec707286951441071098958928256
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Swanton

In Swanton in December, humidity is 86%. With an average temperature of 1°C (34°F), this humidity feels like a chilling embrace, making outdoor adventures brisk and invigorating but challenging for travel.

December Average Humidity in Swanton

This chart illustrates the average monthly humidity levels in Swanton, 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 Swanton is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%87%88%81%82%81%78%78%82%89%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Swanton

In Swanton 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 Swanton, you can visit Hourly UV Index in Swanton.

Maximum UV Index Levels in Swanton for December

The chart shows the monthly maximum UV Index (UVI) for Swanton 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 Swanton typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: Swanton 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 Swanton Compares to Other Months

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

This table compares monthly weather conditions in Swanton, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)70 mm (2.8 inches)88%moderate
February Weather-1°C (30°F)72 mm (2.8 inches)87%moderate
March Weather4°C (40°F)86 mm (3.4 inches)87%high
April Weather9°C (49°F)95 mm (3.7 inches)87%very high
May Weather16°C (62°F)144 mm (5.7 inches)81%very high
June Weather22°C (72°F)107 mm (4.2 inches)82%very high
July Weather24°C (76°F)109 mm (4.3 inches)81%very high
August Weather23°C (73°F)89 mm (3.5 inches)78%very high
September Weather20°C (68°F)58 mm (2.3 inches)78%very high
October Weather13°C (56°F)92 mm (3.6 inches)82%high
November Weather5°C (41°F)82 mm (3.2 inches)89%moderate
December Weather1°C (34°F)56 mm (2.2 inches)86%low

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