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December Weather in Weston, United States

Last updated: June 24, 2025

In December, the average temperature in Weston, United States rests at a chilly 2°C (37°F). Be prepared for temperature swings, as the minimum can plunge to -19°C (-3°F) while the maximum can reach a comfortable 23°C (73°F). Expect 35 mm (1.4 in) of precipitation over about 4 days, and keep in mind the high average humidity of 84%.

December Temperature in Weston

In December in Weston, the average temperature is 2°C (37°F). Maximum temperatures can reach up to 23°C (73°F), while minimums can drop as low as -19°C (-3°F). It's advisable to pack layers for your travel to ensure comfort during this wide range of temperatures.

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

The chart illustrates December temperature patterns in Weston, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Weston, December typically has an average temperature of 2°C (37°F), with highs reaching up to 23°C (73°F) and lows dropping to around -19°C (-3°F).
JanFebMarAprMayJunJulAugSepOctNovDec303145536577797671564336
Data source: Temperature data for Weston 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 Weston

In Weston in December, the precipitation amount is 35 mm (1.4 in) over a span of 4 days.

December Precipitation Trends in Weston

The chart displays monthly precipitation patterns in Weston, 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 Weston, December typically receives around 35 mm (1.4 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec4533918020611781115811234535
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Weston

In Weston in December, humidity is 84%. With an average temperature of 2°C (37°F), this humidity feels like an uncomfortable chill that seeps into your bones, making outdoor activities less enjoyable and prompting the need for layered clothing to stay warm and dry.

December Average Humidity in Weston

This chart illustrates the average monthly humidity levels in Weston, 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 Weston 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 Weston

In Weston 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 Weston, you can check the information here.

Maximum UV Index Levels in Weston for December

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

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

This table compares monthly weather conditions in Weston, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)45 mm (1.8 inches)76%moderate
February Weather0°C (32°F)33 mm (1.3 inches)77%moderate
March Weather7°C (46°F)91 mm (3.6 inches)70%high
April Weather12°C (54°F)80 mm (3.1 inches)73%very high
May Weather19°C (66°F)206 mm (8.1 inches)82%very high
June Weather25°C (77°F)117 mm (4.6 inches)82%extreme
July Weather26°C (80°F)81 mm (3.2 inches)81%extreme
August Weather25°C (77°F)115 mm (4.5 inches)78%very high
September Weather22°C (72°F)81 mm (3.2 inches)71%very high
October Weather13°C (56°F)123 mm (4.8 inches)71%high
November Weather6°C (43°F)45 mm (1.8 inches)81%moderate
December Weather2°C (37°F)35 mm (1.4 inches)84%moderate

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