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December Weather in Weston, United States

Last updated: June 24, 2025

The average temperature in Weston, United States during December sits at a chilly 4°C (40°F). Expect minimums dipping down to -14°C (7°F) and maximums reaching up to 21°C (69°F). With 131 mm (5.1 in) of precipitation spread over 14 days, the month is quite wet, and the atmosphere remains humid, boasting an average humidity of 86%.

December Temperature in Weston

In December in Weston, the average temperature is 4°C (40°F), with maximums reaching 21°C (69°F) and minimums dropping as low as -14°C (7°F). Travelers should prepare for a wide range of temperatures and pack accordingly to ensure comfort during their visit.

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 4°C (40°F), with highs reaching up to 21°C (69°F) and lows dropping to around -14°C (7°F).
JanFebMarAprMayJunJulAugSepOctNovDec344045546470757369594539
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 total precipitation amount is 131 mm (5.1 in) over a span of 14 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 131 mm (5.1 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec10115711914815715011911610711683131
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 86%. With an average temperature of 4°C (40°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and travel cumbersome as you navigate through a thick, heavy air that clings to your skin.

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 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%88%87%82%84%82%73%74%81%89%86%
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.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098753
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 Weather1°C (35°F)101 mm (4.0 inches)88%moderate
February Weather4°C (40°F)157 mm (6.2 inches)88%moderate
March Weather7°C (46°F)119 mm (4.7 inches)88%high
April Weather12°C (54°F)148 mm (5.8 inches)86%very high
May Weather18°C (64°F)157 mm (6.2 inches)82%very high
June Weather21°C (71°F)150 mm (5.9 inches)84%very high
July Weather24°C (75°F)119 mm (4.7 inches)82%very high
August Weather23°C (73°F)116 mm (4.6 inches)73%very high
September Weather20°C (69°F)107 mm (4.2 inches)73%very high
October Weather15°C (59°F)116 mm (4.6 inches)81%high
November Weather7°C (45°F)83 mm (3.3 inches)89%moderate
December Weather4°C (40°F)131 mm (5.1 inches)86%moderate

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