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December Weather in Clifton, United States

Last updated: June 24, 2025

In December, the average temperature in Clifton, United States is a brisk 2°C (36°F). During this time, expect temperatures to range from a chilly -17°C (2°F) to a pleasant 23°C (74°F). Be prepared for some rain, as precipitation amounts to 27 mm (1.1 in) over about 3 days. Additionally, the air will feel quite humid, with an average humidity level of 84%.

December Temperature in Clifton

In December in Clifton, the average temperature is 2°C (36°F), with maximums reaching 23°C (74°F) and minimums dropping as low as -17°C (2°F). Travelers should be prepared for a wide range of temperatures, so it’s advisable to pack layers for both warm days and cold nights.

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

The chart illustrates December temperature patterns in Clifton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Clifton, December typically has an average temperature of 2°C (36°F), with highs reaching up to 23°C (74°F) and lows dropping to around -17°C (2°F).
JanFebMarAprMayJunJulAugSepOctNovDec303145536577817772554336
Data source: Temperature data for Clifton 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 Clifton

In Clifton in December, the total precipitation amount is 27 mm (1.1 in) over the course of 3 days.

December Precipitation Trends in Clifton

The chart displays monthly precipitation patterns in Clifton, 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 Clifton, December typically receives around 27 mm (1.1 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec272586652057490105691132927
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Clifton

In Clifton in December, humidity is 84%. With an average temperature of 2°C (36°F), this humidity feels like a cold, damp blanket wrapping around you, making outdoor activities less inviting and requiring extra layers to stay comfortable while traveling.

December Average Humidity in Clifton

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

In Clifton 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 Clifton, you can check the information here.

Maximum UV Index Levels in Clifton for December

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

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

This table compares monthly weather conditions in Clifton, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)27 mm (1.1 inches)76%moderate
February Weather-1°C (31°F)25 mm (1.0 inches)77%moderate
March Weather7°C (45°F)86 mm (3.4 inches)70%high
April Weather12°C (53°F)65 mm (2.5 inches)73%very high
May Weather18°C (65°F)205 mm (8.1 inches)82%very high
June Weather25°C (78°F)73 mm (2.9 inches)82%extreme
July Weather27°C (81°F)90 mm (3.5 inches)81%extreme
August Weather25°C (77°F)105 mm (4.1 inches)78%very high
September Weather22°C (72°F)69 mm (2.7 inches)71%very high
October Weather13°C (55°F)113 mm (4.4 inches)71%high
November Weather6°C (43°F)29 mm (1.1 inches)81%moderate
December Weather2°C (36°F)27 mm (1.1 inches)84%moderate

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