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December Weather in Bluffs, United States

Last updated: June 24, 2025

In December, the average temperature in Bluffs, United States hovers around 2°C (37°F), with minimums dropping to a bone-chilling -19°C (-2°F) and maximums reaching a pleasant 22°C (71°F). Expect 48 mm (1.9 in) of precipitation over approximately 7 days. The air is often quite humid, with an average relative humidity of 86%, making it a perfect time for cozy indoor activities!

December Temperature in Bluffs

In December in Bluffs, the average temperature is 2°C (37°F). Maximum can reach 22°C (71°F) and minimum can be as low as -19°C (-2°F). Travelers should be prepared for a wide range of temperatures, making layering essential for comfort during their visit.

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

The chart illustrates December temperature patterns in Bluffs, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bluffs, December typically has an average temperature of 2°C (37°F), with highs reaching up to 22°C (71°F) and lows dropping to around -19°C (-2°F).
JanFebMarAprMayJunJulAugSepOctNovDec293244536675787571574236
Data source: Temperature data for Bluffs 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 Bluffs

In Bluffs in December, the total precipitation amount is 48 mm (1.9 in) over a span of 7 days.

December Precipitation Trends in Bluffs

The chart displays monthly precipitation patterns in Bluffs, 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 Bluffs, December typically receives around 48 mm (1.9 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec676313411715512310098711036448
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Bluffs

In Bluffs in December, humidity is 86%. With an average temperature of 2°C (37°F), this humidity feels like a chilly dampness that clings to your clothes and makes outdoor activities quite uncomfortable for traveling.

December Average Humidity in Bluffs

This chart illustrates the average monthly humidity levels in Bluffs, 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 Bluffs is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%80%80%82%83%81%80%76%76%85%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Bluffs

In Bluffs 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 Bluffs, you can check the information here.

Maximum UV Index Levels in Bluffs for December

The chart shows the monthly maximum UV Index (UVI) for Bluffs 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 Bluffs typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910111199643
Data source: Bluffs 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 Bluffs Compares to Other Months

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

This table compares monthly weather conditions in Bluffs, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)67 mm (2.6 inches)82%moderate
February Weather0°C (32°F)63 mm (2.5 inches)80%moderate
March Weather7°C (44°F)134 mm (5.3 inches)80%high
April Weather11°C (53°F)117 mm (4.6 inches)80%very high
May Weather19°C (66°F)155 mm (6.1 inches)82%very high
June Weather24°C (75°F)123 mm (4.8 inches)83%extreme
July Weather26°C (78°F)100 mm (3.9 inches)81%extreme
August Weather24°C (75°F)98 mm (3.9 inches)80%very high
September Weather22°C (71°F)71 mm (2.8 inches)76%very high
October Weather14°C (57°F)103 mm (4.0 inches)76%high
November Weather6°C (42°F)64 mm (2.5 inches)85%moderate
December Weather2°C (37°F)48 mm (1.9 inches)86%moderate

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