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December Weather in Sibley, United States

Last updated: June 24, 2025

In December, the average temperature in Sibley, United States is a mild 11°C (52°F). Be prepared for a temperature range that can dip to a chilly -2°C (28°F) and soar to a warm 27°C (82°F). Expect 134 mm (5.3 in) of precipitation spread over 9 days, contributing to a rather high average humidity of 88%.

December Temperature in Sibley

In December in Sibley, the average temperature is 11°C (52°F), with maximums reaching 27°C (82°F) and minimums dropping as low as -2°C (28°F). Be prepared for a range of weather conditions when traveling during this time.

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

The chart illustrates December temperature patterns in Sibley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sibley, December typically has an average temperature of 11°C (52°F), with highs reaching up to 27°C (82°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec485261657481838379685652
Data source: Temperature data for Sibley 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 Sibley

In Sibley in December, the precipitation amount is 134 mm (5.3 in) over the course of 9 days.

December Precipitation Trends in Sibley

The chart displays monthly precipitation patterns in Sibley, 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 Sibley, December typically receives around 134 mm (5.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec119164152195142110951119611885134
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sibley

In Sibley in December, humidity is 88%. With an average temperature of 11°C (52°F), this humidity feels like a heavy blanket wrapping around you, making travel uncomfortable and the air feel thick, encouraging you to seek shelter or stay hydrated as you explore.

December Average Humidity in Sibley

This chart illustrates the average monthly humidity levels in Sibley, 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 Sibley is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%78%79%81%77%72%65%63%70%82%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sibley

In Sibley in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Sibley for better planning.

Maximum UV Index Levels in Sibley for December

The chart shows the monthly maximum UV Index (UVI) for Sibley 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 Sibley typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec478111112111110864
Data source: Sibley 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 Sibley Compares to Other Months

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

This table compares monthly weather conditions in Sibley, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (48°F)119 mm (4.7 inches)82%moderate
February Weather11°C (52°F)164 mm (6.5 inches)80%high
March Weather16°C (61°F)152 mm (6.0 inches)78%very high
April Weather18°C (65°F)195 mm (7.7 inches)79%extreme
May Weather23°C (75°F)142 mm (5.6 inches)81%extreme
June Weather27°C (81°F)110 mm (4.3 inches)77%extreme
July Weather28°C (83°F)95 mm (3.7 inches)72%extreme
August Weather28°C (83°F)110 mm (4.3 inches)65%extreme
September Weather26°C (79°F)96 mm (3.8 inches)63%very high
October Weather20°C (68°F)118 mm (4.6 inches)70%very high
November Weather13°C (56°F)85 mm (3.3 inches)82%high
December Weather11°C (52°F)134 mm (5.3 inches)88%moderate

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