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December Weather in Spencer, United States

Last updated: June 24, 2025

In December, the average temperature in Spencer, United States hovers around 7°C (45°F), with a minimum dipping to -10°C (14°F) and a maximum rising to 23°C (74°F). Expect precipitation of approximately 141 mm (5.5 in) over 11 days, while the average humidity remains a brisk 88%.

December Temperature in Spencer

In December in Spencer, the average temperature is 7°C (45°F), with maximums reaching 23°C (74°F) and minimums dropping as low as -10°C (14°F). Travelers should be prepared for a wide range of temperatures during this time.

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

The chart illustrates December temperature patterns in Spencer, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Spencer, December typically has an average temperature of 7°C (45°F), with highs reaching up to 23°C (74°F) and lows dropping to around -10°C (14°F).
JanFebMarAprMayJunJulAugSepOctNovDec404652586874787672634845
Data source: Temperature data for Spencer 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 Spencer

In Spencer in December, the total precipitation amount is 141 mm (5.5 in), which falls over the course of 11 days.

December Precipitation Trends in Spencer

The chart displays monthly precipitation patterns in Spencer, 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 Spencer, December typically receives around 141 mm (5.5 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec10617616914912411811711810812073141
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Spencer

In Spencer in December humidity is 88%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable as you navigate through a heavy, thick atmosphere that clings to your skin.

December Average Humidity in Spencer

This chart illustrates the average monthly humidity levels in Spencer, 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 Spencer is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%85%82%83%82%78%67%64%75%87%89%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Spencer

In Spencer 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 Spencer, you can check the information here.

Maximum UV Index Levels in Spencer for December

The chart shows the monthly maximum UV Index (UVI) for Spencer 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 Spencer typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111109753
Data source: Spencer 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 Spencer Compares to Other Months

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

This table compares monthly weather conditions in Spencer, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)105 mm (4.2 inches)87%moderate
February Weather8°C (46°F)176 mm (6.9 inches)87%high
March Weather11°C (52°F)169 mm (6.7 inches)85%very high
April Weather15°C (59°F)149 mm (5.9 inches)82%very high
May Weather20°C (69°F)124 mm (4.9 inches)83%extreme
June Weather24°C (75°F)118 mm (4.6 inches)82%extreme
July Weather26°C (78°F)117 mm (4.6 inches)78%extreme
August Weather25°C (77°F)118 mm (4.6 inches)67%very high
September Weather22°C (73°F)108 mm (4.3 inches)64%very high
October Weather17°C (63°F)120 mm (4.7 inches)74%high
November Weather9°C (49°F)73 mm (2.9 inches)87%moderate
December Weather7°C (45°F)141 mm (5.5 inches)88%moderate

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