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December Weather in Rector, United States

Last updated: June 24, 2025

In December, the average temperature in Rector, United States hovers around 7°C (44°F), with a minimum dipping to -11°C (12°F) and a maximum soaring up to 24°C (75°F). Expect about 106 mm (4.2 in) of precipitation over 8 days, and don't forget to prepare for a notably high average humidity of 86%!

December Temperature in Rector

In December in Rector, the average temperature is 7°C (44°F), with maximums reaching 24°C (75°F) and minimums dropping as low as -11°C (12°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates December temperature patterns in Rector, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rector, December typically has an average temperature of 7°C (44°F), with highs reaching up to 24°C (75°F) and lows dropping to around -11°C (12°F).
JanFebMarAprMayJunJulAugSepOctNovDec394252597078817974634844
Data source: Temperature data for Rector 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 Rector

In Rector in December, the precipitation amount is 106 mm (4.2 in) over a span of 8 days.

December Precipitation Trends in Rector

The chart displays monthly precipitation patterns in Rector, 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 Rector, December typically receives around 106 mm (4.2 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec104152165158137100961248612296106
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Rector

In Rector in December, humidity is 86%. With an average temperature of 7°C (44°F), this humidity feels like a chilly, damp blanket wrapping around you, making outdoor activities uncomfortable and travel quite uninviting.

December Average Humidity in Rector

This chart illustrates the average monthly humidity levels in Rector, 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 Rector is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%81%80%80%83%83%76%69%68%72%83%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Rector

In Rector 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 Rector, you can check the information here.

Maximum UV Index Levels in Rector for December

The chart shows the monthly maximum UV Index (UVI) for Rector 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 Rector typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36810101111109753
Data source: Rector 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 Rector Compares to Other Months

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

This table compares monthly weather conditions in Rector, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)104 mm (4.1 inches)83%moderate
February Weather6°C (43°F)152 mm (6.0 inches)81%high
March Weather11°C (53°F)165 mm (6.5 inches)80%very high
April Weather15°C (59°F)158 mm (6.2 inches)80%very high
May Weather21°C (71°F)137 mm (5.4 inches)83%very high
June Weather25°C (78°F)99 mm (3.9 inches)83%extreme
July Weather27°C (82°F)96 mm (3.8 inches)76%extreme
August Weather26°C (79°F)124 mm (4.9 inches)69%very high
September Weather24°C (75°F)86 mm (3.4 inches)68%very high
October Weather17°C (63°F)122 mm (4.8 inches)72%high
November Weather9°C (49°F)96 mm (3.8 inches)83%moderate
December Weather7°C (44°F)106 mm (4.2 inches)86%moderate

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