nomadseason

December Weather in Blythewood, United States

Last updated: June 24, 2025

In Blythewood, United States, the average temperature in December hovers around 10°C (50°F). Temperatures can vary significantly, with a minimum of -6°C (22°F) and a maximum reaching as high as 27°C (81°F). Expect 132 mm (5.2 in) of precipitation over 10 days, accompanied by an average humidity level of 87%. Ideal for those who enjoy a cool, moist climate!

December Temperature in Blythewood

In December in Blythewood, the average temperature is 10°C (50°F), with maximums reaching 27°C (81°F) and minimums dropping as low as -6°C (22°F). Travelers should prepare for a range of weather conditions, from warm days to chilly evenings.

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

The chart illustrates December temperature patterns in Blythewood, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Blythewood, December typically has an average temperature of 10°C (50°F), with highs reaching up to 27°C (81°F) and lows dropping to around -6°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec475257647378818077685450
Data source: Temperature data for Blythewood generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Blythewood

In Blythewood in December, the total precipitation amount is 132 mm (5.2 in) over a span of 10 days.

December Precipitation Trends in Blythewood

The chart displays monthly precipitation patterns in Blythewood, 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 Blythewood, December typically receives around 132 mm (5.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec89113801061061021251321017475132
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Blythewood

In Blythewood in December humidity is 87%. With an average temperature of 10°C (50°F), this humidity feels like a heavy cloak wrapping around you, making every step feel laborious and the air thick with moisture, challenging your comfort while traveling.

December Average Humidity in Blythewood

This chart illustrates the average monthly humidity levels in Blythewood, 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 Blythewood is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%84%82%83%82%80%74%75%79%87%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Blythewood

In Blythewood 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 Blythewood for better planning.

Maximum UV Index Levels in Blythewood for December

The chart shows the monthly maximum UV Index (UVI) for Blythewood 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 Blythewood typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47810101111109864
Data source: Blythewood 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 Blythewood Compares to Other Months

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

This table compares monthly weather conditions in Blythewood, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (48°F)89 mm (3.5 inches)86%moderate
February Weather11°C (53°F)113 mm (4.4 inches)85%high
March Weather14°C (57°F)80 mm (3.1 inches)84%very high
April Weather18°C (64°F)106 mm (4.2 inches)82%very high
May Weather23°C (73°F)106 mm (4.2 inches)83%very high
June Weather26°C (78°F)102 mm (4.0 inches)82%extreme
July Weather27°C (81°F)125 mm (4.9 inches)80%extreme
August Weather27°C (80°F)132 mm (5.2 inches)74%very high
September Weather25°C (77°F)101 mm (4.0 inches)75%very high
October Weather20°C (68°F)74 mm (2.9 inches)79%very high
November Weather12°C (54°F)75 mm (3.0 inches)87%high
December Weather10°C (50°F)132 mm (5.2 inches)87%moderate

Compare Blythewood's Climate with Cities Worldwide