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December Weather in Glenwood, United States

Last updated: June 24, 2025

In December, the average temperature in Glenwood, United States hovers around 9°C (48°F), creating a crisp atmosphere. With a minimum plummeting to -5°C (23°F) and reaching a maximum of 26°C (78°F), the weather can be quite variable. Expect around 126 mm (5.0 in) of precipitation spread over 9 days, contributing to an average humidity of 87%. Stay prepared for the seasonal shifts!

December Temperature in Glenwood

In December in Glenwood, the average temperature is 9°C (48°F), with maximums reaching up to 26°C (78°F) and minimums dropping as low as -5°C (23°F). Be prepared for a wide range of temperatures when planning your trip!

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

The chart illustrates December temperature patterns in Glenwood, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Glenwood, December typically has an average temperature of 9°C (48°F), with highs reaching up to 26°C (78°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec434657617179818076645248
Data source: Temperature data for Glenwood 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 Glenwood

In Glenwood in December, the precipitation amount is 126 mm (5.0 in) spread over 9 days.

December Precipitation Trends in Glenwood

The chart displays monthly precipitation patterns in Glenwood, 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 Glenwood, December typically receives around 126 mm (5.0 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec97160158184177121103120799576126
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Glenwood

In Glenwood in December humidity is 87%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration uncomfortable and requiring extra layers and careful planning for any activities.

December Average Humidity in Glenwood

This chart illustrates the average monthly humidity levels in Glenwood, 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 Glenwood is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%77%78%82%81%75%61%59%69%82%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Glenwood

In Glenwood 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 Glenwood for better planning.

Maximum UV Index Levels in Glenwood for December

The chart shows the monthly maximum UV Index (UVI) for Glenwood 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 Glenwood typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111109854
Data source: Glenwood 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 Glenwood Compares to Other Months

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

This table compares monthly weather conditions in Glenwood, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (44°F)96 mm (3.8 inches)82%moderate
February Weather8°C (47°F)160 mm (6.3 inches)79%high
March Weather14°C (57°F)158 mm (6.2 inches)77%very high
April Weather16°C (62°F)184 mm (7.2 inches)78%very high
May Weather22°C (71°F)177 mm (7.0 inches)82%extreme
June Weather26°C (79°F)121 mm (4.8 inches)81%extreme
July Weather27°C (82°F)103 mm (4.1 inches)75%extreme
August Weather27°C (80°F)120 mm (4.7 inches)61%very high
September Weather25°C (76°F)79 mm (3.1 inches)59%very high
October Weather18°C (65°F)95 mm (3.7 inches)69%very high
November Weather11°C (52°F)76 mm (3.0 inches)82%moderate
December Weather9°C (48°F)126 mm (5.0 inches)87%moderate

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