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December Weather in Geary, United States

Last updated: June 24, 2025

In December, the average temperature in Geary, United States hovers around 6°C (43°F). Expect a minimum of -10°C (14°F) and a maximum of 27°C (81°F) during this time. With an average precipitation amount of 29 mm (1.1 in) spread over 3 days, and a high average humidity of 84%, it's a month that balances chilly air with occasional wet spells. Stay prepared for fluctuating temperatures and pack accordingly!

December Temperature in Geary

In December in Geary, the average temperature is 6°C (43°F). The maximum can reach 27°C (81°F), while the minimum can drop to as low as -10°C (14°F). This wide range of temperatures makes it essential for travelers to pack layers to prepare for varying weather conditions.

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

The chart illustrates December temperature patterns in Geary, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Geary, December typically has an average temperature of 6°C (43°F), with highs reaching up to 27°C (81°F) and lows dropping to around -10°C (14°F).
JanFebMarAprMayJunJulAugSepOctNovDec383953596979838175614943
Data source: Temperature data for Geary 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 Geary

In Geary in December, the precipitation amount is 29 mm (1.1 in) over the course of 3 days.

December Precipitation Trends in Geary

The chart displays monthly precipitation patterns in Geary, 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 Geary, December typically receives around 29 mm (1.1 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec39337594134100605965792529
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Geary

In Geary in December, humidity is 84%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that penetrates your clothing, making outdoor excursions uncomfortable and prompting travelers to seek refuge indoors or find warm, sheltered spots to enjoy their surroundings.

December Average Humidity in Geary

This chart illustrates the average monthly humidity levels in Geary, 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 Geary is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%76%70%72%82%82%80%72%64%71%81%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Geary

In Geary 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 Geary, you can check the information here.

Maximum UV Index Levels in Geary for December

The chart shows the monthly maximum UV Index (UVI) for Geary 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 Geary typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111121110753
Data source: Geary 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 Geary Compares to Other Months

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

This table compares monthly weather conditions in Geary, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)38 mm (1.5 inches)76%moderate
February Weather4°C (40°F)33 mm (1.3 inches)76%high
March Weather12°C (53°F)75 mm (3.0 inches)70%very high
April Weather15°C (59°F)94 mm (3.7 inches)72%very high
May Weather21°C (69°F)134 mm (5.3 inches)82%extreme
June Weather26°C (79°F)100 mm (3.9 inches)82%extreme
July Weather28°C (83°F)60 mm (2.3 inches)80%extreme
August Weather27°C (81°F)59 mm (2.3 inches)72%extreme
September Weather24°C (75°F)65 mm (2.6 inches)64%very high
October Weather16°C (61°F)79 mm (3.1 inches)71%high
November Weather9°C (49°F)25 mm (1.0 inches)81%moderate
December Weather6°C (43°F)29 mm (1.1 inches)84%moderate

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