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December Weather in Geistown, United States

Last updated: June 24, 2025

In December, the average temperature in Geistown, United States hovers around 1°C (34°F). Expect chilly nights with minimums dropping to -16°C (3°F), while mild days can reach a maximum of 18°C (66°F). During the month, 104 mm (4.1 in) of precipitation may fall over approximately 12 days, contributing to an average humidity level of 88%. Stay prepared for a mix of cold and wet conditions!

December Temperature in Geistown

In December in Geistown the average temperature is 1°C (34°F). The maximum can reach 18°C (66°F) and the minimum can be as low as -16°C (3°F). Travelers should be prepared for a wide range of temperatures, from chilly conditions to warmer daytime highs.

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

The chart illustrates December temperature patterns in Geistown, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Geistown, December typically has an average temperature of 1°C (34°F), with highs reaching up to 18°C (66°F) and lows dropping to around -16°C (3°F).
JanFebMarAprMayJunJulAugSepOctNovDec283239495967737165553934
Data source: Temperature data for Geistown 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 Geistown

In Geistown in December, the total precipitation amount is 104 mm (4.1 in) spread over 12 days.

December Precipitation Trends in Geistown

The chart displays monthly precipitation patterns in Geistown, 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 Geistown, December typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec801181031211411271169712711180104
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Geistown

In Geistown in December humidity is 88%. With an average temperature of 1°C (34°F), this humidity feels like a chilling embrace, making travel feel damp and brisk, where every breath carries a crisp bite, and the air clings to your skin, urging you to seek warmth and comfort.

December Average Humidity in Geistown

This chart illustrates the average monthly humidity levels in Geistown, 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 Geistown is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%90%89%88%80%79%74%64%67%81%89%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Geistown

In Geistown 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 Geistown, you can check the information here.

Maximum UV Index Levels in Geistown for December

The chart shows the monthly maximum UV Index (UVI) for Geistown 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 Geistown typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101010108643
Data source: Geistown 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 Geistown Compares to Other Months

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

This table compares monthly weather conditions in Geistown, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)80 mm (3.1 inches)89%moderate
February Weather0°C (33°F)118 mm (4.6 inches)90%moderate
March Weather4°C (39°F)103 mm (4.1 inches)89%high
April Weather9°C (49°F)121 mm (4.8 inches)88%very high
May Weather15°C (60°F)141 mm (5.6 inches)80%very high
June Weather20°C (68°F)127 mm (5.0 inches)79%very high
July Weather23°C (73°F)116 mm (4.6 inches)74%very high
August Weather22°C (71°F)97 mm (3.8 inches)64%very high
September Weather18°C (65°F)127 mm (5.0 inches)67%very high
October Weather13°C (55°F)111 mm (4.4 inches)81%high
November Weather4°C (40°F)80 mm (3.2 inches)89%moderate
December Weather1°C (34°F)104 mm (4.1 inches)88%moderate

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