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December Weather in Griggsville, United States

Last updated: June 24, 2025

In December, the average temperature in Griggsville, United States hovers around 2°C (36°F). However, be prepared for a wide temperature range, with lows plunging to -19°C (-2°F) and highs reaching up to 22°C (72°F). During this time, precipitation totals approximately 47 mm (1.9 in) spread over 7 days, contributing to an average humidity level of a stunning 86%.

December Temperature in Griggsville

In December in Griggsville, the average temperature is 2°C (36°F). Maximum temperatures can reach 22°C (72°F), while minimum temperatures can drop as low as -19°C (-2°F). Be prepared for a wide range of temperatures if you're planning to travel during this time!

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

The chart illustrates December temperature patterns in Griggsville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Griggsville, December typically has an average temperature of 2°C (36°F), with highs reaching up to 22°C (72°F) and lows dropping to around -19°C (-2°F).
JanFebMarAprMayJunJulAugSepOctNovDec293244536675787571574236
Data source: Temperature data for Griggsville 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 Griggsville

In Griggsville in December, the total precipitation amount is 47 mm (1.9 in) recorded over a span of 7 days.

December Precipitation Trends in Griggsville

The chart displays monthly precipitation patterns in Griggsville, 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 Griggsville, December typically receives around 47 mm (1.9 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec6663132111161127101106821076347
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Griggsville

In Griggsville in December, humidity is 86%. With an average temperature of 2°C (36°F), this humidity feels like a biting chill that clings to your skin, making outdoor exploration uncomfortable and dampening any enthusiasm for travel.

December Average Humidity in Griggsville

This chart illustrates the average monthly humidity levels in Griggsville, 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 Griggsville is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%80%80%82%83%81%80%76%76%85%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Griggsville

In Griggsville 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 Griggsville, you can check the information here.

Maximum UV Index Levels in Griggsville for December

The chart shows the monthly maximum UV Index (UVI) for Griggsville 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 Griggsville typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910111199643
Data source: Griggsville 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 Griggsville Compares to Other Months

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

This table compares monthly weather conditions in Griggsville, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)66 mm (2.6 inches)82%moderate
February Weather0°C (32°F)63 mm (2.5 inches)80%moderate
March Weather7°C (44°F)132 mm (5.2 inches)80%high
April Weather12°C (53°F)111 mm (4.4 inches)80%very high
May Weather19°C (66°F)161 mm (6.3 inches)82%very high
June Weather24°C (75°F)127 mm (5.0 inches)83%extreme
July Weather26°C (78°F)101 mm (4.0 inches)81%extreme
August Weather24°C (75°F)106 mm (4.2 inches)80%very high
September Weather21°C (71°F)82 mm (3.2 inches)76%very high
October Weather14°C (57°F)107 mm (4.2 inches)76%high
November Weather6°C (42°F)63 mm (2.5 inches)85%moderate
December Weather2°C (36°F)47 mm (1.9 inches)86%moderate

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