December Weather in Glenville, United States

Last updated: June 24, 2025

In December, the average temperature in Glenville, United States hovers around 4°C (40°F). Daily fluctuations can be significant, with lows dipping to -14°C (7°F) and highs reaching up to 21°C (69°F). This month also sees 126 mm (5.0 in) of precipitation spread over approximately 13 days, contributing to a notably high average humidity of 86%.

December Temperature in Glenville

In December in Glenville, the average temperature is 4°C (40°F), with maximums reaching 21°C (69°F) and minimums dropping as low as -14°C (7°F). Travelers should prepare for a wide range of temperatures and pack accordingly to ensure comfort during their visit.

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

The chart illustrates December temperature patterns in Glenville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Glenville, December typically has an average temperature of 4°C (40°F), with highs reaching up to 21°C (69°F) and lows dropping to around -14°C (7°F).

Data source: Temperature data for Glenville generated using information from the Copernicus Climate Change Service.

December Precipitation in Glenville

In Glenville in December, the precipitation amount is 126 mm (5.0 in) over the course of 13 days.

December Precipitation Trends in Glenville

The chart displays monthly precipitation patterns in Glenville, 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 Glenville, December typically receives around 126 mm (5.0 inches) of precipitation spread over approximately 13 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

December Humidity in Glenville

In Glenville in December humidity is 86%. With an average temperature of 4°C (40°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and travel cumbersome as you navigate through a thick, heavy air that clings to your skin.

December Average Humidity in Glenville

This chart illustrates the average monthly humidity levels in Glenville, 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 Glenville is approximately 86%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Glenville

In Glenville 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 Glenville, you can check the information here.

Maximum UV Index Levels in Glenville for December

The chart shows the monthly maximum UV Index (UVI) for Glenville 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 Glenville typically reaches 3, which falls under the moderate exposure category.

Data source: Glenville 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 Glenville Compares to Other Months

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

This table compares monthly weather conditions in Glenville, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (35°F)	99 mm (3.9 inches)	88%	moderate
February Weather	4°C (40°F)	148 mm (5.8 inches)	88%	moderate
March Weather	8°C (46°F)	118 mm (4.6 inches)	88%	high
April Weather	13°C (55°F)	142 mm (5.6 inches)	86%	very high
May Weather	18°C (65°F)	162 mm (6.4 inches)	82%	very high
June Weather	22°C (71°F)	170 mm (6.7 inches)	84%	very high
July Weather	24°C (76°F)	132 mm (5.2 inches)	82%	very high
August Weather	23°C (74°F)	124 mm (4.9 inches)	73%	very high
September Weather	21°C (69°F)	107 mm (4.2 inches)	73%	very high
October Weather	15°C (60°F)	115 mm (4.5 inches)	81%	high
November Weather	7°C (45°F)	83 mm (3.3 inches)	89%	moderate
December Weather	4°C (40°F)	126 mm (5.0 inches)	86%	moderate