December Weather in Gloster, United States

Last updated: June 24, 2025

In December, the average temperature in Gloster, United States is a mild 12°C (54°F), with fluctuations ranging from a chilly -6°C (21°F) to a warm 27°C (82°F). Expect 139 mm (5.5 in) of precipitation spread over about 13 days, contributing to a high average humidity of 88%. Plan your activities accordingly to enjoy the unique climate this month!

December Temperature in Gloster

In December in Gloster, the average temperature is 12°C (54°F). The maximum can reach 27°C (82°F), and the minimum can be as low as -6°C (21°F). This makes it essential for travelers to pack for a range of temperatures to ensure comfort during their stay.

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

The chart illustrates December temperature patterns in Gloster, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gloster, December typically has an average temperature of 12°C (54°F), with highs reaching up to 27°C (82°F) and lows dropping to around -6°C (21°F).

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

December Precipitation in Gloster

In Gloster in December, the precipitation amount is 139 mm (5.5 in) over the course of 13 days.

December Precipitation Trends in Gloster

The chart displays monthly precipitation patterns in Gloster, 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 Gloster, December typically receives around 139 mm (5.5 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 Gloster

In Gloster in December, humidity is 88%. With an average temperature of 12°C (54°F), this humidity feels like a thick, damp blanket, making traveling a bit uncomfortable as the air clings to your skin, causing you to sweat even in cooler weather.

December Average Humidity in Gloster

This chart illustrates the average monthly humidity levels in Gloster, 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 Gloster is approximately 88%, 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 Gloster

In Gloster 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 Gloster for better planning.

Maximum UV Index Levels in Gloster for December

The chart shows the monthly maximum UV Index (UVI) for Gloster 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 Gloster typically reaches 4, which falls under the moderate exposure category.

Data source: Gloster 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 Gloster Compares to Other Months

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

This table compares monthly weather conditions in Gloster, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (51°F)	122 mm (4.8 inches)	83%	moderate
February Weather	13°C (56°F)	128 mm (5.0 inches)	83%	very high
March Weather	17°C (63°F)	112 mm (4.4 inches)	80%	very high
April Weather	19°C (66°F)	168 mm (6.6 inches)	81%	extreme
May Weather	23°C (75°F)	178 mm (7.0 inches)	81%	extreme
June Weather	26°C (79°F)	157 mm (6.2 inches)	78%	extreme
July Weather	27°C (81°F)	167 mm (6.6 inches)	79%	extreme
August Weather	27°C (81°F)	146 mm (5.8 inches)	79%	extreme
September Weather	26°C (79°F)	123 mm (4.9 inches)	79%	very high
October Weather	21°C (70°F)	109 mm (4.3 inches)	77%	very high
November Weather	14°C (58°F)	87 mm (3.4 inches)	85%	high
December Weather	12°C (54°F)	139 mm (5.5 inches)	88%	moderate