December Weather in Erie, United States

Last updated: June 24, 2025

In Erie, United States, the average temperature in December hovers around 2°C (36°F). Daily highs can reach up to 14°C (58°F), while lows may plunge to a frosty -10°C (14°F). Expect considerable precipitation, averaging 144 mm (5.7 in) over about 19 days, and prepare for a damp atmosphere with an average humidity of 87%.

December Temperature in Erie

In December in Erie, the average temperature is 2°C (36°F). Maximums can reach 14°C (58°F), while minimums can drop as low as -10°C (14°F). Be prepared for chilly weather and pack accordingly if you plan to visit during this time.

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

The chart illustrates December temperature patterns in Erie, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Erie, December typically has an average temperature of 2°C (36°F), with highs reaching up to 14°C (58°F) and lows dropping to around -10°C (14°F).

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

December Precipitation in Erie

In Erie in December, the precipitation amount is 144 mm (5.7 in) spread over 19 days.

December Precipitation Trends in Erie

The chart displays monthly precipitation patterns in Erie, 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 Erie, December typically receives around 144 mm (5.7 inches) of precipitation spread over approximately 19 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 Erie

In Erie in December, humidity is 87%. With an average temperature of 2°C (36°F), this humidity feels like an unwelcome chill that seeps into your bones, making outdoor exploration feel damp and heavy, and encouraging travelers to seek the warmth of indoor attractions instead.

December Average Humidity in Erie

This chart illustrates the average monthly humidity levels in Erie, 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 Erie is approximately 87%, 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 Erie

In Erie in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Erie, you can visit Hourly UV Index in Erie.

Maximum UV Index Levels in Erie for December

The chart shows the monthly maximum UV Index (UVI) for Erie 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 Erie typically reaches 2, which falls under the low exposure category.

Data source: Erie 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 Erie Compares to Other Months

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

This table compares monthly weather conditions in Erie, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (30°F)	113 mm (4.5 inches)	90%	low
February Weather	-1°C (30°F)	108 mm (4.2 inches)	90%	moderate
March Weather	1°C (35°F)	103 mm (4.1 inches)	87%	moderate
April Weather	5°C (42°F)	118 mm (4.7 inches)	87%	very high
May Weather	11°C (52°F)	112 mm (4.4 inches)	82%	very high
June Weather	18°C (65°F)	91 mm (3.6 inches)	81%	very high
July Weather	22°C (72°F)	117 mm (4.6 inches)	79%	very high
August Weather	22°C (72°F)	79 mm (3.1 inches)	80%	very high
September Weather	19°C (67°F)	89 mm (3.5 inches)	81%	very high
October Weather	14°C (57°F)	158 mm (6.2 inches)	84%	high
November Weather	6°C (43°F)	142 mm (5.6 inches)	88%	moderate
December Weather	2°C (36°F)	144 mm (5.7 inches)	87%	low