December Weather in Ely, United States

Last updated: June 24, 2025

In December, the average temperature in Ely, United States hovers around -1°C (31°F). While it can plummet to a chilling -22°C (-8°F), there's also the potential for warmer days reaching up to 22°C (72°F). Expect about 46 mm (1.8 in) of precipitation spread over 5 days, contributing to an average humidity of 84%. Prepare accordingly to experience the full range of December's weather!

December Temperature in Ely

In December in Ely, the average temperature is -1°C (31°F), with maximums reaching up to 22°C (72°F) and minimums dropping as low as -22°C (-8°F). This wide temperature range makes Ely an ideal destination for travelers seeking both cool winter adventures and milder spring outings.

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

The chart illustrates December temperature patterns in Ely, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ely, December typically has an average temperature of -1°C (31°F), with highs reaching up to 22°C (72°F) and lows dropping to around -22°C (-8°F).

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

December Precipitation in Ely

In Ely in December, the precipitation amount is 46 mm (1.8 in) recorded over a span of 5 days.

December Precipitation Trends in Ely

The chart displays monthly precipitation patterns in Ely, 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 Ely, December typically receives around 46 mm (1.8 inches) of precipitation spread over approximately 5 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 Ely

In Ely in December humidity is 84%. With an average temperature of -1°C (31°F), this humidity feels like a biting chill that seeps through layers of clothing, making outdoor excursions brisk and invigorating, yet challenging for those unaccustomed to such damp conditions.

December Average Humidity in Ely

This chart illustrates the average monthly humidity levels in Ely, 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 Ely is approximately 84%, 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 Ely

In Ely 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 Ely, you can check the information here.

Maximum UV Index Levels in Ely for December

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

Data source: Ely 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 Ely Compares to Other Months

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

This table compares monthly weather conditions in Ely, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (22°F)	48 mm (1.9 inches)	81%	moderate
February Weather	-4°C (24°F)	58 mm (2.3 inches)	81%	moderate
March Weather	4°C (39°F)	80 mm (3.2 inches)	81%	high
April Weather	9°C (49°F)	84 mm (3.3 inches)	82%	very high
May Weather	17°C (62°F)	139 mm (5.5 inches)	78%	very high
June Weather	23°C (74°F)	128 mm (5.0 inches)	81%	extreme
July Weather	25°C (77°F)	79 mm (3.1 inches)	79%	very high
August Weather	23°C (73°F)	83 mm (3.3 inches)	77%	very high
September Weather	20°C (68°F)	130 mm (5.1 inches)	78%	very high
October Weather	12°C (53°F)	135 mm (5.3 inches)	78%	high
November Weather	3°C (38°F)	50 mm (2.0 inches)	87%	moderate
December Weather	-1°C (31°F)	46 mm (1.8 inches)	84%	moderate