December Weather in Como, United States

Last updated: June 24, 2025

In December, the average temperature in Como, United States hovers around 9°C (48°F), showcasing a climate that can feel quite crisp. Expect minimum temperatures plunging to -7°C (19°F), while highs can reach a pleasant 26°C (79°F). With an average precipitation of 152 mm (6.0 in) over about 10 days, it's a good idea to carry an umbrella. Additionally, the average humidity rests at a high 88%, contributing to a notably moist environment.

December Temperature in Como

In December in Como, the average temperature is 9°C (48°F), with maximums reaching up to 26°C (79°F) and minimums dropping as low as -7°C (19°F). Travelers should be prepared for a wide range of temperatures during this time.

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

The chart illustrates December temperature patterns in Como, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Como, December typically has an average temperature of 9°C (48°F), with highs reaching up to 26°C (79°F) and lows dropping to around -7°C (19°F).

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

December Precipitation in Como

In Como in December, the total precipitation amount is 152 mm (6.0 in), observed over a period of 10 days.

December Precipitation Trends in Como

The chart displays monthly precipitation patterns in Como, 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 Como, December typically receives around 152 mm (6.0 inches) of precipitation spread over approximately 10 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 Como

In Como in December, humidity is 88%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill settling into your bones, making outdoor exploration feel heavy and oppressive.

December Average Humidity in Como

This chart illustrates the average monthly humidity levels in Como, 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 Como 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 Como

In Como 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 Como for better planning.

Maximum UV Index Levels in Como for December

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

Data source: Como 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 Como Compares to Other Months

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

This table compares monthly weather conditions in Como, 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 (44°F)	115 mm (4.5 inches)	84%	moderate
February Weather	9°C (48°F)	190 mm (7.5 inches)	83%	high
March Weather	14°C (57°F)	170 mm (6.7 inches)	81%	very high
April Weather	16°C (62°F)	148 mm (5.8 inches)	81%	very high
May Weather	22°C (72°F)	129 mm (5.1 inches)	83%	extreme
June Weather	26°C (78°F)	123 mm (4.8 inches)	83%	extreme
July Weather	27°C (81°F)	133 mm (5.2 inches)	81%	extreme
August Weather	27°C (80°F)	115 mm (4.5 inches)	74%	very high
September Weather	25°C (76°F)	111 mm (4.4 inches)	71%	very high
October Weather	18°C (65°F)	101 mm (4.0 inches)	76%	high
November Weather	11°C (51°F)	82 mm (3.2 inches)	84%	high
December Weather	9°C (48°F)	152 mm (6.0 inches)	88%	moderate