December Weather in Stuart, United States

Last updated: June 24, 2025

In Stuart, United States, the average temperature in December hovers around -2°C (29°F). This period can see minimums plunging to -24°C (-11°F), while the mercury can rise to a maximum of 20°C (68°F). Expect about 42 mm (1.6 in) of precipitation spread over 4 days, with an average humidity of 79%, making for a chilly yet intriguing climate!

December Temperature in Stuart

In December in Stuart, the average temperature is -2°C (29°F). Maximum temperatures can reach 20°C (68°F), while minimum temperatures can plummet to as low as -24°C (-11°F). Travelers should be prepared for a wide range of weather conditions, making it essential to pack accordingly.

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

The chart illustrates December temperature patterns in Stuart, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Stuart, December typically has an average temperature of -2°C (29°F), with highs reaching up to 20°C (68°F) and lows dropping to around -24°C (-11°F).

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

December Precipitation in Stuart

In Stuart in December, the precipitation amount is 42 mm (1.6 in) spread over a period of 4 days.

December Precipitation Trends in Stuart

The chart displays monthly precipitation patterns in Stuart, 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 Stuart, December typically receives around 42 mm (1.6 inches) of precipitation spread over approximately 4 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 Stuart

In Stuart in December, humidity is 79%. With an average temperature of -2°C (29°F), this humidity feels like a heavy, bone-chilling dampness that can make traveling quite uncomfortable and intensifies the cold.

December Average Humidity in Stuart

This chart illustrates the average monthly humidity levels in Stuart, 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 Stuart is approximately 79%, 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 Stuart

In Stuart 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 Stuart, you can visit Hourly UV Index in Stuart.

Maximum UV Index Levels in Stuart for December

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

Data source: Stuart 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 Stuart Compares to Other Months

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

This table compares monthly weather conditions in Stuart, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (24°F)	22 mm (0.9 inches)	77%	moderate
February Weather	-5°C (23°F)	24 mm (0.9 inches)	81%	moderate
March Weather	3°C (37°F)	69 mm (2.7 inches)	71%	high
April Weather	7°C (45°F)	56 mm (2.2 inches)	75%	very high
May Weather	14°C (58°F)	123 mm (4.8 inches)	74%	very high
June Weather	22°C (73°F)	91 mm (3.6 inches)	82%	very high
July Weather	24°C (76°F)	91 mm (3.6 inches)	84%	very high
August Weather	22°C (73°F)	85 mm (3.3 inches)	82%	very high
September Weather	19°C (66°F)	67 mm (2.7 inches)	75%	very high
October Weather	9°C (48°F)	70 mm (2.8 inches)	72%	high
November Weather	3°C (38°F)	24 mm (1.0 inches)	81%	moderate
December Weather	-2°C (29°F)	42 mm (1.6 inches)	79%	low