January Weather in Stuart, United States

Last updated: June 24, 2025

In Stuart, United States, the average temperature for January hovers around -5°C (24°F). However, temperatures can dip as low as -29°C (-20°F) or rise to a maximum of 14°C (57°F). Expect 22 mm (0.9 in) of precipitation spread over 4 days, with an average humidity level of 77%. Stay prepared for the chill!

January Temperature in Stuart

In January in Stuart, the average temperature is -5°C (24°F). Maximums can reach 14°C (57°F), while minimums can dip as low as -29°C (-20°F). Travelers should be prepared for a wide temperature range and pack accordingly.

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

The chart illustrates January 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, January typically has an average temperature of -5°C (24°F), with highs reaching up to 14°C (57°F) and lows dropping to around -29°C (-20°F).

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

January Precipitation in Stuart

In Stuart in January, the precipitation amount is 22 mm (0.9 in) over a duration of 4 days.

January Precipitation Trends in Stuart

The chart displays monthly precipitation patterns in Stuart, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Stuart, January typically receives around 22 mm (0.9 inches) of precipitation spread over approximately 4 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in Stuart

In Stuart in January humidity is 77%. With average temperature -5°C (24°F), this humidity feels like a biting chill that cuts through layers of clothing, making outdoor activities uncomfortable and travel more challenging as each breath creates a visible mist in the frigid air.

January Average Humidity in Stuart

This chart illustrates the average monthly humidity levels in Stuart, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Stuart is approximately 77%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Stuart

In Stuart in January, 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 Stuart, you can check the information here.

Maximum UV Index Levels in Stuart for January

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

Data source: Stuart January 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 January 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 January’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 January’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