January Weather in Stewart, United States

Last updated: June 24, 2025

In Stewart, United States, the average temperature in January hovers around -9°C (16°F), with extremes plunging to a frigid -34°C (-30°F) and peaking at a mild 9°C (48°F). Precipitation typically amounts to 24 mm (0.9 in) over approximately 5 days, while humidity remains high at 87%.

January Temperature in Stewart

In January in Stewart, the average temperature is -9°C (16°F). The maximum can reach 9°C (48°F), while the minimum can drop as low as -34°C (-30°F). Be prepared for chilly conditions and dress warmly if you plan to explore during this time.

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

The chart illustrates January temperature patterns in Stewart, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Stewart, January typically has an average temperature of -9°C (16°F), with highs reaching up to 9°C (48°F) and lows dropping to around -34°C (-30°F).

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

January Precipitation in Stewart

In Stewart in January, the precipitation amount is 24 mm (0.9 in) over the course of 5 days.

January Precipitation Trends in Stewart

The chart displays monthly precipitation patterns in Stewart, 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 Stewart, January typically receives around 24 mm (0.9 inches) of precipitation spread over approximately 5 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 Stewart

In Stewart in January humidity is 87%. With an average temperature of -9°C (16°F), this humidity feels like a heavy blanket of moisture that clings to your skin, making it uncomfortable for traveling and causing your breath to mist in the cold air while navigating the wintry landscape.

January Average Humidity in Stewart

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

In Stewart 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 Stewart, you can check the information here.

Maximum UV Index Levels in Stewart for January

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

Data source: Stewart 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 Stewart Compares to Other Months

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

This table compares monthly weather conditions in Stewart, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-9°C (16°F)	24 mm (0.9 inches)	87%	moderate
February Weather	-9°C (15°F)	26 mm (1.0 inches)	90%	moderate
March Weather	0°C (32°F)	57 mm (2.2 inches)	85%	moderate
April Weather	6°C (43°F)	77 mm (3.0 inches)	84%	high
May Weather	15°C (59°F)	117 mm (4.6 inches)	78%	very high
June Weather	22°C (72°F)	98 mm (3.8 inches)	80%	very high
July Weather	23°C (74°F)	110 mm (4.3 inches)	81%	very high
August Weather	21°C (70°F)	142 mm (5.6 inches)	81%	very high
September Weather	18°C (64°F)	112 mm (4.4 inches)	81%	high
October Weather	9°C (48°F)	97 mm (3.8 inches)	84%	moderate
November Weather	1°C (33°F)	29 mm (1.1 inches)	88%	moderate
December Weather	-5°C (23°F)	39 mm (1.6 inches)	84%	low