January Weather in Stewartstown, United States

Last updated: June 24, 2025

In January, the average temperature in Stewartstown, United States hovers around 1°C (35°F), with minimums dropping to -15°C (5°F) and maximums reaching up to 19°C (67°F). Expect about 60 mm (2.4 in) of precipitation over 8 days, contributing to a high average humidity of 84%.

January Temperature in Stewartstown

In January in Stewartstown, the average temperature is 1°C (35°F). Maximums can reach 19°C (67°F) and minimums can be as low as -15°C (5°F). Pack accordingly to enjoy your trip, as temperatures can vary greatly throughout the month.

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

The chart illustrates January temperature patterns in Stewartstown, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Stewartstown, January typically has an average temperature of 1°C (35°F), with highs reaching up to 19°C (67°F) and lows dropping to around -15°C (5°F).

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

January Precipitation in Stewartstown

In Stewartstown in January, the total precipitation amount is 60 mm (2.4 in) spread over the course of 8 days.

January Precipitation Trends in Stewartstown

The chart displays monthly precipitation patterns in Stewartstown, 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 Stewartstown, January typically receives around 60 mm (2.4 inches) of precipitation spread over approximately 8 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 Stewartstown

In Stewartstown in January humidity is 84%. With an average temperature of 1°C (35°F), this humidity feels like a cold, damp chill that seeps into your bones, making it feel much colder than the thermometer suggests, which can be quite uncomfortable for traveling.

January Average Humidity in Stewartstown

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

In Stewartstown 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 Stewartstown, you can check the information here.

Maximum UV Index Levels in Stewartstown for January

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

Data source: Stewartstown 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 Stewartstown Compares to Other Months

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

This table compares monthly weather conditions in Stewartstown, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	1°C (35°F)	60 mm (2.4 inches)	84%	moderate
February Weather	3°C (38°F)	97 mm (3.8 inches)	83%	moderate
March Weather	6°C (44°F)	99 mm (3.9 inches)	83%	high
April Weather	12°C (54°F)	101 mm (4.0 inches)	81%	very high
May Weather	18°C (64°F)	140 mm (5.5 inches)	78%	very high
June Weather	23°C (73°F)	116 mm (4.6 inches)	79%	very high
July Weather	26°C (78°F)	153 mm (6.0 inches)	74%	very high
August Weather	24°C (75°F)	150 mm (5.9 inches)	72%	very high
September Weather	21°C (70°F)	120 mm (4.7 inches)	75%	very high
October Weather	15°C (60°F)	103 mm (4.1 inches)	81%	high
November Weather	7°C (45°F)	91 mm (3.6 inches)	85%	moderate
December Weather	3°C (39°F)	95 mm (3.8 inches)	84%	moderate