January Weather in Swift Trail Junction, United States

Last updated: June 24, 2025

The average temperature in Swift Trail Junction, United States during January is a brisk 8°C (46°F), with extremes ranging from a chilly -4°C (25°F) to a mild 22°C (71°F). Expect precipitation of about 30 mm (1.2 in) over 4 days, contributing to a high average humidity of 81%. Whether you bask in the sunlight or cuddle up indoors, this month offers a blend of cozy and refreshing weather!

January Temperature in Swift Trail Junction

In January in Swift Trail Junction, the average temperature is 8°C (46°F). Maximums can reach 22°C (71°F), while minimums can be as low as -4°C (25°F). This makes it a great time for travelers to enjoy a mix of mild weather and occasional chilly days, so be sure to pack accordingly.

January Weather in Swift Trail Junction: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Swift Trail Junction, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Swift Trail Junction, January typically has an average temperature of 8°C (46°F), with highs reaching up to 22°C (71°F) and lows dropping to around -4°C (25°F).

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

January Precipitation in Swift Trail Junction

In Swift Trail Junction in January, the precipitation amount is 30 mm (1.2 in) over the course of 4 days.

January Precipitation Trends in Swift Trail Junction

The chart displays monthly precipitation patterns in Swift Trail Junction, 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 Swift Trail Junction, January typically receives around 30 mm (1.2 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 Swift Trail Junction

In Swift Trail Junction in January humidity is 81%. With an average temperature of 8°C (46°F), this humidity feels like walking through a damp blanket, making traveling uncomfortable and leading to a persistent chill that seeps into your bones.

January Average Humidity in Swift Trail Junction

This chart illustrates the average monthly humidity levels in Swift Trail Junction, 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 Swift Trail Junction is approximately 81%, 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 Swift Trail Junction

In Swift Trail Junction in January, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Swift Trail Junction.

Maximum UV Index Levels in Swift Trail Junction for January

The chart shows the monthly maximum UV Index (UVI) for Swift Trail Junction 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 Swift Trail Junction typically reaches 5, which falls under the moderate exposure category.

Data source: Swift Trail Junction 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 Swift Trail Junction Compares to Other Months

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

This table compares monthly weather conditions in Swift Trail Junction, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (46°F)	30 mm (1.2 inches)	81%	moderate
February Weather	9°C (49°F)	38 mm (1.5 inches)	82%	high
March Weather	13°C (56°F)	24 mm (1.0 inches)	68%	very high
April Weather	19°C (66°F)	3 mm (0.1 inches)	55%	extreme
May Weather	23°C (73°F)	4 mm (0.2 inches)	45%	extreme
June Weather	28°C (83°F)	6 mm (0.2 inches)	37%	extreme
July Weather	28°C (83°F)	54 mm (2.1 inches)	43%	extreme
August Weather	28°C (82°F)	32 mm (1.3 inches)	53%	extreme
September Weather	25°C (77°F)	38 mm (1.5 inches)	66%	extreme
October Weather	19°C (66°F)	19 mm (0.8 inches)	72%	very high
November Weather	14°C (57°F)	21 mm (0.8 inches)	81%	high
December Weather	8°C (47°F)	29 mm (1.1 inches)	84%	moderate