January Weather in Junction City, United States

Last updated: June 24, 2025

In Junction City, United States, the average temperature in January hovers around 0°C (32°F). During this time, temperatures can dip as low as -21°C (-5°F) and rise to a maximum of 19°C (66°F). Expect about 32 mm (1.3 in) of precipitation spread over 4 days, with an average humidity level of 76%. Stay prepared for a chilly yet variable month!

January Temperature in Junction City

In January in Junction City, the average temperature is 0°C (32°F). Maximums can reach 19°C (66°F), and minimums can be as low as -21°C (-5°F). Be sure to pack for a wide range of temperatures if you plan to travel during this time.

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

The chart illustrates January temperature patterns in Junction City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Junction City, January typically has an average temperature of 0°C (32°F), with highs reaching up to 19°C (66°F) and lows dropping to around -21°C (-5°F).

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

January Precipitation in Junction City

In Junction City in January, the total precipitation amount is 32 mm (1.3 in), accumulated over a period of 4 days.

January Precipitation Trends in Junction City

The chart displays monthly precipitation patterns in Junction City, 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 Junction City, January typically receives around 32 mm (1.3 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 Junction City

In Junction City in January, humidity is 76%. With an average temperature of 0°C (32°F), this humidity feels like a damp chill that clings to your skin, making it vital to layer up for any outdoor adventures.

January Average Humidity in Junction City

This chart illustrates the average monthly humidity levels in Junction City, 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 Junction City is approximately 76%, 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 Junction City

In Junction City 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 Junction City, you can check the information here.

Maximum UV Index Levels in Junction City for January

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

Data source: Junction City 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 Junction City Compares to Other Months

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

This table compares monthly weather conditions in Junction City, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (32°F)	32 mm (1.3 inches)	76%	moderate
February Weather	0°C (33°F)	29 mm (1.1 inches)	77%	moderate
March Weather	8°C (47°F)	83 mm (3.3 inches)	70%	high
April Weather	12°C (55°F)	70 mm (2.8 inches)	73%	very high
May Weather	19°C (66°F)	189 mm (7.4 inches)	82%	very high
June Weather	26°C (78°F)	82 mm (3.2 inches)	82%	extreme
July Weather	27°C (81°F)	86 mm (3.4 inches)	81%	extreme
August Weather	25°C (77°F)	122 mm (4.8 inches)	78%	very high
September Weather	22°C (73°F)	71 mm (2.8 inches)	71%	very high
October Weather	14°C (57°F)	96 mm (3.8 inches)	71%	high
November Weather	7°C (44°F)	33 mm (1.3 inches)	81%	moderate
December Weather	3°C (37°F)	27 mm (1.1 inches)	84%	moderate