January Weather in Junction, United States

Last updated: June 24, 2025

In January, the average temperature in Junction, United States hovers around 9°C (49°F). Be prepared for a range of weather, as temperatures can dip to a chilly -10°C (15°F) or rise up to a warm 29°C (85°F). Expect around 31 mm (1.2 in) of precipitation spread over 4 days, and keep in mind that the average humidity is 78%, adding a touch of crispness to the air.

January Temperature in Junction

In January in Junction, the average temperature is 9°C (49°F). Maximum temperatures can reach up to 29°C (85°F), while minimums can drop as low as -10°C (15°F). Be prepared for a wide range of temperatures when planning your travels!

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

The chart illustrates January temperature patterns in Junction, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Junction, January typically has an average temperature of 9°C (49°F), with highs reaching up to 29°C (85°F) and lows dropping to around -10°C (15°F).

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

January Precipitation in Junction

In Junction in January, the total precipitation amount is 31 mm (1.2 in) over a span of 4 days.

January Precipitation Trends in Junction

The chart displays monthly precipitation patterns in 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 Junction, January typically receives around 31 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 Junction

In Junction in January, humidity is 78%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill that clings to your skin, making it essential to dress in layers while traveling, as the cool air combines with the moisture to create a brisk and invigorating atmosphere.

January Average Humidity in Junction

This chart illustrates the average monthly humidity levels in 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 Junction is approximately 78%, 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

In 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 Junction.

Maximum UV Index Levels in Junction for January

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

Data source: 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 Junction Compares to Other Months

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

This table compares monthly weather conditions in Junction, 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 (49°F)	31 mm (1.2 inches)	78%	moderate
February Weather	11°C (52°F)	35 mm (1.4 inches)	78%	very high
March Weather	17°C (62°F)	62 mm (2.4 inches)	77%	very high
April Weather	20°C (68°F)	54 mm (2.1 inches)	78%	extreme
May Weather	24°C (75°F)	137 mm (5.4 inches)	82%	extreme
June Weather	27°C (81°F)	44 mm (1.7 inches)	78%	extreme
July Weather	29°C (84°F)	26 mm (1.0 inches)	69%	extreme
August Weather	29°C (84°F)	36 mm (1.4 inches)	63%	extreme
September Weather	26°C (78°F)	76 mm (3.0 inches)	66%	extreme
October Weather	20°C (69°F)	59 mm (2.3 inches)	73%	very high
November Weather	14°C (58°F)	19 mm (0.7 inches)	84%	high
December Weather	11°C (53°F)	29 mm (1.1 inches)	87%	moderate