January Weather in Leavenworth, United States

Last updated: June 24, 2025

In January, the average temperature in Leavenworth, United States hovers around -1°C (31°F). Expect chilly extremes, with minimums dipping to -23°C (-9°F) and soaring highs reaching 17°C (63°F). During this period, the region experiences about 48 mm (1.9 in) of precipitation over 5 days, contributing to an average humidity level of 76%. Be prepared for a mix of brisk air and the chance of damp days!

January Temperature in Leavenworth

In January in Leavenworth, the average temperature is -1°C (31°F). The maximum can reach 17°C (63°F) and the minimum can be as low as -23°C (-9°F). Visitors should be prepared for a wide range of temperatures and pack accordingly for their trip.

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

The chart illustrates January temperature patterns in Leavenworth, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Leavenworth, January typically has an average temperature of -1°C (31°F), with highs reaching up to 17°C (63°F) and lows dropping to around -23°C (-9°F).

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

January Precipitation in Leavenworth

In Leavenworth in January, the precipitation amount is 48 mm (1.9 in) spread over the course of 5 days.

January Precipitation Trends in Leavenworth

The chart displays monthly precipitation patterns in Leavenworth, 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 Leavenworth, January typically receives around 48 mm (1.9 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 Leavenworth

In Leavenworth in January, humidity is 76%. With an average temperature of -1°C (31°F), this humidity feels like a frigid chill clinging to your skin, making travel quite uncomfortable as the cold air intensifies the dampness, leaving you feeling even colder than the actual temperature.

January Average Humidity in Leavenworth

This chart illustrates the average monthly humidity levels in Leavenworth, 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 Leavenworth 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 Leavenworth

In Leavenworth 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 Leavenworth, you can check the information here.

Maximum UV Index Levels in Leavenworth for January

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

Data source: Leavenworth 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 Leavenworth Compares to Other Months

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

This table compares monthly weather conditions in Leavenworth, 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 (31°F)	48 mm (1.9 inches)	76%	moderate
February Weather	0°C (32°F)	33 mm (1.3 inches)	77%	moderate
March Weather	8°C (46°F)	95 mm (3.8 inches)	70%	high
April Weather	12°C (54°F)	85 mm (3.4 inches)	73%	very high
May Weather	19°C (66°F)	203 mm (8.0 inches)	82%	very high
June Weather	25°C (77°F)	112 mm (4.4 inches)	82%	extreme
July Weather	26°C (80°F)	94 mm (3.7 inches)	81%	extreme
August Weather	25°C (77°F)	132 mm (5.2 inches)	78%	very high
September Weather	22°C (72°F)	81 mm (3.2 inches)	71%	very high
October Weather	14°C (57°F)	112 mm (4.4 inches)	71%	high
November Weather	6°C (44°F)	45 mm (1.8 inches)	81%	moderate
December Weather	3°C (37°F)	35 mm (1.4 inches)	84%	moderate