February Weather in Ketchum, United States

Last updated: June 24, 2025

In February, the average temperature in Ketchum, United States hovers around -8°C (18°F). However, be prepared for the temperature to dip as low as -22°C (-8°F) at times, with occasional highs reaching 6°C (42°F). Expect about 86 mm (3.4 in) of precipitation spread over 13 days, and brace yourself for a damp atmosphere with an average humidity of 92%.

February Temperature in Ketchum

In February in Ketchum, the average temperature is -8°C (18°F). The maximum can reach 6°C (42°F), while the minimum can be as low as -22°C (-8°F). Travelers should be prepared for cold weather and dress warmly if visiting during this time.

February Weather in Ketchum: Daily Temperature Highs, Lows, and Averages

The chart illustrates February temperature patterns in Ketchum, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ketchum, February typically has an average temperature of -8°C (18°F), with highs reaching up to 6°C (42°F) and lows dropping to around -22°C (-8°F).

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

February Precipitation in Ketchum

In Ketchum, in February, the precipitation amount is 86 mm (3.4 in) over the course of 13 days.

February Precipitation Trends in Ketchum

The chart displays monthly precipitation patterns in Ketchum, with values for each month alongside February’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how February’s conditions compare to those of other months. In Ketchum, February typically receives around 86 mm (3.4 inches) of precipitation spread over approximately 13 days.

Data source: Precipitation data for February generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

February Humidity in Ketchum

In Ketchum in February humidity is 92%. With an average temperature of -8°C (18°F), this humidity feels like a bone-chilling embrace that makes every breath feel heavy, creating a stark contrast between the icy air and the dampness that clings to your skin, making travel uncomfortable and invigorating all at once.

February Average Humidity in Ketchum

This chart illustrates the average monthly humidity levels in Ketchum, with February’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In February, average humidity in Ketchum is approximately 92%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for February generated using information from the Copernicus Climate Change Service.

February UV Index in Ketchum

In Ketchum in February, 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 Ketchum.

Maximum UV Index Levels in Ketchum for February

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

Data source: Ketchum February 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 February Weather in Ketchum Compares to Other Months

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

This table compares monthly weather conditions in Ketchum, showing how February’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-8°C (17°F)	56 mm (2.2 inches)	91%	moderate
February Weather	-8°C (18°F)	86 mm (3.4 inches)	92%	moderate
March Weather	-3°C (26°F)	60 mm (2.4 inches)	85%	very high
April Weather	0°C (31°F)	52 mm (2.0 inches)	76%	very high
May Weather	4°C (40°F)	61 mm (2.4 inches)	66%	extreme
June Weather	11°C (52°F)	46 mm (1.8 inches)	62%	extreme
July Weather	16°C (62°F)	15 mm (0.6 inches)	53%	extreme
August Weather	15°C (60°F)	33 mm (1.3 inches)	42%	very high
September Weather	10°C (51°F)	30 mm (1.2 inches)	46%	very high
October Weather	2°C (35°F)	42 mm (1.6 inches)	64%	high
November Weather	-4°C (26°F)	46 mm (1.8 inches)	83%	moderate
December Weather	-9°C (16°F)	49 mm (1.9 inches)	87%	moderate