July Weather in Ketchum, United States

Last updated: June 24, 2025

In July, the average temperature in Ketchum, United States reaches a comfortable 16°C (62°F). Expect a range from a chilly 0°C (32°F) to a warm 28°C (83°F). Although precipitation is light with only 15 mm (0.6 in) falling over 4 days, the average humidity remains moderate at 53%, making it a pleasant time to explore the region!

July Temperature in Ketchum

In July in Ketchum, the average temperature is 16°C (62°F). Maximums can reach up to 28°C (83°F), while minimums can drop to as low as 0°C (32°F). Pack accordingly to enjoy a pleasant range of weather during your travels!

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

The chart illustrates July 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, July typically has an average temperature of 16°C (62°F), with highs reaching up to 28°C (83°F) and lows dropping to around 0°C (32°F).

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

July Precipitation in Ketchum

In Ketchum in July, the precipitation amount is 15 mm (0.6 in) occurring over the course of 4 days.

July Precipitation Trends in Ketchum

The chart displays monthly precipitation patterns in Ketchum, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Ketchum, July typically receives around 15 mm (0.6 inches) of precipitation spread over approximately 4 days.

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

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Millimeters (mm) Inches (in)

July Humidity in Ketchum

In Ketchum in July humidity is 53%. With an average temperature of 16°C (62°F), this humidity feels like a refreshing embrace, making it pleasant for traveling and exploring, as the air is cool yet carries a hint of moisture that invigorates rather than overwhelms.

July Average Humidity in Ketchum

This chart illustrates the average monthly humidity levels in Ketchum, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Ketchum is approximately 53%, offering insight into how humid the weather typically is during this month.

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

July UV Index in Ketchum

In Ketchum in July, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Ketchum.

Maximum UV Index Levels in Ketchum for July

The chart shows the monthly maximum UV Index (UVI) for Ketchum in July, 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 July, the maximum UV index in Ketchum typically reaches 11, which falls under the extreme exposure category.

Data source: Ketchum July 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 July 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 July’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 July’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