Zip 83340 (Ketchum, ID) Climate

Ketchum, ID has a humid continental climate with cold winters and warm summers. The average temperature in the winter months can dip to around 18°F while in the summer it can reach up to 83°F. Ketchum typically receives around 27 inches of snow each year and experiences an average of 18 days with measurable precipitation each month. The area is relatively dry throughout the year, but usually gets more rain from May to October than the rest of the year. Overall, Ketchum's climate is milder than much of Idaho's interior due to its lower elevation and location in a valley.

Ketchum (zip 83340), Idaho gets 14 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Ketchum (zip 83340) averages 102 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 208 sunny days per year in Ketchum (zip 83340). The US average is 205 sunny days.

Ketchum (zip 83340) gets some kind of precipitation, on average, 78 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.

Weather Highlights

Summer High: the July high is around 82 degrees
Winter Low: the January low is 8
Rain: averages 14 inches of rain a year
Snow: averages 102 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 83340 zip code is 6.3 (10=best), which means it is less comfortable than most places in Idaho.

8.8 Summer - 3.6 Winter

July, August and September are the most pleasant months in the 83340 zip code, while December and January are the least comfortable months.

Climate	Ketchum, Idaho	United States
	Unlock	38.1 in.
	101.6 in.	Unlock
	Unlock	106.2 days
	208 days	Unlock
	81.8°	85.8°
	Unlock	21.7°
	6.3	Unlock
	Unlock	4.3
	6266 ft.	Unlock

Climate

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

July is the hottest month for the 83340 zip code with an average high temperature of 81.8°, which ranks it as cooler than most places in Idaho. In the 83340 zip code, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 83340 zip code are August, July and June.

In the 83340 zip code, there are 4.9 days annually when the high temperature is over 90°, which is one of the coolest places in Idaho.

January has the coldest nighttime temperatures for the 83340 zip code with an average of 7.6°. This is one of the coldest places in Idaho.

In the 83340 zip code, there are 211.6 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Idaho.

In the 83340 zip code, there are 21.1 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Idaho.

Humidity is very low in the 83340 zip code, so low that the dry air may be uncomfortable for some people. There are few days during the year when the humidity is even noticable. A very dry climate can lead to cracked, itchy skin and dry eyes.

December is the wettest month in the 83340 zip code with 1.8 inches of rain, and the driest month is August with 0.6 inches. The wettest season is Spring with 32% of yearly precipitation and 19% occurs in Autumn, which is the driest season. The annual rainfall of 13.8 inches in the 83340 zip code means that it is about average compared to other places in Idaho.

May is the rainiest month in the 83340 zip code with 8.3 days of rain, and September is the driest month with only 4.4 rainy days. There are 77.5 rainy days annually in the 83340 zip code, which is less rainy than most places in Idaho. The rainiest season is Spring when it rains 29% of the time and the driest is Winter with only a 21% chance of a rainy day.

An annual snowfall of 101.6 inches in the 83340 zip code means that it is one of the snowiest places in Idaho. December is the snowiest month in the 83340 zip code with 28.3 inches of snow, and 8 months of the year have significant snowfall.

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