Gem County, ID Climate

Gem, ID County has a temperate climate with four distinct seasons. Summers are warm and dry, with temperatures averaging in the high 80s and low 90s. Winters are cold and snowy, with temperatures averaging in the 20s to 30s. Spring usually sees an average of one to two feet of snowfall, followed by hot and sunny days. Fall is generally mild with sunny days and cool nights. With an elevation of 2,500 feet, Gem County receives an average of 18 inches of snow per year.

Gem County, Idaho gets 16 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Gem County averages 25 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 210 sunny days per year in Gem County. The US average is 205 sunny days.

Gem County gets some kind of precipitation, on average, 92 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 91 degrees
Winter Low: the January low is 21
Rain: averages 16 inches of rain a year
Snow: averages 25 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Gem County is 7.1 (10=best), which means it is more comfortable than most places in Idaho.

8.4 Summer - 4.9 Winter

June, September and May are the most pleasant months in Gem County, while December and January are the least comfortable months.

Climate	Gem, Idaho	United States
	15.8 in.	38.1 in.
	25.2 in.	27.8 in.
	92.2 days	106.2 days
	210 days	205 days
	91.2°	85.8°
	20.9°	21.7°
	7.1	7
	4	4.3
	3562 ft.	2443 ft.

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 Gem County with an average high temperature of 91.2°, which ranks it as warmer than most places in Idaho. In Gem County, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Gem County are September, June and May.

In Gem County, there are 48.4 days annually when the high temperature is over 90°, which is hotter than most places in Idaho.

December has the coldest nighttime temperatures for Gem County with an average of 20.5°. This is warmer than most places in Idaho.

In Gem County, there are 140.5 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Idaho.

In Gem County, there are 3.5 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Idaho.

Humidity is low in Gem County, and some people might find the dryness to be uncomfortable. Days with noticeable humidity are rare throughout the year. A very dry climate can lead to cracked, itchy skin and dry eyes.

December is the wettest month in Gem County with 2.6 inches of rain, and the driest month is August with 0.3 inches. The wettest season is Spring with 39% of yearly precipitation and 10% occurs in Autumn, which is the driest season. The annual rainfall of 15.8 inches in Gem County means that it is about average compared to other places in Idaho.

December is the rainiest month in Gem County with 11.8 days of rain, and August is the driest month with only 2.4 rainy days. There are 92.2 rainy days annually in Gem County, which is less rainy than most places in Idaho. The rainiest season is Spring when it rains 35% of the time and the driest is Autumn with only a 12% chance of a rainy day.

An annual snowfall of 25.2 inches in Gem County means that it is less snowy than most places in Idaho. December is the snowiest month in Gem County with 9.2 inches of snow, and 5 months of the year have significant snowfall.

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