Lemhi County, ID Weather


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United States / Idaho / No Metro Area / Lemhi County / Cities / Zip Codes

The most pleasant months of the year for Lemhi County are June, August and September. In Lemhi County, there are 4 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for Lemhi County with an average high temperature of 84.0°, which ranks it as cooler than most places in Idaho. December is the snowiest month in Lemhi County with 11.1 inches of snow, and 8 months of the year have significant snowfall. There are few days during the year when the humidity is even noticable.

Today's Weather - Lemhi, ID

11 AM PST

Partly Sunny

45°F

7 DAY FORECASTDESCRIPTIONHIGH/LOWWIND
This AfternoonPartly Sunny53° / 35°WSW 12 mph
WednesdayMostly Sunny56° / 34°SW 6 to 14 mph
ThursdayPartly Sunny then Chance Light Rain50° / 35°NW 6 to 14 mph
FridayLight Snow Likely then Snow Showers41° / 33°NW 6 to 12 mph
SaturdayLight Snow Likely43° / 30°NW 12 mph
SundayChance Light Snow46° / 32°WSW 8 to 15 mph
MondayChance Light Snow46° / 30°SW 10 to 18 mph

Weather Highlights

Summer High: the July high is around 84 degrees
Winter Low: the January low is 9
Rain: averages 12 inches of rain a year
Snow: averages 40 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for the Lemhi County area is 8.6 (10=best), which means it is more comfortable than most places in Idaho.

8.6 / 10

A higher score indicates a more comfortable year-round climate. The US average for the comfort index is 7.8. Our index is based on the total number of days annually within the comfort range of 70-80 degrees, and we also applied a penalty for days of excessive humidity.


Average Monthly High and Low (°F)
HighLow
January30°
February36° 12°
March47° 22°
April56° 28°
May65° 35°
June73° 42°
July84° 46°
August83° 44°
September72° 36°
October58° 28°
November40° 19°
December28°
Hot, Freezing, Rainy, Snowy Days: Lemhi
Hot
Days
Freezing
Days
Rainy
Days
Snowy
Days
January03186
February02864
March02973
April02281
May010100
June12100
July7060
August4160
September1850
October02261
November02884
December03186

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.

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