Longmont, Colorado 

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Weather in Longmont, Colorado

The most pleasant months of the year for Longmont are September, June and May. In Longmont, there are 3 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for Longmont with an average high temperature of 89.1°, which ranks it as warmer than most places in Colorado. March is the snowiest month in Longmont with 7.3 inches of snow, and 7 months of the year have significant snowfall. There are few days during the summer when the humidity becomes unpleasant.


Today's Weather - Longmont, CO

10 AM PST

Mostly Cloudy

47°F

7 DAY FORECASTDESCRIPTIONHIGH/LOWWIND
TodayMostly Cloudy63° / 37°SW 3 mph
SaturdayPartly Sunny then Chance Rain Showers61° / 28°NW 3 to 16 mph
SundayMostly Sunny60° / 38°W 1 to 6 mph
MondaySunny64° / 34°WNW 3 to 7 mph
TuesdayMostly Sunny65° / 34°W 2 mph
WednesdayChance Rain Showers53° / 28°NNE 3 mph
ThursdayChance Snow Showers40° / 24°ENE 2 mph

Weather Highlights

Summer High: the July high is around 89 degrees
Winter Low: the January low is 13
Rain: averages 15 inches of rain a year
Snow: averages 36 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for the Longmont area is 7.2 (10=best), which means it is more comfortable than most places in Colorado.

7.2 / 10

A higher score indicates a more comfortable year-round climate. The US average for the comfort index is 7. 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
January44° 13°
February47° 16°
March55° 23°
April63° 31°
May72° 41°
June83° 49°
July89° 55°
August87° 53°
September79° 43°
October66° 32°
November53° 21°
December44° 12°
Hot, Freezing, Rainy, Snowy Days: Longmont
Hot
Days
Freezing
Days
Rainy
Days
Snowy
Days
January03143
February02753
March02763
April01682
May13100
June7090
July16080
August11080
September3270
October01561
November02763
December03143

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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Reviews for Longmont    16 Reviews
Once great, ruined by population growth - 8/7/2019
I have lived in Longmont, Boulder are since 1970. I recently left the state. For so many years, Longmont, Boulder and Colorado were one of the most wonderful places on... Read More

Start Your Review of Longmont


Longmont - 1/13/2016
I have lived here about 30 years and find Longmont a nice place to live. You have all 4 Seasons , not a lot of snow in town. Down town is small town even though we... Read More

religion - 6/24/2014
Great Mormon... Read More


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ZIP CODES IN LONGMONT, COLORADO
80504 80501 80503

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