Longmont, CO Weather


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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

3 AM PST

Rain

45°F

7 DAY FORECASTDESCRIPTIONHIGH/LOWWIND
OvernightRain41° / 41°N 10 mph
Saturday NightLight Rain38° / 59°NNW 5 to 14 mph
Sunday NightSlight Chance Showers And Thunderstorms then Partly Cloudy38° / 68°WSW 5 to 8 mph
Monday NightPartly Cloudy42° / 71°WSW 10 to 14 mph
Tuesday NightSlight Chance Rain Showers42° / 65°WNW 8 to 13 mph
Wednesday NightChance Showers And Thunderstorms38° / 55°N 12 mph
Thursday NightChance Rain Showers35° / 64°NNW 7 to 13 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 8.5 (10=best), which means it is more comfortable than most places in Colorado.

8.5 / 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
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.

Reviews for Longmont
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I lived here for 4 years and it's pretty nice. It gets cold and stays cold for a good 8 months, but other than that I loved it. There are a lot of amenities. It is  More

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Over 5 years ago

I just move from other state to Longmont. In my opinion Longmont is one of the safest city in US which is have a low crime, its great city to raised family .Has a great  More

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Fantastic place to live. Four golf courses, many parks, 10 minutes to the foothills and 40 minutes from the Rockies, the location is hard to beat if you want to be 45  More

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