Zip 80503 (Longmont, CO) Climate

Longmont, CO has a mild climate with warm summers and cooler winters. The average temperature in the summer months is around 78 degrees Fahrenheit, while winter temperatures usually reach an average of around 32 degrees. Precipitation is very common in the area, with an annual average of 17 inches of rain and 30 inches of snowfall. Longmont also experiences nearly 300 sunny days every year, which makes it a great destination for outdoor activities and recreation.

Longmont (zip 80503), Colorado gets 15 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Longmont (zip 80503) averages 37 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 245 sunny days per year in Longmont (zip 80503). The US average is 205 sunny days.

Longmont (zip 80503) gets some kind of precipitation, on average, 80 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 89 degrees
Winter Low: the January low is 13
Rain: averages 15 inches of rain a year
Snow: averages 37 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 80503 zip code is 7.2 (10=best), which means it is more comfortable than most places in Colorado.

8.5 Summer - 5.5 Winter

June, September and August are the most pleasant months in the 80503 zip code, while December and January are the least comfortable months.

Climate	Longmont, Colorado	United States
	Unlock	38.1 in.
	36.5 in.	Unlock
	Unlock	106.2 days
	245 days	Unlock
	89.1°	85.8°
	Unlock	21.7°
	7.2	Unlock
	Unlock	4.3
	5059 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 80503 zip code with an average high temperature of 89.1°, which ranks it as warmer than most places in Colorado. In the 80503 zip code, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 80503 zip code are September, June and May.

In the 80503 zip code, there are 37.3 days annually when the high temperature is over 90°, which is hotter than most places in Colorado.

December has the coldest nighttime temperatures for the 80503 zip code with an average of 12.2°. This is colder than most places in Colorado.

In the 80503 zip code, there are 178.8 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Colorado.

In the 80503 zip code, there are 11.2 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Colorado.

Humidity is low in the 80503 zip code, 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.

May is the wettest month in the 80503 zip code with 2.3 inches of rain, and the driest month is February with 0.4 inches. The wettest season is Summer with 38% of yearly precipitation and 10% occurs in Spring, which is the driest season. The annual rainfall of 14.9 inches in the 80503 zip code means that it is drier than most places in Colorado.

May is the rainiest month in the 80503 zip code with 9.9 days of rain, and January is the driest month with only 4.2 rainy days. There are 79.7 rainy days annually in the 80503 zip code, which is about average compared to other places in Colorado. The rainiest season is Summer when it rains 31% of the time and the driest is Spring with only a 17% chance of a rainy day.

An annual snowfall of 36.5 inches in the 80503 zip code means that it is less snowy than most places in Colorado. March is the snowiest month in the 80503 zip code with 7.3 inches of snow, and 7 months of the year have significant snowfall.

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