Boulder, Colorado 

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Weather in Boulder, Colorado

The most pleasant months of the year for Boulder are September, June and May. In Boulder, there are 3 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for Boulder with an average high temperature of 88.1°, which ranks it as about average compared to other places in Colorado. March is the snowiest month in Boulder with 14.3 inches of snow, and 9 months of the year have significant snowfall. Days with noticeable humidity are rare throughout the year.


Today's Weather - Boulder, CO

1 AM PST

Mostly Clear

61°F

7 DAY FORECASTDESCRIPTIONHIGH/LOWWIND
OvernightMostly Clear54° / 88°W 6 mph
Sunday NightMostly Cloudy59° / 86°WNW 6 mph
Monday NightSlight Chance Showers And Thunderstorms then Partly Cloudy59° / 84°WSW 2 to 6 mph
Tuesday NightSlight Chance Showers And Thunderstorms then Mostly Clear54° / 82°W 2 to 6 mph
Wednesday NightMostly Clear55° / 83°SW 5 mph
Thursday NightSlight Chance Showers And Thunderstorms then Partly Cloudy56° / 80°SW 3 mph
Friday NightSlight Chance Showers And Thunderstorms then Partly Cloudy52° / 78°WSW 3 mph

Weather Highlights

Summer High: the July high is around 88 degrees
Winter Low: the January low is 19
Rain: averages 18 inches of rain a year
Snow: averages 71 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for the Boulder area is 7.1 (10=best), which means it is more comfortable than most places in Colorado.

7.1 / 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
January47° 19°
February48° 20°
March55° 27°
April62° 34°
May72° 43°
June82° 51°
July88° 57°
August86° 55°
September78° 46°
October66° 36°
November54° 26°
December45° 18°
Hot, Freezing, Rainy, Snowy Days: Boulder
Hot
Days
Freezing
Days
Rainy
Days
Snowy
Days
January02855
February02555
March02376
April01394
May12111
June6090
July14090
August90100
September3170
October01062
November02254
December02855

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 Boulder    50 Reviews
Boulder has it all - 8/20/2019
Boulder is such a beautiful place to live. Nestled against the mountains, hiking is within biking distance. So many various shops, grocery stores, and restaurants to... Read More

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Fake - 3/12/2017
Town of elitist snobs and good renters that eventually to leave because it is not affordable. The elitist are fake liberals. They will protest for better but never... Read More

Yeah yeah - 7/29/2016
A lot of truths and a lot of misconceptions from what I've read so far. I came to Boulder two years ago from SW Florida. Here are my pro's and cons: Pro's: -... Read More


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ZIP CODES IN BOULDER, COLORADO
80302 80304 80301 80303 80305 80310

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