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

12 AM PST

Mostly Clear

38°F

7 DAY FORECASTDESCRIPTIONHIGH/LOWWIND
OvernightMostly Clear15° / 47°W 5 mph
Thursday NightMostly Clear28° / 57°W 7 mph
Friday NightMostly Clear30° / 54°W 5 mph
Saturday NightMostly Clear26° / 55°W 6 mph
Sunday NightMostly Clear27° / 57°W 6 mph
Monday NightMostly Clear30° / 58°W 7 mph
Tuesday NightMostly Clear34° / 61°W 8 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    54 Reviews
I love it here! Such a beautiful and friendly city - 11/5/2020
We moved here from Texas about 4 years ago and love it here! The amazing sense of community and high regard for the environment are two of the main reasons we love... Read More

Start Your Review of Boulder


Snob says it's ok - 9/18/2020
Most people do much worse than Boulder. I'm the most critical person I've ever met who is never happy or satisfied -- so that's a pretty huge compliment. ... Read More

Rich - 9/15/2020
As hypocritical as it is -- the money stays in Boulder and for that I am thankful. ... Read More


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MAPS OF BOULDER, COLORADO
Check out the latest Maps in a variety of categories including cost of living, population, and commute time.Boulder,Colorado Map
ZIP CODES IN BOULDER, COLORADO
80302 80304 80301 80303 80305 80310

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