TODAY AUG15
TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.
  • 8244Wed
  • 8147Thu20%
  • 8047Fri20%
  • 7543Sat20%
  • 7444Sun
daynightWeather update from Pinedale, Ralph Wenz Field Airport at

Boulder Average Weather

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
January-1°F27°F12°F0.3"
February3°F31°F16°F0.3"
March14°F43°F28°F0.5"
April22°F54°F37°F0.6"
May30°F63°F46°F1.5"
June37°F75°F57°F0.6"
July44°F84°F64°F0.8"
August41°F81°F61°F0.7"
September33°F72°F52°F0.9"
October24°F57°F39°F0.7"
November12°F43°F26°F0.2"
December0°F29°F14°F0.3"

Did you know?

  • The highest monthly average temperature in Boulder for July is 64 degrees.
  • The lowest monthly average temperature in Boulder for January is 12 degrees.
  • The most monthly precipitation in Boulder occurs in May with 1.5 inches.
  • The air quality index in Boulder is 15% better than the national average.
  • The pollution index in Boulder is 80% better than the national average.

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Compare Boulder, WY Weather To Other Cities

Boulder air quality index & pollution index

In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
IndexBoulderWyomingNational
Air quality index423950
Pollution index971,8621,082,0855,066,862

Boulder air quality information

MeasurementTotal
Days measured365
Days with good air quality330
Days with moderate air quality35
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Boulder air quality information

PollutantTotal
Arsenic0.003%
Benzene0.020%
Carbon Tetrachloride0.004%
Lead0.001%
Mercury0.000%

Average monthly Boulder temperature with heat index

Boulder monthly precipitation with daily maximum

Boulder monthly snow depth with daily maximum

Boulder monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Cora, WY134020%
Pinedale, WY2,0444020%
Boulder, WY04216%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Los Lobos, TX03628%
Antelope Hills, WY03922%
Grand Canyon West, AZ04118%
Colona, CO04118%
Harviell, MO03628%
Boulder, WY04216%
Source: The Boulder, WY weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.