TODAY JUL26
TEMPERATURE83°F
HUMIDITY34%
PRESSURE30.11 inHg
WIND COND.60° 5.8 mph
  • 8558Wed30% | 30%
  • 8358Thu30% | 30%
  • 8459Fri
  • 9062Sat
  • 9464Sun
daynightWeather update from Gillette, Gillette-Campbell County Airport, on 26 Jul 11:53 am MDT

Gillette 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-15°F63°F27°F0.3"
February-20°F64°F28°F0.4"
March-16°F81°F36°F0.6"
April6°F81°F43°F1.3"
May18°F92°F53°F2.7"
June30°F99°F63°F1.7"
July37°F107°F73°F1.2"
August38°F100°F70°F0.9"
September24°F95°F59°F0.9"
October7°F89°F44°F1.1"
November-9°F76°F37°F0.4"
December-22°F61°F24°F0.3"

Did you know?

  • The highest monthly average temperature in Gillette for July is 73 degrees.
  • The lowest monthly average temperature in Gillette for December is 24 degrees.
  • The most monthly precipitation in Gillette occurs in May with 2.7 inches.
  • The air quality index in Gillette is 7% better than the national average.
  • The pollution index in Gillette is 97% better than the national average.

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Compare Gillette, WY Weather To Other Cities

Gillette 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.
IndexGilletteWyomingNational
Air quality index463950
Pollution index105,2341,071,9995,100,859

Gillette air quality information

MeasurementTotal
Days measured365
Days with good air quality246
Days with moderate air quality118
Days w/ poor A.Q. for sensitive groups1
Days with unhealthy air quality

Gillette air quality information

PollutantTotal
Arsenic0.000%
Benzene0.001%
Carbon Tetrachloride0.000%
Lead0.000%
Mercury0.000%

Average monthly Gillette temperature with heat index

Gillette monthly precipitation with daily maximum

Gillette monthly snow depth with daily maximum

Gillette monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Sleepy Hollow, WY1,050468%
Antelope Valley-Crestview, WY1,762468%
Gillette, WY31,110468%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Waxahachie, TX31,045548%
Florence, KY31,038548%
Gurnee, IL31,1823530%
Parkersburg, WV31,1953334%
Ferry Pass, FL31,2044020%
Gillette, WY31,110468%
Source: The Gillette, 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.