TODAY AUG18
TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.
  • 7336Sat20%30%
  • 6431Sun
  • 7438Mon
  • 7739Tue
  • 7839Wed
daynightWeather update from Kremmling, Mc Elroy Airfield at

Granby 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
January18°F48°F32°F1.2"
February21°F50°F34°F1.5"
March30°F62°F44°F1.6"
April36°F66°F49°F0.2"
May43°F73°F57°F2.4"
June54°F89°F71°F1.1"
July59°F92°F75°F2.1"
August56°F90°F72°F1.1"
September49°F82°F64°F0.2"
October38°F69°F52°F2.1"
November28°F58°F41°F2.6"
December17°F46°F30°F0.7"

Did you know?

  • The highest monthly average temperature in Granby for July is 75 degrees.
  • The lowest monthly average temperature in Granby for December is 30 degrees.
  • The most monthly precipitation in Granby occurs in November with 2.6 inches.
  • The air quality index in Granby is 15% better than the national average.
  • The pollution index in Granby is 80% better than the national average.

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Compare Granby, CO Weather To Other Cities

Granby 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.
IndexGranbyColoradoNational
Air quality index423850
Pollution index963,1532,034,6195,066,862

Granby air quality information

MeasurementTotal
Days measured363
Days with good air quality296
Days with moderate air quality63
Days w/ poor A.Q. for sensitive groups4
Days with unhealthy air quality

Granby air quality information

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

Average monthly Granby temperature with heat index

Granby monthly precipitation with daily maximum

Granby monthly snow depth with daily maximum

Granby monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Fraser, CO1,4004216%
Tabernash, CO4304216%
Grand Lake, CO2054216%
Winter Park, CO5854216%
Hot Sulphur Springs, CO7994216%
Granby, CO1,7224216%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
East Brooklyn, CT1,7223334%
East Millinocket, ME1,7223138%
John Day, OR1,7213334%
Marble Hill, MO1,7213628%
South Amherst, OH1,7235510%
Granby, CO1,7224216%
Source: The Granby, CO 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.