TODAY DEC22
TEMPERATURE39
HUMIDITY36
PRESSURE101860
WIND COND.230 27.7
  • 4630Sun20%
  • 4326Mon30%
  • 4328Tue
  • 4020
  • 3623Thu
daynightWeather update from Rawlins Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Sinclair for July is 69.9 degrees
  • The lowest monthly average temperature in Sinclair for December is 20.5 degrees
  • The most monthly precipitation in Sinclair occurs in May with 1.5 inches
  • The air quality index in Sinclair is equal to the national average
  • The pollution index in Sinclair is 59% better than the national average

Compare Sinclair, WY Weather

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      Sinclair Average Temperature

      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
      January12°F32°F22°F0.5"
      February16°F34°F25°F0.4"
      March22°F45°F33°F1.0"
      April27°F55°F40°F1.1"
      May35°F65°F50°F1.5"
      June44°F77°F60°F1.2"
      July52°F87°F70°F1.0"
      August49°F83°F66°F0.7"
      September41°F72°F56°F1.2"
      October31°F56°F42°F1.1"
      November24°F46°F35°F0.3"
      December11°F29°F20°F0.7"

      Sinclair 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.
      IndexSinclairWyomingNational
      Air quality index423942
      Pollution index1,128,4501,779,9752,726,193

      Sinclair air quality

      MeasurementTotal
      Days measured364
      Days with good air quality327
      Days with moderate air quality37
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.004%
      Benzene0.020%
      Carbon Tetrachloride0.001%
      Lead0.010%
      Mercury0.001%

      Average monthly Sinclair temperature with heat index

      Sinclair monthly precipitation with daily maximum

      Sinclair monthly snow depth with daily maximum

      Sinclair monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Rawlins, WY8,7164216.0%
      Sinclair, WY4354216.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Havana, AR4353628.0%
      Horseshoe Lake, AR4354510.0%
      Manzanola, CO4352060.0%
      Spring Grove, IN435688.0%
      Tolchester, MD435468.0%
      Sinclair, WY4354216.0%
      Source: The Sinclair, 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.