TODAY NOV18
TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.
  • 4315Mon
  • 316Tue
  • 4413Wed
  • 5316Thu
  • 5416Fri
daynightWeather update from Astronaut Kent Rominger - Del Norte at
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Weather Quick Facts

  • The highest monthly average temperature in South Fork for July is 65.6 degrees
  • The lowest monthly average temperature in South Fork for January is 14.9 degrees
  • The most monthly precipitation in South Fork occurs in July with 1.4 inches
  • The air quality index in South Fork is 5% worse than the national average
  • The pollution index in South Fork is 67% better than the national average

Compare South Fork, CO Weather

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      South Fork 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
      January-2°F35°F15°F0.4"
      February6°F43°F24°F0.3"
      March17°F56°F36°F0.6"
      April24°F63°F44°F0.7"
      May32°F71°F52°F0.7"
      June40°F83°F63°F0.3"
      July47°F85°F66°F1.4"
      August44°F82°F63°F1.1"
      September36°F77°F56°F1.1"
      October25°F66°F44°F0.8"
      November12°F53°F31°F0.5"
      December0°F38°F18°F0.5"

      South Fork 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.
      IndexSouth ForkColoradoNational
      Air quality index443842
      Pollution index888,0802,068,3422,726,193

      South Fork air quality

      MeasurementTotal
      Days measured365
      Days with good air quality276
      Days with moderate air quality89
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.010%
      Benzene0.020%
      Carbon Tetrachloride0.000%
      Lead0.004%
      Mercury0.001%

      Average monthly South Fork temperature with heat index

      South Fork monthly precipitation with daily maximum

      South Fork monthly snow depth with daily maximum

      South Fork monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Alpine, CO2024412.0%
      Gerrard, CO2714412.0%
      South Fork, CO3694412.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Forbestown, CA369468.0%
      Topaz, CA3691374.0%
      Kelley, IA3693726.0%
      Tetonia, ID3694314.0%
      Thomson, IL3694216.0%
      South Fork, CO3694412.0%
      Source: The South Fork, 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.