TODAY NOV21
TEMPERATURE45
HUMIDITY65
PRESSURE100480
WIND COND.300 16.6
  • 4237Fri60%80%
  • 5341Sat
  • 5536Sun
  • 6046Mon
  • 5937Tue
daynightWeather update from Annapolis, United States Naval Academy at
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Weather Quick Facts

  • The highest monthly average temperature in Crofton for July is 78.4 degrees
  • The lowest monthly average temperature in Crofton for January is 35.9 degrees
  • The most monthly precipitation in Crofton occurs in August with 7.1 inches
  • The air quality index in Crofton is 12% worse than the national average
  • The pollution index in Crofton is 28% worse than the national average

Compare Crofton, MD Weather

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      Crofton 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
      January29°F44°F36°F4.8"
      February29°F45°F36°F3.9"
      March36°F54°F44°F5.5"
      April47°F66°F55°F5.8"
      May56°F73°F64°F6.3"
      June67°F83°F74°F6.4"
      July71°F86°F78°F6.7"
      August70°F84°F77°F7.1"
      September65°F80°F72°F5.9"
      October53°F69°F61°F6.4"
      November42°F58°F49°F5.2"
      December33°F48°F40°F5.9"

      Crofton 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.
      IndexCroftonMarylandNational
      Air quality index474342
      Pollution index3,494,0105,342,3672,726,193

      Crofton air quality

      MeasurementTotal
      Days measured365
      Days with good air quality209
      Days with moderate air quality145
      Days w/ poor A.Q. for sensitive groups10
      Days with unhealthy air quality1

      Air quality details

      PollutantTotal
      Arsenic0.010%
      Benzene0.040%
      Carbon Tetrachloride0.002%
      Lead0.010%
      Mercury0.001%

      Average monthly Crofton temperature with heat index

      Crofton monthly precipitation with daily maximum

      Crofton monthly snow depth with daily maximum

      Crofton monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Crownsville, MD1,473468.0%
      Herald Harbor, MD2,414468.0%
      Maryland City, MD17,681468.0%
      Severna Park, MD38,729468.0%
      Columbia, MD105,412468.0%
      Crofton, MD29,482476.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      O'Fallon, IL29,487548.0%
      Austintown, OH29,4674216.0%
      Suisun City, CA29,4593530.0%
      Canton, GA29,459524.0%
      Seguin, TX29,458492.0%
      Crofton, MD29,482476.0%
      Source: The Crofton, MD 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.