TODAY AUG14
TEMPERATURE87
HUMIDITY48
PRESSURE29.88
WIND COND.280 9.2
  • 9070Wed
  • 9273Thu
  • 9173Fri50%50%
  • 8670Sat40%30%
  • 8468Sun
daynightWeather update from Annapolis, United States Naval Academy at

Crownsville 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
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"

Did you know?

  • The highest monthly average temperature in Crownsville for July is 78 degrees.
  • The lowest monthly average temperature in Crownsville for January is 36 degrees.
  • The most monthly precipitation in Crownsville occurs in August with 7.1 inches.
  • The air quality index in Crownsville is 7% better than the national average.
  • The pollution index in Crownsville is 31% better than the national average.

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Compare Crownsville, MD Weather To Other Cities

Crownsville 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.
IndexCrownsvilleMarylandNational
Air quality index464350
Pollution index3,494,0106,283,4705,066,862

Crownsville air quality information

MeasurementTotal
Days measured365
Days with good air quality213
Days with moderate air quality147
Days w/ poor A.Q. for sensitive groups5
Days with unhealthy air quality

Crownsville air quality information

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

Average monthly Crownsville temperature with heat index

Crownsville monthly precipitation with daily maximum

Crownsville monthly snow depth with daily maximum

Crownsville monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Arnold, MD22,625468%
Cape St. Claire, MD8,918468%
Edgewater, MD9,250468%
Highland Beach, MD114468%
Lake Shore, MD18,994468%
Crownsville, MD1,784468%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Marriott-Slaterville, UT1,784492%
Monroe North, WA1,784492%
Wind Point, WI1,7853530%
Malvern, AL1,7853334%
Roseland, FL1,7833432%
Crownsville, MD1,784468%
Source: The Crownsville, 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.