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Baltimore County Weather

 
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The average temperature of Baltimore County is 53.66°F, which is about the same as the Maryland average temperature of 54.61°F and is about the same as the national average temperature of 54.45°F.

Topics:Heating Cost IndexCooling Cost IndexHistorical TemperatureHistorical PrecipitationHistorical SnowHistorical HumidityHistorical Wind Speed

Historical Weather

Heating Cost Index, #19

Baltimore County
229.66
Maryland
211.25
U.S.
212.91

Cooling Cost Index, #9

Baltimore County
113.42
Maryland
126.76
U.S.
139.42

The Heating Cost Index and the Cooling Cost Index are indicators of the relative heating and cooling cost of an area. They were calculated based on the average temperate and duration of the hot and cold days for the area. Please note, the actual heating cost and cooling cost are also dependent on other factors specific to individual residences such as the size of the house, the insulation condition, and the equipment efficiency, etc.

Average Temperature

Annual Average Temperature, #18
Baltimore County
53.7 °F
Maryland
54.6 °F
U.S.
54.5 °F

Ranks: Average Max. Temperature: #16, Average Min. Temperature: #19

Precipitation

Average Annual Precipitation, #19
Baltimore County
42.22 inches
Maryland
42.70 inches
U.S.
38.67 inches


Average Number of Days with 0.1 Inch or More Precipitation in a Year (this gives an indication of the number of days in a year that it is useful to have an umbrella), #11
Baltimore County
75.04 days
Maryland
75.19 days
U.S.
66.51 days


Snow

Average Annual Snowfall, #5
Baltimore County
25.70 inches
Maryland
20.61 inches
U.S.
23.27 inches


Average Number of Days with 1 Inch or More Snow Depth in a Year, #5
Baltimore County
21.60 days
Maryland
17.59 days
U.S.
27.17 days


Humidity

Annual Average Humidity, #21
Baltimore County
71.54%
Maryland
74.35%
U.S.
77.52%


Wind Speed

Annual Average Wind Speed, #23
Baltimore County
9.58 mph
Maryland
19.74 mph
U.S.
16.93 mph


* The temperature, snow fall, and precipitation information on this page were calculated from the historical data of 18,000+ U.S weather stations for the period of time from 1980 to 2010. The humidity and wind speed information were calculated from data from 15,000 worldwide stations for the period of time from 1980 to 2010.


 
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