Weather Averages Annapolis Junction, MD

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Weather Averages for
Annapolis Junction, MD


Latitude: 39°6'N, Longitude: 76°54'W, Elevation: 400.0 ft, Distance: 6.02 mi

  Unit Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average temperature
over 30 years
°F 55 32 34 44 53 63 72 77 75 68 57 47 36
Average high temperature
over 30 years
°F 64 40 43 54 64 74 82 87 85 78 67 56 44
Average low temperature
over 30 years
°F 45 23 25 34 43 53 61 66 66 58 46 38 28
Average precipitation
over 30 years
in 43.2 2.9 2.9 3.5 3.4 4.5 3.7 4.0 4.0 3.7 3.4 3.8 3.4
Heating degree days
over 30 years
days 4659 1023 848 639 334 111 6 - - 27 260 531 880
Cooling degree days
over 30 years
days 1165 - - - - 74 225 372 335 138 21 - -