Baltimore Weather History (MD)

Summary
  Temp.
(ºF)
Relative Humidity
(Percentage)
Extreme Temp.
(Days Per Month)
Rain
(Inches)
Cloudiness
(Days Per Month)
  Average A.M. P.M. Below
32º
Above
90º
Average Clear Partly
Cloudy
Cloudy
January 31.8 73% 57% 25 0 3.1 8 8 15
February 34.8 72% 54% 21 0 3.1 8 7 14
March 44.1 72% 51% 14 0 3.4 8 9 14
April 53.4 72% 49% 3 N/A 3.1 8 9 13
May 63.4 77% 52% N/A 2 3.7 8 10 13
June 72.5 77% 51% 0 6 3.7 8 11 10
July 77.0 80% 53% 0 12 3.7 9 12 10
August 75.6 84% 55% 0 8 3.9 9 11 11
September 68.5 85% 55% 0 3 3.4 11 9 11
October 56.6 84% 54% 2 N/A 3.0 12 8 11
November 46.8 78% 54% 11 0 3.3 8 8 13
December 36.7 75% 57% 21 0 3.4 8 7 16
Annual 55.1 77% 54% 97 30 40.8 105 108 152


Average Temperature (ºF)
Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.
31.8 34.8 44.1 53.4 63.4 72.5 77.0 75.6 68.5 56.6 46.8 36.7

Relative Humidity (Percentage)
Morning
Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.
73% 72% 72% 72% 77% 77% 80% 84% 85% 84% 78% 75%
Afternoon
57% 54% 51% 49% 52% 51% 53% 55% 55% 54% 54% 57%

Rain (Inches)
Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.
3.1 3.1 3.4 3.1 3.7 3.7 3.7 3.9 3.4 3.0 3.3 3.4

Cloudiness (Days Per Month)
  January February March
Clear 8 Days 8 Days 8 Days
Partly Cloudy 8 Days 7 Days 9 Days
Cloudy 15 Days 14 Days 14 Days
  April May June
Clear 8 Days 8 Days 8 Days
Partly Cloudy 9 Days 10 Days 11 Days
Cloudy 13 Days 13 Days 10 Days
  July August September
Clear 9 Days 9 Days 11 Days
Partly Cloudy 12 Days 11 Days 9 Days
Cloudy 10 Days 11 Days 11 Days
  October November December
Clear 12 Days 8 Days 8 Days
Partly Cloudy 8 Days 8 Days 7 Days
Cloudy 11 Days 13 Days 16 Days
  Clear Partly Cloudy Cloudy
 
Days Per Year 105 108 152


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