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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