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The tables below display average monthly climate and weather indicators in Baltimore Maryland.
Temperature by: Fahrenheit / Centigrade
| Baltimore Temperature |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Avg. Temperature |
31.8 |
34.8 |
44.1 |
53.4 |
63.4 |
72.5 |
77.0 |
75.6 |
68.5 |
56.6 |
46.8 |
36.7 |
55.1 |
| Avg. Max Temperature |
40.2 |
43.7 |
54.0 |
64.3 |
74.2 |
83.2 |
87.2 |
85.4 |
78.5 |
67.3 |
56.5 |
45.2 |
65.0 |
| Avg. Min Temperature |
23.4 |
25.9 |
34.1 |
42.5 |
52.6 |
61.8 |
66.8 |
65.7 |
58.4 |
45.9 |
37.1 |
28.2 |
45.2 |
| Days with Max Temp of 90 F or Higher |
0.0 |
0.0 |
0.0 |
< 0.5 |
2.0 |
6.0 |
12.0 |
8.0 |
3.0 |
< 0.5 |
0.0 |
0.0 |
31.0 |
| Days with Min Temp Below Freezing |
25.0 |
21.0 |
14.0 |
3.0 |
< 0.5 |
0.0 |
0.0 |
0.0 |
0.0 |
2.0 |
11.0 |
21.0 |
97.0 |
| | |
| Baltimore Heating and Cooling |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Heating Degree Days |
1029 |
846 |
648 |
348 |
108 |
0.0 |
0.0 |
0.0 |
29.0 |
276 |
546 |
877 |
4707 |
| Cooling Degree Days |
0.0 |
0.0 |
0.0 |
0.0 |
59.0 |
227 |
372 |
329 |
134 |
16.0 |
0.0 |
0.0 |
1137 |
| | |
| Baltimore Precipitation |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Precipitation (inches) |
3.0 |
3.1 |
3.4 |
3.1 |
3.7 |
3.7 |
3.7 |
3.9 |
3.4 |
3.0 |
3.3 |
3.4 |
40.8 |
| Days with Precipitation 0.01 inch or More |
11.0 |
9.0 |
11.0 |
11.0 |
11.0 |
9.0 |
9.0 |
9.0 |
8.0 |
8.0 |
9.0 |
10.0 |
114 |
| Monthly Snowfall (inches) |
6.2 |
6.8 |
3.8 |
0.1 |
< 0.05 |
0.0 |
< 0.05 |
0.0 |
0.0 |
0.0 |
1.0 |
3.2 |
21.1 |
| | |
| Other Baltimore Weather Indicators |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Average Wind Speed |
9.6 |
10.1 |
10.7 |
10.4 |
8.9 |
8.2 |
7.7 |
7.6 |
7.8 |
8.3 |
8.9 |
9.0 |
8.9 |
| Clear Days |
8.0 |
8.0 |
8.0 |
8.0 |
8.0 |
8.0 |
9.0 |
9.0 |
11.0 |
12.0 |
8.0 |
8.0 |
105 |
| Partly Cloudy Days |
8.0 |
7.0 |
9.0 |
9.0 |
10.0 |
11.0 |
12.0 |
11.0 |
9.0 |
8.0 |
8.0 |
7.0 |
108 |
| Cloudy Days |
15.0 |
14.0 |
14.0 |
13.0 |
13.0 |
10.0 |
10.0 |
11.0 |
11.0 |
11.0 |
13.0 |
16.0 |
152 |
| Percent of Possible Sunshine |
51.0 |
55.0 |
56.0 |
56.0 |
56.0 |
62.0 |
64.0 |
62.0 |
60.0 |
58.0 |
51.0 |
49.0 |
57.0 |
| Avg. Relative Humidity |
58.5 |
64.5 |
63.0 |
61.5 |
63.0 |
64.5 |
65.5 |
68.5 |
70.0 |
69.5 |
66.0 |
64.5 |
67.5 |
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