Baltimore
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 | -0.1 | 1.6 | 6.7 | 11.9 | 17.4 | 22.5 | 25.0 | 24.2 | 20.3 | 13.7 | 8.2 | 2.6 | 12.8 |
| Avg. Max Temperature | 4.6 | 6.5 | 12.2 | 17.9 | 23.4 | 28.4 | 30.7 | 29.7 | 25.8 | 19.6 | 13.6 | 7.3 | 18.3 |
| Avg. Min Temperature | -4.8 | -3.4 | 1.2 | 5.8 | 11.4 | 16.6 | 19.3 | 18.7 | 14.7 | 7.7 | 2.8 | -2.1 | 7.3 |
| Days with Max Temp of 32 C 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 |
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| 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 |
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| Baltimore Precipitation |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Precipitation (inches) | 3.1 | 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 |
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| 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 |