Normal Monthly Precipitation Totals (in Inches) for Maryland Counties
Main_Content
Average monthly precipitation by month and county
|
County
|
Oct
|
Nov
|
Dec
|
Jan
|
Feb
|
Mar
|
Apr
|
May
|
Jun
|
Jul
|
Aug
|
Sep
|
|
Allegany
|
2.7
|
3.0
|
2.8
|
2.7
|
2.6
|
3.6
|
3.3
|
3.8
|
3.6
|
3.6
|
3.4
|
3.1
|
|
Anne Arundel
|
3.2
|
3.3
|
3.5
|
3.1
|
3.2
|
4.0
|
3.2
|
4.0
|
3.5
|
3.8
|
4.1
|
3.5
|
|
Baltimore City
|
3.1
|
3.6
|
3.6
|
3.2
|
3.2
|
3.9
|
3.4
|
4.1
|
3.6
|
3.7
|
4.1
|
3.5
|
|
Baltimore County
|
3.3
|
3.7
|
3.6
|
3.2
|
3.0
|
3.9
|
3.5
|
4.3
|
3.7
|
4.0
|
4.0
|
3.9
|
|
Calvert
|
3.1
|
3.4
|
3.2
|
3.1
|
2.9
|
3.9
|
3.2
|
4.0
|
3.6
|
4.1
|
4.0
|
3.5
|
|
Caroline
|
3.1
|
3.4
|
3.4
|
3.4
|
3.2
|
3.9
|
3.1
|
3.6
|
3.4
|
4.2
|
4.8
|
3.5
|
|
Carroll
|
3.2
|
3.4
|
3.4
|
3.1
|
2.8
|
3.8
|
3.5
|
4.1
|
3.8
|
4.0
|
3.7
|
3.7
|
|
Cecil
|
3.1
|
3.3
|
3.5
|
3.1
|
2.9
|
3.9
|
3.4
|
3.8
|
3.6
|
4.0
|
3.8
|
3.6
|
|
Charles
|
3.3
|
3.2
|
3.3
|
3.1
|
2.9
|
3.9
|
3.1
|
3.8
|
3.6
|
4.2
|
4.3
|
3.7
|
|
Dorchester
|
3.0
|
3.3
|
3.4
|
3.4
|
3.3
|
4.0
|
3.1
|
3.4
|
3.3
|
4.1
|
4.7
|
3.4
|
|
Frederick
|
3.2
|
3.5
|
3.3
|
3.0
|
2.8
|
3.8
|
3.6
|
4.2
|
3.8
|
3.8
|
3.6
|
3.7
|
|
Garrett
|
3.1
|
2.7
|
3.4
|
3.5
|
2.8
|
4.0
|
4.0
|
4.1
|
4.0
|
4.1
|
4.1
|
3.0
|
|
Harford
|
3.3
|
3.7
|
3.8
|
3.3
|
2.9
|
4.1
|
3.7
|
4.3
|
3.8
|
4.3
|
4.2
|
4.0
|
|
Howard
|
3.2
|
3.5
|
3.5
|
3.1
|
3.0
|
3.9
|
3.4
|
4.2
|
3.8
|
3.7
|
3.9
|
3.7
|
|
Kent
|
3.2
|
3.4
|
3.7
|
3.2
|
3.0
|
4.0
|
3.3
|
4.0
|
3.8
|
4.0
|
4.1
|
3.7
|
|
Montgomery
|
3.1
|
3.4
|
3.2
|
3.0
|
2.9
|
3.7
|
3.3
|
4.2
|
3.8
|
3.8
|
3.9
|
3.7
|
|
Prince Georges
|
3.1
|
3.3
|
3.3
|
3.0
|
2.9
|
3.7
|
3.2
|
4.0
|
3.6
|
4.1
|
4.2
|
3.6
|
|
Queen Annes
|
3.2
|
3.4
|
3.6
|
3.3
|
3.0
|
3.8
|
3.2
|
3.8
|
3.6
|
4.0
|
4.4
|
3.7
|
|
Somerset
|
3.2
|
3.2
|
3.3
|
3.5
|
3.3
|
4.3
|
3.3
|
3.6
|
3.3
|
4.2
|
5.0
|
3.8
|
|
St Marys
|
3.1
|
3.2
|
3.1
|
3.0
|
3.0
|
4.0
|
3.1
|
4.0
|
3.7
|
4.2
|
4.1
|
3.5
|
|
Talbot
|
3.2
|
3.5
|
3.6
|
3.4
|
3.1
|
4.1
|
3.3
|
3.9
|
3.4
|
4.2
|
4.4
|
3.5
|
|
Washington
|
3.0
|
3.2
|
2.9
|
2.8
|
2.6
|
3.5
|
3.4
|
3.9
|
3.6
|
3.6
|
3.4
|
3.4
|
|
Wicomico
|
3.3
|
3.2
|
3.6
|
3.5
|
3.5
|
4.3
|
3.3
|
3.5
|
3.4
|
4.2
|
5.1
|
3.7
|
|
Worcester
|
3.3
|
3.3
|
3.5
|
3.5
|
3.5
|
4.4
|
3.1
|
3.5
|
3.4
|
4.2
|
5.0
|
3.5
|
For More Information
For more information contact the Water Supply Program at 410-537-3589 or water.supply@maryland.gov.
