Catonsville, MD Weather
Catonsville, MD climate is hot during summer when temperatures tend to be in the 80's and very cold during winter when temperatures tend to be in the 30's.
The warmest month of the year is July with an average maximum temperature of 90.60 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 29.40 degrees Fahrenheit.
Temperature variations between night and day tend to be fairly limited during summer with a difference that can reach 18 degrees Fahrenheit, and fairly limited during winter with an average difference of 15 degrees Fahrenheit.
The annual average precipitation at Catonsville is 43.59 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is May with an average rainfall of 4.18 Inches.