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Frederick, MD Weather


Frederick, MD climate is warm during summer when temperatures tend to be in the 70'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 88.90 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 25.10 degrees Fahrenheit.

Temperature variations between night and day tend to be moderate during summer with a difference that can reach 22 degrees Fahrenheit, and fairly limited during winter with an average difference of 18 degrees Fahrenheit.

The annual average precipitation at Frederick is 40.64 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.

Weather Data

Normal Climate

Normal Temperatures

(FREDERICK POLICE BRKS Weather station, 1.10 miles from Frederick)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Max °F 41.5 45.9 55.6 67.4 76.8 84.8 88.9 86.7 80.0 68.4 56.5 45.9 66.5
Mean °F 33.3 36.6 45.1 55.6 65.2 73.6 77.9 76.1 69.3 57.6 47.3 37.8 56.3
Min °F 25.1 27.3 34.5 43.7 53.5 62.3 66.9 65.5 58.5 46.8 38.0 29.6 46.0

Normal Precipitation

(FREDERICK POLICE BRKS Weather station, 1.10 miles from Frederick)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Inch 3.05 2.59 3.45 3.32 4.18 3.91 3.50 2.93 3.82 3.26 3.27 3.36 40.64