Greendale Climate

Greendale, Wisconsin Weather

Greendale, Wisconsin 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 20’s.

The warmest month of the year is July with an average maximum temperature of 81.10 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 13.40 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 14 degrees Fahrenheit.

The annual average precipitation at Greendale is 34.81 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is August with an average rainfall of 4.03 Inches.

Normal Temperatures

Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Max °F 28.0 32.5 42.6 53.9 66.0 76.3 81.1 79.1 71.9 60.2 45.7 33.1 55.9
Mean °F 20.7 25.4 34.9 45.2 56.1 66.3 72.0 70.6 63.0 51.4 38.4 26.2 47.5
Min °F 13.4 18.3 27.3 36.4 46.2 56.3 62.9 62.1 54.1 42.6 31.0 19.4 39.2


(MILWAUKEE MITCHELL AP Weather station, 4.89 miles from Greendale)

Normal Precipitation

Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Inch 1.85 1.65 2.59 3.78 3.06 3.56 3.58 4.03 3.30 2.49 2.70 2.22 34.81


(MILWAUKEE MITCHELL AP Weather station, 4.89 miles from Greendale)