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Okemos, MI Weather


Okemos, MI climate is mild during summer when temperatures tend to be in the 60'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 81.80 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 13.30 degrees Fahrenheit.

Temperature variations between night and day tend to be moderate during summer with a difference that can reach 23 degrees Fahrenheit, and fairly limited during winter with an average difference of 16 degrees Fahrenheit.

The annual average precipitation at Okemos is 30.91 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is August with an average rainfall of 3.41 Inches.

Weather Data

Normal Climate

Normal Temperatures

(EAST LANSING 4 S Weather station, 4.49 miles from Okemos)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Max °F 28.7 32.0 42.8 55.6 68.4 77.8 81.8 79.7 72.2 59.9 45.7 33.7 56.5
Mean °F 21.0 23.5 33.5 45.2 57.0 66.4 70.4 68.4 60.7 49.2 37.6 26.6 46.6
Min °F 13.3 14.9 24.1 34.8 45.6 54.9 58.9 57.0 49.1 38.4 29.5 19.5 36.7

Normal Precipitation

(EAST LANSING 4 S Weather station, 4.49 miles from Okemos)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Inch 1.56 1.39 2.12 3.27 2.68 3.08 3.00 3.41 3.39 2.45 2.58 1.98 30.91