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Marble Rock, IA Weather


Marble Rock, IA climate is warm during summer when temperatures tend to be in the 70's and extremely cold during winter when temperatures tend to be in the 10's.

The warmest month of the year is July with an average maximum temperature of 9.99 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 6.30 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 19 degrees Fahrenheit.

The annual average precipitation at Marble Rock is 9.99 Inches. Summer months tend to be wetter than winter months. The wettest month of the year is June with an average rainfall of 5.19 Inches.

Weather Data

Normal Climate

Normal Temperatures

(CHARLES CITY Weather station, 9.99 miles from Marble Rock)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Max °F 25.0 31.4 44.2 59.9 72.3 81.2 84.1 81.9 74.6 62.3 43.2 29.1 57.4
Mean °F 15.7 22.2 34.5 48.1 60.2 69.3 72.7 70.5 62.4 50.5 34.4 20.7 46.8
Min °F 6.3 13.0 24.7 36.3 48.1 57.4 61.2 59.0 50.1 38.7 25.5 12.2 36.0

Normal Precipitation

(CHARLES CITY Weather station, 9.99 miles from Marble Rock)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Inch 0.93 0.87 2.01 3.41 4.08 5.19 4.61 4.57 3.36 2.45 2.13 1.08 9.99