Average temperature was 29.0 F in January 2017 in Grand Rapids, Michigan, 5.2 degrees above normal but only 15th warmest on record.
Monthly lowest minimum was 2.0 F. The mean is -3.0.
The high was 61.0 F. The mean is 49.
Precipitation was 3.51 inches. The mean is 2.05.
January snowfall was 14.8 inches. The mean is 18.5.
Heating degree days came to 1108. The mean is 1271.