Grand Rapids, Michigan, Climate Update for January 2018
Max temp 58, Mean Max temp 48
Min temp -11, Mean Min temp -3
Av temp 24.9, Mean Av temp 23.7
Precip 2.12, Mean precip 2.05
Snowfall 12.6, Mean snowfall 18.5
Snowfall season to date 46.1, Mean Snowfall season to date 41.4
Heating Degree Days 1235, Mean Heating Degree Days 1271
HDD Season to date 3678, HDD Mean Season to date 3759
