Grand Rapids Michigan Climate Data

Monthly Average Climate Data for Grand Rapids Michigan

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January17.4 °F30.2 °F2.91 in.
February17.8 °F32.7 °F2.24 in.
March25.0 °F43.0 °F2.45 in.
April35.6 °F56.4 °F3.9 in.
May46.5 °F68.0 °F4.11 in.
June56.5 °F77.4 °F3.75 in.
July60.1 °F81.4 °F3.37 in.
August59.0 °F80.0 °F3.25 in.
September51.2 °F73.2 °F3.23 in.
October40.7 °F60.1 °F3.74 in.
November31.3 °F46.3 °F3.15 in.
December23.5 °F35.3 °F2.7 in.
Annual38.7 °F57 °F38.8 in.

Climate Data for Grand Rapids Michigan

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 21 - May 31
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation