Flat Rock Michigan Climate Data

Monthly Average Climate Data for Flat Rock Michigan

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January18.7 °F32.5 °F2.42 in.
February19.8 °F35.1 °F2.1 in.
March27.6 °F44.9 °F2.55 in.
April38.2 °F58.0 °F3.2 in.
May49.5 °F69.7 °F3.81 in.
June59.4 °F79.3 °F3.52 in.
July63.4 °F83.2 °F3.35 in.
August61.9 °F81.4 °F3.42 in.
September54.6 °F75.1 °F3.25 in.
October43.0 °F62.3 °F2.8 in.
November33.2 °F48.8 °F2.7 in.
December25.1 °F37.6 °F2.4 in.
Annual41.2 °F59 °F35.52 in.

Climate Data for Flat Rock Michigan

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 11 - May 20
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6b : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
2024 plantmaps.com