Merrill Michigan Climate Data

Monthly Average Climate Data for Merrill Michigan

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-9.6 °C-1.2 °C54.36 mm
February-9.5 °C0.1 °C44.45 mm
March-4.8 °C5.9 °C50.29 mm
April1.3 °C13.4 °C87.38 mm
May8 °C20.4 °C92.96 mm
June13.4 °C25.8 °C89.41 mm
July15.2 °C28.1 °C79.5 mm
August14.1 °C26.9 °C88.65 mm
September9.7 °C23.4 °C70.36 mm
October4.1 °C16.1 °C80.52 mm
November-1.1 °C8.2 °C63.75 mm
December-5.8 °C1.7 °C51.31 mm
Annual2.9 °C14.1 °C852.94 mm

Climate Data for Merrill Michigan

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6a : -23.3°C to -20.6°C
Plant Hardiness Zone - 2012Zone 5b : -26.1°C to -23.3°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year