Pontiac Michigan Climate Data

Monthly Average Climate Data for Pontiac Michigan

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January16.0 °F30.4 °F2.27 in.
February16.9 °F33.4 °F1.91 in.
March25.1 °F43.4 °F2.24 in.
April36.1 °F56.5 °F2.97 in.
May47.5 °F68.5 °F3.85 in.
June57.3 °F78.0 °F3.26 in.
July61.3 °F82.0 °F3.19 in.
August60.3 °F80.2 °F3.25 in.
September53.1 °F73.8 °F2.99 in.
October41.7 °F60.2 °F2.89 in.
November31.7 °F47.2 °F2.44 in.
December22.7 °F35.3 °F2.27 in.
Annual39.1 °F57.4 °F33.53 in.

Climate Data for Pontiac 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
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