Bristow Iowa Climate Data

Monthly Average Climate Data for Bristow Iowa

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-13 °C-3.6 °C23.62 mm
February-10.7 °C-1.1 °C26.92 mm
March-4.2 °C6.2 °C46.99 mm
April2.2 °C14.7 °C96.77 mm
May9.2 °C21.3 °C127 mm
June15.2 °C26.7 °C146.3 mm
July17 °C28.3 °C114.81 mm
August15.5 °C27.1 °C104.65 mm
September10.7 °C23.8 °C85.85 mm
October3.9 °C16.4 °C65.28 mm
November-3.1 °C7.1 °C44.2 mm
December-9.2 °C-0.4 °C34.8 mm
Annual2.8 °C13.9 °C917.19 mm

Climate Data for Bristow Iowa

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 11 - May 20
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 5a : -28.9°C to -26.1°C
Plant Hardiness Zone - 2012Zone 5a : -28.9°C to -26.1°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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