Oslo Minnesota Climate Data

Monthly Average Climate Data for Oslo Minnesota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January-3.1 °F14.5 °F0.6 in.
February0.3 °F19.4 °F0.56 in.
March14.7 °F32.4 °F0.85 in.
April30.2 °F51.0 °F1.2 in.
May42.7 °F65.9 °F3.39 in.
June54.4 °F75.3 °F4.21 in.
July58.0 °F79.8 °F3.4 in.
August55.0 °F79.4 °F2.96 in.
September46.1 °F70.2 °F2.58 in.
October33.8 °F54.0 °F1.91 in.
November18.9 °F35.5 °F0.88 in.
December5.3 °F20.8 °F0.79 in.
Annual29.7 °F49.9 °F23.33 in.

Climate Data for Oslo Minnesota

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateJun. 1 - Jun. 10
Average Days With FrostOver 180 Days
Plant Hardiness Zone - 2023Zone 4a : -30°F to -25°F
Plant Hardiness Zone - 2012Zone 4a : -30°F to -25°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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