Sidney Montana Climate Data

Monthly Average Climate Data for Sidney Montana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January4.8 °F24.9 °F0.46 in.
February8.3 °F29.6 °F0.35 in.
March19.0 °F42.3 °F0.63 in.
April30.6 °F57.2 °F1.19 in.
May41.6 °F67.9 °F2.27 in.
June51.7 °F76.7 °F2.74 in.
July57.0 °F84.9 °F2.58 in.
August54.3 °F84.6 °F1.49 in.
September44.4 °F74.3 °F1.5 in.
October32.7 °F57.8 °F1.12 in.
November19.7 °F41.3 °F0.55 in.
December9.4 °F28.7 °F0.49 in.
Annual31.1 °F55.9 °F15.37 in.

Climate Data for Sidney Montana

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateJun. 1 - Jun. 10
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 4a : -30°F to -25°F
Plant Hardiness Zone - 2012Zone 4a : -30°F to -25°F
Current Drought ConditionsNormal
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate