Trego Montana Climate Data

Monthly Average Climate Data for Trego Montana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January15.5 °F30.1 °F1.2 in.
February16.4 °F36.0 °F0.88 in.
March22.4 °F44.9 °F1.02 in.
April28.6 °F54.7 °F1.32 in.
May36.2 °F65.4 °F2.04 in.
June42.9 °F71.9 °F3.21 in.
July46.8 °F82.3 °F1.45 in.
August45.1 °F82.3 °F0.83 in.
September37.3 °F70.7 °F1.36 in.
October29.4 °F54.1 °F1.16 in.
November23.5 °F38.8 °F1.39 in.
December16.5 °F29.4 °F1.4 in.
Annual30.1 °F55.1 °F17.26 in.

Climate Data for Trego Montana

Average First Frost DateSep.11 - Sep. 20
Average Last Frost DateJun. 1 - Jun. 10
Average Days With FrostOver 180 Days
Plant Hardiness Zone - 2023Zone 5a : -20°F to -15°F
Plant Hardiness Zone - 2012Zone 4b : -25°F to -20°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year