Sylvanite Montana Climate Data

Monthly Average Climate Data for Sylvanite Montana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January18.1 °F31.5 °F3.93 in.
February18.6 °F37.6 °F2.52 in.
March24.0 °F46.3 °F3.23 in.
April29.2 °F55.7 °F2.3 in.
May36.6 °F66.7 °F2.75 in.
June42.9 °F72.7 °F2.78 in.
July47.0 °F83.0 °F1.04 in.
August45.8 °F83.3 °F0.95 in.
September38.6 °F71.9 °F1.61 in.
October30.9 °F54.8 °F3.87 in.
November24.7 °F38.8 °F4.23 in.
December18.8 °F30.4 °F4.16 in.
Annual31.3 °F56.1 °F33.37 in.

Climate Data for Sylvanite Montana

Average First Frost DateSep.11 - Sep. 20
Average Last Frost DateJun. 11 - Jun. 20
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year