Meridian Idaho Climate Data

Monthly Average Climate Data for Meridian Idaho

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January24.3 °F39.3 °F1.52 in.
February27.3 °F46.6 °F1.09 in.
March32.5 °F56.4 °F1.42 in.
April36.9 °F63.4 °F1.28 in.
May44.6 °F72.7 °F1.44 in.
June51.3 °F81.5 °F0.75 in.
July58.0 °F92.3 °F0.29 in.
August56.1 °F90.7 °F0.17 in.
September48.1 °F80.4 °F0.44 in.
October37.9 °F66.1 °F0.78 in.
November29.6 °F50.0 °F1.19 in.
December24.3 °F39.6 °F1.63 in.
Annual39.2 °F64.9 °F12 in.

Climate Data for Meridian Idaho

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 21 - May 31
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 7a : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 7a : 0°F to 5°F
Current Drought ConditionsNormal
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate