Grand Coteau Louisiana Climate Data

Monthly Average Climate Data for Grand Coteau Louisiana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January41.4 °F61.7 °F6.82 in.
February44.8 °F65.4 °F4.72 in.
March51.0 °F72.2 °F4.22 in.
April57.3 °F78.5 °F4.99 in.
May65.5 °F85.0 °F5.83 in.
June71.5 °F90.0 °F6.62 in.
July73.4 °F91.4 °F5.45 in.
August72.7 °F92.2 °F5.56 in.
September68.2 °F88.4 °F5.34 in.
October57.9 °F81.0 °F5.05 in.
November48.3 °F70.9 °F4.95 in.
December43.2 °F63.8 °F5.04 in.
Annual57.9 °F78.4 °F64.59 in.

Climate Data for Grand Coteau Louisiana

Average First Frost DateNov. 21 - Nov. 30
Average Last Frost DateFeb. 21 - Feb. 29
Average Days With Frost10-20 Days
Plant Hardiness Zone - 2023Zone 9a : 20°F to 25°F
Plant Hardiness Zone - 2012Zone 9a : 20°F to 25°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCfa - Humid Subtropical Climate
2024 plantmaps.com