Plano Texas Climate Data

Monthly Average Climate Data for Plano Texas

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January35.3 °F55.5 °F2.66 in.
February38.9 °F59.7 °F3.05 in.
March46.7 °F67.4 °F3.6 in.
April54.4 °F75.2 °F3.6 in.
May63.8 °F82.6 °F5.18 in.
June71.7 °F90.3 °F4.0 in.
July75.2 °F94.7 °F2.17 in.
August74.8 °F95.0 °F2.29 in.
September67.5 °F88.1 °F3.25 in.
October56.3 °F78.1 °F4.81 in.
November45.8 °F66.2 °F3.22 in.
December37.3 °F57.4 °F3.52 in.
Annual55.6 °F75.9 °F41.35 in.

Climate Data for Plano Texas

Average First Frost DateNov. 21 - Nov. 30
Average Last Frost DateMar. 21 - Mar. 31
Average Days With Frost30-40 Days
Plant Hardiness Zone - 2023Zone 8b : 15°F to 20°F
Plant Hardiness Zone - 2012Zone 8a : 10°F to 15°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate