Portland Texas Climate Data

Monthly Average Climate Data for Portland Texas

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January49.1 °F65.1 °F1.73 in.
February53.1 °F68.4 °F1.61 in.
March59.5 °F73.3 °F2.35 in.
April65.5 °F78.3 °F1.82 in.
May72.6 °F83.6 °F3.31 in.
June77.6 °F88.1 °F3.47 in.
July78.7 °F89.4 °F2.72 in.
August78.5 °F90.7 °F2.65 in.
September75.0 °F88.2 °F5.62 in.
October68.1 °F82.5 °F3.49 in.
November58.5 °F74.1 °F2.21 in.
December50.9 °F67.4 °F1.92 in.
Annual65.6 °F79.1 °F32.9 in.

Climate Data for Portland Texas

Average First Frost DateDec. 21 - Dec. 31
Average Last Frost DateFeb. 11 - Feb. 20
Average Days With Frost5-10 Days
Plant Hardiness Zone - 2023Zone 10a : 30°F to 25°F
Plant Hardiness Zone - 2012Zone 9b : 25°F to 20°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate
2024 plantmaps.com