McLean Virginia Climate Data

Monthly Average Climate Data for McLean Virginia

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January26.9 °F43.5 °F3.13 in.
February28.3 °F46.9 °F2.77 in.
March35.0 °F55.3 °F3.95 in.
April45.0 °F67.3 °F3.45 in.
May54.7 °F75.4 °F4.54 in.
June63.8 °F83.6 °F4.47 in.
July68.6 °F87.9 °F4.61 in.
August66.9 °F86.1 °F3.63 in.
September60.3 °F79.5 °F4.48 in.
October48.4 °F67.9 °F3.92 in.
November38.0 °F57.2 °F3.2 in.
December31.2 °F47.5 °F3.65 in.
Annual47.3 °F66.5 °F45.8 in.

Climate Data for McLean Virginia

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 7b : 5°F to 10°F
Plant Hardiness Zone - 2012Zone 7a : 0°F to 5°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationCfa - Humid Subtropical Climate