Chantilly Virginia Climate Data

Monthly Average Climate Data for Chantilly Virginia

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January24.8 °F43.1 °F2.98 in.
February26.3 °F46.3 °F2.61 in.
March33.2 °F54.8 °F3.71 in.
April43.2 °F66.6 °F3.28 in.
May52.9 °F74.7 °F4.46 in.
June62.0 °F83.2 °F4.41 in.
July66.8 °F87.7 °F4.3 in.
August65.0 °F86.0 °F3.55 in.
September58.2 °F79.4 °F4.19 in.
October45.8 °F67.9 °F3.75 in.
November35.5 °F56.9 °F3.17 in.
December28.9 °F47.0 °F3.55 in.
Annual45.2 °F66.1 °F43.96 in.

Climate Data for Chantilly Virginia

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 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