Greenbelt Maryland Climate Data

Monthly Average Climate Data for Greenbelt Maryland

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January25.6 °F43.3 °F3.12 in.
February27.1 °F46.4 °F2.75 in.
March33.7 °F54.7 °F3.99 in.
April43.6 °F66.4 °F3.47 in.
May53.5 °F74.9 °F4.5 in.
June62.7 °F83.4 °F4.65 in.
July67.4 °F87.9 °F4.5 in.
August65.6 °F86.2 °F3.75 in.
September59.0 °F79.6 °F4.54 in.
October46.7 °F68.1 °F3.88 in.
November36.5 °F57.1 °F3.14 in.
December29.8 °F47.4 °F3.72 in.
Annual45.9 °F66.3 °F46.01 in.

Climate Data for Greenbelt Maryland

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 1 - May 10
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 ConditionsAbnormally Dry
Köppen Climate ClassificationCfa - Humid Subtropical Climate