Frost Dates for Groveton, VA

Based on data from Oxon Hill weather station, 5 miles away

Elevation: 197 ft

Frost Dates

Last Spring Frost (50%) A 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide. April 3
First Fall Frost (50%) A 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. November 8

30% Probability

Only a 30% chance of frost remaining by this date. Use these dates for a safer planting window, especially for tender plants sensitive to cold.
Last Spring Frost April 7
First Fall Frost November 1

Hard Freeze (28°F)

Last Spring Hard Freeze March 21
First Fall Hard Freeze November 19
38.77°N, 77.08°W © OpenStreetMap

Growing Season

219 Days April 3 to November 8

USDA Hardiness Zone

Hardiness zones indicate which perennial plants can survive winter in your area. For annual vegetables, frost dates and growing season length matter more than hardiness zone.
Zone 8a

Avg. annual minimum: 10 to 15°F

Learn more

Köppen Climate

The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
Cfa Humid Subtropical

Hot, humid summers and mild winters with rain year-round. Long growing seasons support a wide variety of vegetables, fruits, and ornamentals. The most common climate in the eastern US.

Köppen climate map

Temperature

Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)
Temperature table
Average monthly temperatures (°F)
Month Avg High Avg Temp Avg Low
January44°36°27°
February48°38°28°
March56°45°35°
April67°56°45°
May76°65°55°
June84°74°64°
July88°78°69°
August87°77°67°
September80°70°61°
October68°58°48°
November57°48°39°
December48°40°31°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January4.1
February3.5
March4.3
April4.6
May6.2
June6.7
July6.3
August6.6
September6.9
October5.6
November5.6
December5.8

Sunrise / Sunset

Daylight Eastern Time (ET) Longest: 14h 43m · Shortest: 9h 17m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Eastern Time (ET))
Month Sunrise Sunset Daylight
January7:30 AM5:04 PM9h 34m
February7:06 AM5:39 PM10h 32m
March7:27 AM7:09 PM11h 42m
April6:38 AM7:39 PM13h 01m
May6:01 AM8:08 PM14h 07m
June5:47 AM8:29 PM14h 42m
July5:60 AM8:27 PM14h 28m
August6:27 AM7:58 PM13h 31m
September6:55 AM7:10 PM12h 14m
October7:24 AM6:22 PM10h 57m
November6:58 AM4:48 PM9h 50m
December7:25 AM4:43 PM9h 18m

Nearby Stations

Washington Reagan AP, VA March 24 - November 18 Natl Arboretum Dc, MD March 29 - November 8 Dalecarlia Rsvr, MD April 9 - October 31 Upper Marlboro 3 Nnw, MD April 9 - October 29 Glenn Dale Bell Stn, MD April 22 - October 22 Beltsville, MD April 10 - November 1

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