Frost Dates for Warrenton, VA

Based on data from Warrenton 3 Se weather station, 3 miles away

Elevation: 640 ft

Frost Dates

Last Spring Frost (50%) iA 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide. April 9
First Fall Frost (50%) iA 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. November 1
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30% Probability iOnly 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 15
First Fall Frost October 27

Hard Freeze (28°F)

Last Spring Hard Freeze March 29
First Fall Hard Freeze November 14
38.71°N, -77.80°W © OpenStreetMap

Growing Season

206 Days April 9 to November 1

USDA Hardiness Zone iHardiness 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 7a

Avg. annual minimum: 0 to 5°F (−18 to −15°C)

Learn more

Köppen Climate iThe 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

20° 40° 60° 80°
34°
High: 42°F
Avg: 34°F
Low: 25°F
Jan
36°
High: 46°F
Avg: 36°F
Low: 27°F
Feb
44°
High: 54°F
Avg: 44°F
Low: 34°F
Mar
55°
High: 66°F
Avg: 55°F
Low: 44°F
Apr
62°
High: 73°F
Avg: 62°F
Low: 52°F
May
71°
High: 81°F
Avg: 71°F
Low: 61°F
Jun
75°
High: 85°F
Avg: 75°F
Low: 66°F
Jul
74°
High: 84°F
Avg: 74°F
Low: 64°F
Aug
68°
High: 78°F
Avg: 68°F
Low: 58°F
Sep
56°
High: 67°F
Avg: 56°F
Low: 46°F
Oct
46°
High: 56°F
Avg: 46°F
Low: 37°F
Nov
37°
High: 46°F
Avg: 37°F
Low: 29°F
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 2" 4" 6" 6.1"
4.3"
4.31"
Jan
3.6"
3.64"
Feb
4.5"
4.46"
Mar
4.2"
4.20"
Apr
6.1"
6.14"
May
6.1"
6.10"
Jun
4.9"
4.89"
Jul
5.0"
4.95"
Aug
5.3"
5.32"
Sep
6.0"
6.04"
Oct
5.1"
5.07"
Nov
5.1"
5.14"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9.5h10.5h11.5h13h14h14.5h14.5h13.5h12h11h10h9.5h
Jan: 7:33 AM – 5:08 PM · 9h 35m
Feb: 7:09 AM – 5:42 PM · 10h 33m
Mar: 7:30 AM – 7:12 PM · 11h 42m
Apr: 6:41 AM – 7:42 PM · 13h 01m
May: 6:04 AM – 8:11 PM · 14h 06m
Jun: 5:51 AM – 8:32 PM · 14h 41m
Jul: 6:03 AM – 8:30 PM · 14h 27m
Aug: 6:30 AM – 8:01 PM · 13h 31m
Sep: 6:58 AM – 7:13 PM · 12h 14m
Oct: 7:27 AM – 6:25 PM · 10h 58m
Nov: 7:01 AM – 4:52 PM · 9h 51m
Dec: 7:28 AM – 4:46 PM · 9h 18m
Daylight Eastern Time (ET) Longest: 14h 43m · Shortest: 9h 17m

Nearby Stations

Manassas, VAApril 12 - October 27 Boston 4 Se, VA April 21 - October 22 Washington Dc Dulles AP, VA April 15 - October 24 Sperryville, VA April 16 - October 27 Wfo Sterling, VA April 13 - October 26 Front Royal, VA April 13 - October 28

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