Frost Dates for Raleigh, NC

Based on data from Raleigh State Univ weather station, 4 miles away

Elevation: 315 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. March 28
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 3
First Fall Frost November 4

Hard Freeze (28°F)

Last Spring Hard Freeze March 14
First Fall Hard Freeze November 23
35.77°N, 78.64°W © OpenStreetMap

Growing Season

225 Days March 28 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)
Temperature table
Average monthly temperatures (°F)
Month Avg High Avg Temp Avg Low
January52°42°32°
February55°44°33°
March63°51°40°
April72°61°49°
May80°69°58°
June87°77°66°
July91°81°70°
August89°79°69°
September82°73°63°
October73°62°51°
November62°52°41°
December55°45°35°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January8.9
February7.9
March10.9
April9.7
May9.1
June9.4
July10.4
August11.1
September11.4
October10.6
November10.4
December10.1

Sunrise / Sunset

Daylight Eastern Time (ET) Longest: 14h 26m · Shortest: 9h 34m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Eastern Time (ET))
Month Sunrise Sunset Daylight
January7:29 AM5:19 PM9h 50m
February7:09 AM5:50 PM10h 42m
March7:33 AM7:16 PM11h 44m
April6:48 AM7:43 PM12h 55m
May6:14 AM8:08 PM13h 54m
June6:03 AM8:27 PM14h 25m
July6:14 AM8:26 PM14h 12m
August6:38 AM7:60 PM13h 22m
September7:03 AM7:16 PM12h 13m
October7:28 AM6:32 PM11h 04m
November6:58 AM5:02 PM10h 04m
December7:23 AM4:58 PM9h 35m

Nearby Stations

Raleigh 4 Sw, NC March 28 - November 9 Cary, NCMarch 31 - November 10 Raleigh Durham Intl AP, NC March 31 - November 4 Apex, NCMarch 27 - November 8 Garner, NCApril 1 - November 1 Falls Lake, NC April 4 - November 4

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