Frost Dates for Swannanoa, NC

Based on data from Swannanoa 2 Sse weather station, 2 miles away

Elevation: 2198 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 22
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. October 24

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 30
First Fall Frost October 19

Hard Freeze (28°F)

Last Spring Hard Freeze April 9
First Fall Hard Freeze November 1
35.60°N, 82.40°W © OpenStreetMap

Growing Season

185 Days April 22 to October 24

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 6b

Avg. annual minimum: −5 to 0°F

Learn more

Köppen Climate

The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
Cfb Oceanic (Marine West Coast)

Mild year-round with cool summers and wet winters. Excellent for cool-season crops like brassicas, peas, and root vegetables. Extended harvest seasons but summer heat-loving crops may struggle.

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
January41°33°25°
February44°36°27°
March52°42°33°
April62°52°42°
May69°60°50°
June73°65°57°
July76°68°61°
August75°67°60°
September70°62°54°
October61°53°44°
November52°43°34°
December44°36°28°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January4.1
February4.2
March5.8
April5.4
May4.8
June4.7
July4.8
August5.6
September6.3
October5.6
November5.7
December5.0

Sunrise / Sunset

Daylight Eastern Time (ET) Longest: 14h 25m · Shortest: 9h 35m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Eastern Time (ET))
Month Sunrise Sunset Daylight
January7:44 AM5:34 PM9h 51m
February7:23 AM6:05 PM10h 42m
March7:47 AM7:31 PM11h 44m
April7:03 AM7:57 PM12h 54m
May6:29 AM8:22 PM13h 53m
June6:18 AM8:42 PM14h 24m
July6:30 AM8:41 PM14h 11m
August6:53 AM8:14 PM13h 21m
September7:18 AM7:30 PM12h 13m
October7:42 AM6:47 PM11h 04m
November7:12 AM5:17 PM10h 05m
December7:37 AM5:13 PM9h 36m

Nearby Stations

Black Mtn 2 W, NC April 19 - October 23 N Fk 2, NCApril 5 - October 31 Asheville, NCApril 6 - October 31 Bent Creek, NC April 26 - October 18 Asheville Rgnl AP, NC April 9 - October 28 Asheville 8 Ssw, NC April 24 - October 18

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