Frost Dates for Roan Mountain, TN

Based on data from Roan Mtn 3sw weather station, 3 miles away

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 30
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. October 12
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 May 7
First Fall Frost October 7

Hard Freeze (28°F)

Last Spring Hard Freeze April 20
First Fall Hard Freeze October 23
36.20°N, -82.07°W © OpenStreetMap

Growing Season

165 Days April 30 to October 12

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 6b

Avg. annual minimum: −5 to 0°F (−21 to −18°C)

Learn more

Köppen Climate iThe 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

20° 40° 60° 80°
33°
High: 44°F
Avg: 33°F
Low: 22°F
Jan
37°
High: 48°F
Avg: 37°F
Low: 25°F
Feb
43°
High: 55°F
Avg: 43°F
Low: 31°F
Mar
51°
High: 65°F
Avg: 51°F
Low: 38°F
Apr
59°
High: 71°F
Avg: 59°F
Low: 47°F
May
66°
High: 77°F
Avg: 66°F
Low: 55°F
Jun
69°
High: 80°F
Avg: 69°F
Low: 59°F
Jul
68°
High: 78°F
Avg: 68°F
Low: 58°F
Aug
62°
High: 74°F
Avg: 62°F
Low: 51°F
Sep
54°
High: 67°F
Avg: 54°F
Low: 40°F
Oct
43°
High: 56°F
Avg: 43°F
Low: 30°F
Nov
37°
High: 48°F
Avg: 37°F
Low: 26°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" 6.5"
3.7"
3.70"
Jan
4.3"
4.34"
Feb
5.1"
5.09"
Mar
5.3"
5.25"
Apr
6.0"
6.01"
May
6.5"
6.53"
Jun
6.5"
6.50"
Jul
5.6"
5.60"
Aug
4.6"
4.59"
Sep
4.9"
4.93"
Oct
4.4"
4.42"
Nov
4.3"
4.26"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec10h10.5h11.5h13h14h14.5h14h13.5h12h11h10h9.5h
Jan: 7:06 AM – 4:54 PM · 9h 48m
Feb: 6:40 AM – 5:20 PM · 10h 40m
Mar: 6:08 AM – 5:52 PM · 11h 44m
Apr: 5:32 AM – 6:28 PM · 12h 56m
May: 5:02 AM – 6:58 PM · 13h 55m
Jun: 4:47 AM – 7:13 PM · 14h 27m
Jul: 4:53 AM – 7:07 PM · 14h 14m
Aug: 5:19 AM – 6:41 PM · 13h 23m
Sep: 5:54 AM – 6:06 PM · 12h 13m
Oct: 6:28 AM – 5:32 PM · 11h 03m
Nov: 6:59 AM – 5:01 PM · 10h 02m
Dec: 7:14 AM – 4:46 PM · 9h 33m
Daylight Longest: 14h 28m · Shortest: 9h 32m

Nearby Stations

Flat Springs 1e, NC April 18 - October 24 Banner Elk, NC April 30 - October 14 Beech Mtn, NCMay 6 - October 14 Grandfather Mtn, NC May 5 - October 13 Elizabethton, TN April 19 - October 24 Spruce Pine 2 Ne, NC April 26 - October 20

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