Frost Dates for Mountain City, TN

Based on data from Mtn City 2 weather station, 0 miles away

Elevation: 2418 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 27
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 14
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 4
First Fall Frost October 9

Hard Freeze (28°F)

Last Spring Hard Freeze April 12
First Fall Hard Freeze October 24
36.47°N, -81.80°W © OpenStreetMap

Growing Season

170 Days April 27 to October 14

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°
34°
High: 46°F
Avg: 34°F
Low: 23°F
Jan
37°
High: 49°F
Avg: 37°F
Low: 25°F
Feb
44°
High: 57°F
Avg: 44°F
Low: 31°F
Mar
53°
High: 67°F
Avg: 53°F
Low: 39°F
Apr
61°
High: 74°F
Avg: 61°F
Low: 49°F
May
68°
High: 80°F
Avg: 68°F
Low: 56°F
Jun
71°
High: 82°F
Avg: 71°F
Low: 60°F
Jul
70°
High: 81°F
Avg: 70°F
Low: 59°F
Aug
65°
High: 77°F
Avg: 65°F
Low: 53°F
Sep
55°
High: 68°F
Avg: 55°F
Low: 41°F
Oct
45°
High: 58°F
Avg: 45°F
Low: 31°F
Nov
38°
High: 49°F
Avg: 38°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" 3" 6" 9" 9.4"
8.1"
8.11"
Jan
7.6"
7.57"
Feb
8.5"
8.52"
Mar
7.8"
7.76"
Apr
7.8"
7.75"
May
8.1"
8.06"
Jun
9.4"
9.37"
Jul
9.0"
9.04"
Aug
6.7"
6.73"
Sep
7.0"
7.00"
Oct
7.3"
7.35"
Nov
7.8"
7.77"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec10h10.5h11.5h13h14h14.5h14.5h13.5h12h11h10h9.5h
Jan: 7:43 AM – 5:30 PM · 9h 46m
Feb: 7:22 AM – 6:02 PM · 10h 40m
Mar: 7:45 AM – 7:29 PM · 11h 43m
Apr: 6:59 AM – 7:56 PM · 12h 56m
May: 6:25 AM – 8:22 PM · 13h 57m
Jun: 6:13 AM – 8:42 PM · 14h 29m
Jul: 6:25 AM – 8:41 PM · 14h 16m
Aug: 6:50 AM – 8:13 PM · 13h 24m
Sep: 7:15 AM – 7:28 PM · 12h 13m
Oct: 7:41 AM – 6:44 PM · 11h 03m
Nov: 7:12 AM – 5:13 PM · 10h 01m
Dec: 7:37 AM – 5:09 PM · 9h 31m
Daylight Eastern Time (ET) Longest: 14h 30m · Shortest: 9h 30m

Nearby Stations

Abingdon 3s, VA April 21 - October 20 Flat Springs 1e, NC April 18 - October 24 Boone 1 Se, NCMay 2 - October 13 Beech Mtn, NCMay 6 - October 14 Jefferson 2 E, NC May 7 - October 8 Banner Elk, NC April 30 - October 14

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