Frost Dates for SEOUL ROK K-14, South Korea

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. March 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. November 10
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 3
First Fall Frost November 6

Hard Freeze (28°F / -2°C)

Last Spring Hard Freeze March 20
First Fall Hard Freeze November 18
37.55°N, 126.80°W © OpenStreetMap

Growing Season

225 Days March 30 to November 10

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 7b

Learn more

Temperature

10° 30° 50° 70° 90°
27°
High: 35°
Avg: 27°
Low: 20°
Jan
31°
High: 40°
Avg: 31°
Low: 24°
Feb
40°
High: 49°
Avg: 40°
Low: 32°
Mar
51°
High: 60°
Avg: 51°
Low: 43°
Apr
61°
High: 70°
Avg: 61°
Low: 54°
May
70°
High: 78°
Avg: 70°
Low: 63°
Jun
76°
High: 81°
Avg: 76°
Low: 71°
Jul
77°
High: 83°
Avg: 77°
Low: 72°
Aug
69°
High: 76°
Avg: 69°
Low: 62°
Sep
57°
High: 65°
Avg: 57°
Low: 49°
Oct
43°
High: 51°
Avg: 43°
Low: 36°
Nov
31°
High: 38°
Avg: 31°
Low: 24°
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 3" 6" 9" 11.9"
0.2"
0.20"
Jan
0.6"
0.60"
Feb
0.9"
0.90"
Mar
2.4"
2.40"
Apr
3.6"
3.60"
May
5.2"
5.20"
Jun
11.9"
11.90"
Jul
10.1"
10.10"
Aug
4.6"
4.60"
Sep
1.8"
1.80"
Oct
1.7"
1.70"
Nov
0.4"
0.40"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec10h11h12h13h14h15h14h13h12h11h10h9h
Jan: 7:10 AM – 4:50 PM · 9h 41m
Feb: 6:42 AM – 5:18 PM · 10h 36m
Mar: 6:09 AM – 5:51 PM · 11h 43m
Apr: 5:31 AM – 6:29 PM · 12h 59m
May: 4:59 AM – 7:01 PM · 14h 01m
Jun: 4:43 AM – 7:17 PM · 14h 35m
Jul: 4:49 AM – 7:11 PM · 14h 21m
Aug: 5:17 AM – 6:43 PM · 13h 27m
Sep: 5:53 AM – 6:07 PM · 12h 14m
Oct: 6:30 AM – 5:30 PM · 11h 00m
Nov: 7:02 AM – 4:58 PM · 9h 56m
Dec: 7:17 AM – 4:43 PM · 9h 25m
Daylight Longest: 14h 36m · Shortest: 9h 24m

Nearby Stations

Plan Your Garden with Planter

Now that you know your frost dates, use Planter to plan your veggie garden! Planter is an easy drag-and-drop garden planner with personalized planting schedules.

Try Planter For Free

Available everywhere: iOS, Android, web, and more!

Planter app garden planner preview