Frost Dates for SEOUL ROK K-14, South Korea

Elevation: 9 m

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 30
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 10

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 6

Hard Freeze (−2°C)

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

Growing Season

225 Days March 30 to November 10

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 7b

Avg. annual minimum: −15 to −12°C

Learn more

Köppen Climate

The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
Dwa Hot-Summer Continental (Dry Winter)

Hot, wet summers and cold, dry winters. Monsoon influence brings most rain in summer. Good for warm-season crops during the rainy season; winters are harsh but dry.

Köppen climate map

Temperature

Avg High Avg Temp Avg Low Light Frost (0°C) Hard Frost (−2°C)
Temperature table
Average monthly temperatures (°C)
Month Avg High Avg Temp Avg Low
January1°-3°-7°
February4°0°-5°
March10°4°0°
April16°11°6°
May21°16°12°
June25°21°17°
July27°24°22°
August28°25°22°
September24°20°17°
October18°14°10°
November11°6°2°
December3°-1°-5°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January5
February15
March23
April61
May91
June132
July302
August257
September117
October46
November43
December10

Sunrise / Sunset

Daylight Longest: 14h 36m · Shortest: 9h 24m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January7:10 AM4:50 PM9h 41m
February6:42 AM5:18 PM10h 36m
March6:09 AM5:51 PM11h 43m
April5:31 AM6:29 PM12h 59m
May4:59 AM7:01 PM14h 01m
June4:43 AM7:17 PM14h 35m
July4:49 AM7:11 PM14h 21m
August5:17 AM6:43 PM13h 27m
September5:53 AM6:07 PM12h 14m
October6:30 AM5:30 PM11h 00m
November7:02 AM4:58 PM9h 56m
December7:17 AM4:43 PM9h 25m

Nearby Stations

YEO I DO K-16, South Korea March 31 - November 10 INCHEON, South Korea March 26 - November 15 UIJONGBU CAMP RED CL, South Korea April 1 - November 8 SUWON ROK K-13, South Korea March 31 - November 9 OSAN K 55, South Korea March 29 - November 13 CAMP HUMPHREYS, South Korea March 27 - November 15

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