Frost Dates for SUWON ROK K-13, South Korea

Elevation: 25 m

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 31
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 9
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 4
First Fall Frost November 5

Hard Freeze (−2°C)

Last Spring Hard Freeze March 19
First Fall Hard Freeze November 19
37.25°N, 127.00°W © OpenStreetMap

Growing Season

223 Days March 31 to November 9

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

Avg. annual minimum: −15 to −12°C

Learn more

Köppen Climate iThe 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

-10° 0° 10° 20° 30°
-2°
High: 2°C
Avg: -2°C
Low: -6°C
Jan
0°
High: 5°C
Avg: 0°C
Low: -4°C
Feb
5°
High: 10°C
Avg: 5°C
Low: 0°C
Mar
11°
High: 16°C
Avg: 11°C
Low: 6°C
Apr
17°
High: 22°C
Avg: 17°C
Low: 12°C
May
21°
High: 26°C
Avg: 21°C
Low: 17°C
Jun
24°
High: 28°C
Avg: 24°C
Low: 22°C
Jul
25°
High: 29°C
Avg: 25°C
Low: 22°C
Aug
21°
High: 25°C
Avg: 21°C
Low: 17°C
Sep
14°
High: 19°C
Avg: 14°C
Low: 10°C
Oct
7°
High: 11°C
Avg: 7°C
Low: 3°C
Nov
0°
High: 4°C
Avg: 0°C
Low: -4°C
Dec
0°C
−2°C
Avg High Avg Temp Avg Low Light Frost (0°C) Hard Frost (−2°C)

Precipitation

0 mm 75 mm 150 mm 225 mm 300 mm
10 mm
10.2 mm
Jan
15 mm
15.2 mm
Feb
30 mm
30.5 mm
Mar
61 mm
61.0 mm
Apr
89 mm
88.9 mm
May
122 mm
121.9 mm
Jun
292 mm
292.1 mm
Jul
241 mm
241.3 mm
Aug
135 mm
134.6 mm
Sep
51 mm
50.8 mm
Oct
51 mm
50.8 mm
Nov
15 mm
15.2 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9.5h10.5h11.5h13h14h14.5h14.5h13.5h12h11h10h9.5h
Jan: 7:09 AM – 4:51 PM · 9h 42m
Feb: 6:41 AM – 5:19 PM · 10h 37m
Mar: 6:09 AM – 5:51 PM · 11h 43m
Apr: 5:31 AM – 6:29 PM · 12h 58m
May: 5:00 AM – 6:60 PM · 13h 60m
Jun: 4:43 AM – 7:17 PM · 14h 33m
Jul: 4:50 AM – 7:10 PM · 14h 20m
Aug: 5:17 AM – 6:43 PM · 13h 26m
Sep: 5:53 AM – 6:07 PM · 12h 13m
Oct: 6:30 AM – 5:30 PM · 11h 01m
Nov: 7:01 AM – 4:59 PM · 9h 58m
Dec: 7:17 AM – 4:43 PM · 9h 27m
Daylight Longest: 14h 34m · Shortest: 9h 26m

Nearby Stations

OSAN K 55, South Korea March 29 - November 13 YEO I DO K-16, South Korea March 31 - November 10 CAMP HUMPHREYS, South Korea March 27 - November 15 SEOUL ROK K-14, South Korea March 30 - November 10 INCHEON, South Korea March 26 - November 15 UIJONGBU CAMP RED CL, South Korea April 1 - November 8

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