Frost Dates for KUMAMOTO, Japan

Elevation: 15 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. February 18
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. December 16
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 February 23
First Fall Frost December 10

Hard Freeze (−2°C)

Last Spring Hard Freeze January 31
First Fall Hard Freeze December 21
32.82°N, 130.70°W © OpenStreetMap

Growing Season

302 Days February 18 to December 16

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 9b

Avg. annual minimum: −4 to −1°C

Learn more

Köppen Climate iThe Köppen climate classification system categorizes climates based on temperature and precipitation patterns.

Cfa Humid Subtropical

Hot, humid summers and mild winters with rain year-round. Long growing seasons support a wide variety of vegetables, fruits, and ornamentals. The most common climate in the eastern US.

Köppen climate map

Temperature

0° 10° 20° 30°
6°
High: 9°C
Avg: 6°C
Low: 3°C
Jan
7°
High: 10°C
Avg: 7°C
Low: 4°C
Feb
10°
High: 14°C
Avg: 10°C
Low: 6°C
Mar
15°
High: 19°C
Avg: 15°C
Low: 11°C
Apr
19°
High: 23°C
Avg: 19°C
Low: 15°C
May
22°
High: 26°C
Avg: 22°C
Low: 20°C
Jun
26°
High: 29°C
Avg: 26°C
Low: 23°C
Jul
27°
High: 30°C
Avg: 27°C
Low: 24°C
Aug
24°
High: 28°C
Avg: 24°C
Low: 21°C
Sep
19°
High: 23°C
Avg: 19°C
Low: 15°C
Oct
13°
High: 17°C
Avg: 13°C
Low: 10°C
Nov
8°
High: 11°C
Avg: 8°C
Low: 5°C
Dec
Avg High Avg Temp Avg Low

Precipitation

0 mm 125 mm 250 mm 375 mm
79 mm
78.7 mm
Jan
97 mm
96.5 mm
Feb
135 mm
134.6 mm
Mar
152 mm
152.4 mm
Apr
178 mm
177.8 mm
May
417 mm
416.6 mm
Jun
305 mm
304.8 mm
Jul
142 mm
142.2 mm
Aug
155 mm
154.9 mm
Sep
94 mm
94.0 mm
Oct
89 mm
88.9 mm
Nov
86 mm
86.4 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec10h11h12h13h13.5h14h14h13h12h11h10.5h10h
Jan: 6:58 AM – 5:02 PM · 10h 04m
Feb: 6:35 AM – 5:25 PM · 10h 50m
Mar: 6:07 AM – 5:53 PM · 11h 45m
Apr: 5:35 AM – 6:25 PM · 12h 49m
May: 5:09 AM – 6:51 PM · 13h 41m
Jun: 4:55 AM – 7:05 PM · 14h 09m
Jul: 5:01 AM – 6:59 PM · 13h 58m
Aug: 5:24 AM – 6:36 PM · 13h 13m
Sep: 5:54 AM – 6:06 PM · 12h 11m
Oct: 6:25 AM – 5:35 PM · 11h 10m
Nov: 6:52 AM – 5:08 PM · 10h 16m
Dec: 7:05 AM – 4:55 PM · 9h 51m
Daylight Longest: 14h 10m · Shortest: 9h 50m

Nearby Stations

ASOSAN, Japan April 16 - November 6 HITA, JapanMarch 16 - December 7 SAGA, Japan February 23 - December 20 HITOYOSHI, Japan March 3 - December 11 NAGASAKI, Japan FUKUOKA, Japan February 23 - December 23

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