Frost Dates for IROZAKI, Japan

Frost Dates

This location never reaches freezing temperatures, so you can plant year-round!

In tropical and subtropical climates, the main challenge isn’t frost — it’s heat and humidity. Learn more about gardening in tropical climates.

34.60°N, 138.85°E © OpenStreetMap

USDA Hardiness Zone

Zone 10b

Avg. annual minimum: 2 to 4°C

Learn more

Köppen Climate

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

5° 15° 25°

9°

Jan

9°

Feb

11°

Mar

15°

Apr

19°

May

22°

Jun

25°

Jul

26°

Aug

24°

Sep

20°

Oct

16°

Nov

11°

Dec

Avg High Avg Temp Avg Low

Temperature table

Average monthly temperatures (°C)
Month	Avg High	Avg Temp	Avg Low
January	10°	9°	7°
February	11°	9°	7°
March	13°	11°	9°
April	17°	15°	13°
May	20°	19°	17°
June	23°	22°	20°
July	26°	25°	24°
August	27°	26°	25°
September	26°	24°	23°
October	22°	20°	19°
November	18°	16°	15°
December	13°	11°	10°

Precipitation

0 mm 75 mm 150 mm 225 mm 300 mm

99 mm

Jan

119 mm

Feb

188 mm

Mar

163 mm

Apr

191 mm

May

297 mm

Jun

229 mm

Jul

135 mm

Aug

229 mm

Sep

241 mm

Oct

147 mm

Nov

99 mm

Dec

Precipitation table

Average monthly precipitation (millimeters)
Month	Precipitation
January	99
February	119
March	188
April	163
May	191
June	297
July	229
August	135
September	229
October	241
November	147
December	99

Sunrise / Sunset

Jan: 7:02 AM – 4:58 PM · 9h 55m

Feb: 6:38 AM – 5:22 PM · 10h 45m

Mar: 6:08 AM – 5:52 PM · 11h 44m

Apr: 5:34 AM – 6:26 PM · 12h 53m

May: 5:06 AM – 6:54 PM · 13h 49m

Jun: 4:51 AM – 7:09 PM · 14h 18m

Jul: 4:57 AM – 7:03 PM · 14h 06m

Aug: 5:21 AM – 6:39 PM · 13h 18m

Sep: 5:54 AM – 6:06 PM · 12h 12m

Oct: 6:27 AM – 5:33 PM · 11h 06m

Nov: 6:55 AM – 5:05 PM · 10h 09m

Dec: 7:09 AM – 4:51 PM · 9h 41m

Daylight Longest: 14h 19m · Shortest: 9h 41m

Sunrise and sunset table

Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month	Sunrise	Sunset	Daylight
January	7:02 AM	4:58 PM	9h 55m
February	6:38 AM	5:22 PM	10h 45m
March	6:08 AM	5:52 PM	11h 44m
April	5:34 AM	6:26 PM	12h 53m
May	5:06 AM	6:54 PM	13h 49m
June	4:51 AM	7:09 PM	14h 18m
July	4:57 AM	7:03 PM	14h 06m
August	5:21 AM	6:39 PM	13h 18m
September	5:54 AM	6:06 PM	12h 12m
October	6:27 AM	5:33 PM	11h 06m
November	6:55 AM	5:05 PM	10h 09m
December	7:09 AM	4:51 PM	9h 41m

Nearby Stations

OSHIMA, Japan AJIRO, Japan February 25 - December 24 OMAEZAKI, Japan MISHIMA, Japan February 23 - December 24 SHIZUOKA, Japan February 27 - December 23 MIYAKEJIMA, Japan

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