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°W © OpenStreetMap

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 10b

Avg. annual minimum: 2 to 4°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

5° 15° 25°
9°
High: 10°C
Avg: 9°C
Low: 7°C
Jan
9°
High: 11°C
Avg: 9°C
Low: 7°C
Feb
11°
High: 13°C
Avg: 11°C
Low: 9°C
Mar
15°
High: 17°C
Avg: 15°C
Low: 13°C
Apr
19°
High: 20°C
Avg: 19°C
Low: 17°C
May
22°
High: 23°C
Avg: 22°C
Low: 20°C
Jun
25°
High: 26°C
Avg: 25°C
Low: 24°C
Jul
26°
High: 27°C
Avg: 26°C
Low: 25°C
Aug
24°
High: 26°C
Avg: 24°C
Low: 23°C
Sep
20°
High: 22°C
Avg: 20°C
Low: 19°C
Oct
16°
High: 18°C
Avg: 16°C
Low: 15°C
Nov
11°
High: 13°C
Avg: 11°C
Low: 10°C
Dec
Avg High Avg Temp Avg Low

Precipitation

0 mm 75 mm 150 mm 225 mm 300 mm
99 mm
99.1 mm
Jan
119 mm
119.4 mm
Feb
188 mm
188.0 mm
Mar
163 mm
162.6 mm
Apr
191 mm
190.5 mm
May
297 mm
297.2 mm
Jun
229 mm
228.6 mm
Jul
135 mm
134.6 mm
Aug
229 mm
228.6 mm
Sep
241 mm
241.3 mm
Oct
147 mm
147.3 mm
Nov
99 mm
99.1 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec10h10.5h11.5h13h14h14.5h14h13.5h12h11h10h9.5h
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

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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