Frost Dates for IWO JIMA AFB, Japan

Elevation: 105 m

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.

24.78°N, 141.33°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 13a

Avg. annual minimum: 16 to 18°C

Learn more

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

Am Tropical Monsoon

Hot year-round with a short dry season offset by heavy monsoon rains. Similar to rainforest climates but with a more pronounced wet season. Great for tropical fruit and rice.

Köppen climate map

Temperature

15° 20° 25° 30°
20°
High: 21°C
Avg: 20°C
Low: 19°C
Jan
19°
High: 20°C
Avg: 19°C
Low: 19°C
Feb
21°
High: 21°C
Avg: 21°C
Low: 20°C
Mar
22°
High: 23°C
Avg: 22°C
Low: 22°C
Apr
24°
High: 25°C
Avg: 24°C
Low: 24°C
May
26°
High: 27°C
Avg: 26°C
Low: 26°C
Jun
27°
High: 28°C
Avg: 27°C
Low: 26°C
Jul
27°
High: 28°C
Avg: 27°C
Low: 26°C
Aug
27°
High: 27°C
Avg: 27°C
Low: 26°C
Sep
26°
High: 27°C
Avg: 26°C
Low: 26°C
Oct
25°
High: 25°C
Avg: 25°C
Low: 24°C
Nov
22°
High: 23°C
Avg: 22°C
Low: 21°C
Dec
Avg High Avg Temp Avg Low

Precipitation

0 mm 50 mm 100 mm 150 mm
46 mm
45.7 mm
Jan
41 mm
40.6 mm
Feb
51 mm
50.8 mm
Mar
79 mm
78.7 mm
Apr
157 mm
157.5 mm
May
69 mm
68.6 mm
Jun
124 mm
124.5 mm
Jul
170 mm
170.2 mm
Aug
150 mm
149.9 mm
Sep
114 mm
114.3 mm
Oct
89 mm
88.9 mm
Nov
94 mm
94.0 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec10.5h11h12h12.5h13h13.5h13.5h13h12h11.5h11h10.5h
Jan: 6:41 AM – 5:19 PM · 10h 37m
Feb: 6:25 AM – 5:35 PM · 11h 10m
Mar: 6:05 AM – 5:55 PM · 11h 50m
Apr: 5:42 AM – 6:18 PM · 12h 35m
May: 5:24 AM – 6:36 PM · 13h 12m
Jun: 5:14 AM – 6:46 PM · 13h 32m
Jul: 5:18 AM – 6:42 PM · 13h 24m
Aug: 5:34 AM – 6:26 PM · 12h 52m
Sep: 5:56 AM – 6:04 PM · 12h 08m
Oct: 6:18 AM – 5:42 PM · 11h 24m
Nov: 6:37 AM – 5:23 PM · 10h 46m
Dec: 6:46 AM – 5:14 PM · 10h 28m
Daylight Longest: 13h 32m · Shortest: 10h 28m

Nearby Stations

IWO JIMA AB, Japan

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