Frost Dates for MUTSU, Japan

Elevation: 2 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 27
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 29
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 March 31
First Fall Frost November 23

Hard Freeze (−2°C)

Last Spring Hard Freeze March 13
First Fall Hard Freeze December 9
41.28°N, 141.22°W © OpenStreetMap

Growing Season

247 Days March 27 to November 29

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 8b

Avg. annual minimum: −9 to −7°C

Learn more

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

Dfa Hot-Summer Continental

Hot summers and cold winters with year-round precipitation. Moderate growing season supports warm-season crops like tomatoes, peppers, and corn. Winter protection extends the harvest.

Köppen climate map

Temperature

-5° 5° 15° 25°
-1°
High: 1°C
Avg: -1°C
Low: -2°C
Jan
-1°
High: 1°C
Avg: -1°C
Low: -2°C
Feb
2°
High: 4°C
Avg: 2°C
Low: 0°C
Mar
6°
High: 8°C
Avg: 6°C
Low: 4°C
Apr
11°
High: 13°C
Avg: 11°C
Low: 9°C
May
15°
High: 17°C
Avg: 15°C
Low: 14°C
Jun
19°
High: 21°C
Avg: 19°C
Low: 18°C
Jul
22°
High: 23°C
Avg: 22°C
Low: 21°C
Aug
20°
High: 21°C
Avg: 20°C
Low: 19°C
Sep
14°
High: 15°C
Avg: 14°C
Low: 12°C
Oct
7°
High: 9°C
Avg: 7°C
Low: 5°C
Nov
2°
High: 3°C
Avg: 2°C
Low: 0°C
Dec
0°C
−2°C
Avg High Avg Temp Avg Low Light Frost (0°C) Hard Frost (−2°C)

Precipitation

0 mm 50 mm 100 mm 150 mm
86 mm
86.4 mm
Jan
74 mm
73.7 mm
Feb
84 mm
83.8 mm
Mar
71 mm
71.1 mm
Apr
99 mm
99.1 mm
May
94 mm
94.0 mm
Jun
147 mm
147.3 mm
Jul
150 mm
149.9 mm
Aug
152 mm
152.4 mm
Sep
104 mm
104.1 mm
Oct
81 mm
81.3 mm
Nov
97 mm
96.5 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9.5h10.5h11.5h13h14.5h15h14.5h13.5h12.5h11h9.5h9h
Jan: 7:20 AM – 4:40 PM · 9h 20m
Feb: 6:48 AM – 5:12 PM · 10h 24m
Mar: 6:10 AM – 5:50 PM · 11h 40m
Apr: 5:27 AM – 6:33 PM · 13h 07m
May: 4:50 AM – 7:10 PM · 14h 19m
Jun: 4:31 AM – 7:29 PM · 14h 58m
Jul: 4:39 AM – 7:21 PM · 14h 42m
Aug: 5:10 AM – 6:50 PM · 13h 40m
Sep: 5:52 AM – 6:08 PM · 12h 16m
Oct: 6:34 AM – 5:26 PM · 10h 52m
Nov: 7:11 AM – 4:49 PM · 9h 38m
Dec: 7:29 AM – 4:31 PM · 9h 02m
Daylight Longest: 14h 59m · Shortest: 9h 01m

Nearby Stations

AOMORI, Japan April 11 - November 21 MISAWA, Japan April 14 - November 17 HAKODATE, Japan April 8 - November 21 HACHINOHE, Japan April 11 - November 19 ESASHI, Japan April 3 - November 22 MURORAN, Japan April 16 - November 14

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