Frost Dates for WAKAMATSU, Japan

Elevation: 218 m

Frost Dates

Last Spring Frost (50%) A 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide. April 10
First Fall Frost (50%) A 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. November 26

30% Probability

Only 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 April 14
First Fall Frost November 21

Hard Freeze (−2°C)

Last Spring Hard Freeze March 26
First Fall Hard Freeze December 8
37.48°N, 139.92°E © OpenStreetMap

Growing Season

230 Days April 10 to November 26

USDA Hardiness Zone

Hardiness 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

The 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

Avg High Avg Temp Avg Low Light Frost (0°C) Hard Frost (−2°C)
Temperature table
Average monthly temperatures (°C)
Month Avg High Avg Temp Avg Low
January2°-1°-3°
February3°0°-3°
March7°3°0°
April14°9°5°
May20°15°10°
June24°19°15°
July27°23°20°
August28°24°21°
September24°20°17°
October18°14°11°
November12°8°5°
December5°2°0°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January104
February76
March102
April97
May99
June117
July178
August140
September152
October127
November81
December97

Sunrise / Sunset

Daylight Longest: 14h 35m · Shortest: 9h 25m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January7:09 AM4:51 PM9h 41m
February6:42 AM5:18 PM10h 37m
March6:09 AM5:51 PM11h 43m
April5:31 AM6:29 PM12h 58m
May4:59 AM7:01 PM14h 01m
June4:43 AM7:17 PM14h 34m
July4:50 AM7:10 PM14h 21m
August5:17 AM6:43 PM13h 27m
September5:53 AM6:07 PM12h 14m
October6:30 AM5:30 PM11h 00m
November7:02 AM4:58 PM9h 56m
December7:17 AM4:43 PM9h 25m

Nearby Stations

SHIRAKAWA, Japan April 7 - November 19 FUKUSHIMA ARPT, Japan April 8 - November 18 NIIGATA, Japan March 27 - December 14 NIKKO, JapanApril 30 - October 31 YAMAGATA, Japan April 13 - November 18 UTSUNOMIYA, Japan April 4 - November 24

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