Frost Dates for YAMAGATA, Japan

Elevation: 168 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 13
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 18

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 16
First Fall Frost November 14

Hard Freeze (−2°C)

Last Spring Hard Freeze March 31
First Fall Hard Freeze December 5
38.25°N, 140.35°E © OpenStreetMap

Growing Season

219 Days April 13 to November 18

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 8a

Avg. annual minimum: −12 to −9°C

Learn more

Köppen Climate

The 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

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°-5°
February3°-1°-4°
March7°2°-1°
April14°9°4°
May20°15°10°
June23°19°15°
July27°23°20°
August28°24°21°
September24°20°17°
October18°13°10°
November12°7°4°
December5°2°-1°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January132
February89
March109
April91
May89
June117
July185
August142
September132
October117
November97
December112

Sunrise / Sunset

Daylight Longest: 14h 40m · Shortest: 9h 20m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January7:11 AM4:49 PM9h 37m
February6:43 AM5:17 PM10h 34m
March6:09 AM5:51 PM11h 42m
April5:30 AM6:30 PM13h 00m
May4:58 AM7:02 PM14h 04m
June4:41 AM7:19 PM14h 39m
July4:48 AM7:12 PM14h 25m
August5:15 AM6:45 PM13h 29m
September5:53 AM6:07 PM12h 14m
October6:31 AM5:29 PM10h 59m
November7:04 AM4:56 PM9h 53m
December7:20 AM4:40 PM9h 21m

Nearby Stations

SENDAI, JapanApril 3 - December 1 SHINJO, Japan April 13 - November 19 MATSUSHIMA, Japan March 26 - December 7 SHONAI, Japan April 1 - December 10 ISHINOMAKI, Japan March 19 - December 13 WAKAMATSU, Japan April 10 - November 26

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