Frost Dates for JIAN, China

Elevation: 70 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. February 2
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. December 19

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 February 11
First Fall Frost December 14

Hard Freeze (−2°C)

Last Spring Hard Freeze January 25
First Fall Hard Freeze December 25
27.12°N, 114.97°E © OpenStreetMap

Growing Season

321 Days February 2 to December 19

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 9b

Avg. annual minimum: −4 to −1°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
Temperature table
Average monthly temperatures (°C)
Month Avg High Avg Temp Avg Low
January11°7°4°
February14°10°6°
March18°14°10°
April24°19°16°
May28°24°20°
June30°27°24°
July34°30°26°
August33°29°26°
September30°26°22°
October25°21°17°
November19°15°11°
December13°9°5°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January61
February74
March157
April175
May236
June267
July140
August142
September81
October58
November74
December51

Sunrise / Sunset

Daylight Longest: 13h 43m · Shortest: 10h 17m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January6:46 AM5:14 PM10h 28m
February6:28 AM5:32 PM11h 04m
March6:06 AM5:54 PM11h 48m
April5:41 AM6:19 PM12h 39m
May5:20 AM6:40 PM13h 20m
June5:09 AM6:51 PM13h 42m
July5:13 AM6:47 PM13h 33m
August5:31 AM6:29 PM12h 58m
September5:55 AM6:05 PM12h 09m
October6:20 AM5:40 PM11h 20m
November6:41 AM5:19 PM10h 38m
December6:51 AM5:09 PM10h 18m

Nearby Stations

NANCHANG, China February 6 - December 19 CHANGSHA, China February 10 - December 14

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