Jinzhong, Shanxi, China

Frost dates for Jinzhong

The full distribution rather than a single date. Every figure below is a percentile of 30 years of daily minimum temperatures at this location, expressed as the date it fell on.

Median last spring frost

21 April

Half of years are later than this. Not a planting date.

Median first autumn frost

17 October

The far end of the outdoor season.

Frost-free season

180 days

Between those two dates in a median year.

Last and first frost by severity

Read a row as: in this fraction of years, the last frost of spring had already happened by this date. The 90% column is the cautious planting date; the 10% column is the gamble.

Light frost — nights at or below 0°C (32°F). Air temperature reaches freezing. Kills basil, beans and unhardened tomatoes; hardy crops shrug it off.
Frost	1 year in 10	Median	9 years in 10	Earliest	Latest
Last of spring	5 Apr	21 Apr	29 Apr	29 Mar	5 May
First of autumn	9 Oct	17 Oct	29 Oct	24 Sep	5 Nov
Frost-free days	207	180	163	every year on record saw this

Moderate frost — nights at or below -2.2°C (28°F). Damages half-hardy plants and most blossom. This is the threshold that decides a fruit crop.
Frost	1 year in 10	Median	9 years in 10	Earliest	Latest
Last of spring	27 Mar	12 Apr	24 Apr	18 Mar	29 Apr
First of autumn	18 Oct	26 Oct	5 Nov	10 Oct	18 Nov
Frost-free days	223	198	177	every year on record saw this

Hard frost — nights at or below -4.4°C (24.1°F). Ground freezes and even hardy crops check their growth. Effectively the end of the outdoor year.
Frost	1 year in 10	Median	9 years in 10	Earliest	Latest
Last of spring	20 Mar	31 Mar	17 Apr	3 Mar	28 Apr
First of autumn	25 Oct	6 Nov	18 Nov	10 Oct	22 Nov
Frost-free days	243	220	190	every year on record saw this

Dates in the southern hemisphere are computed on a growing year that starts in July, which is why "last of spring" falls where it should rather than in the middle of the calendar.

Chance of frost, week by week

Chance of at least one air frost during each week of the year, measured across the full record. The flat stretch in the middle is your frost-free season.

Temperature through the year

Mean monthly temperature across the record. Months shown in blue average at least one air frost.

Monthly means and average number of frost nights.
Month	Mean low	Mean high	Frost nights
January	-10.7°C	1.6°C	31
February	-7°C	5.6°C	28.1
March	-2.5°C	13°C	24.9
April	3.1°C	20.2°C	7.1
May	9.6°C	26.4°C	0.1
June	15.3°C	30.8°C	0
July	18.2°C	31.5°C	0
August	16.6°C	29.6°C	0
September	11.2°C	24.7°C	0
October	4°C	18.1°C	4.8
November	-2.9°C	9.9°C	23.9
December	-9.1°C	2.6°C	31

Turn these dates into a planting calendar →

Nearby

Compare with places close by

Taiyuan Zone 6a 27 km Last frost 24 Apr First 12 Oct Lüliang Zone 6a 143 km Last frost 26 Apr First 11 Oct Shijiazhuang Zone 7b 156 km Last frost 31 Mar First 9 Nov Changzhi Zone 6b 170 km Last frost 20 Apr First 20 Oct Handan Zone 7b 195 km Last frost 23 Mar First 13 Nov Linfen Zone 7a 209 km Last frost 9 Apr First 28 Oct Anyang Zone 8a 228 km Last frost 22 Mar First 15 Nov