Anyang, Henan, China

Frost dates for Anyang

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

22 March

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

Median first autumn frost

15 November

The far end of the outdoor season.

Frost-free season

238 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	6 Mar	22 Mar	4 Apr	2 Mar	20 Apr
First of autumn	2 Nov	15 Nov	24 Nov	27 Oct	29 Nov
Frost-free days	263	238	212	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 Feb	9 Mar	22 Mar	19 Feb	28 Mar
First of autumn	9 Nov	18 Nov	29 Nov	2 Nov	6 Dec
Frost-free days	275	254	232	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	12 Feb	27 Feb	13 Mar	22 Jan	22 Mar
First of autumn	15 Nov	28 Nov	7 Dec	2 Nov	14 Dec
Frost-free days	298	275	247	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	-4.5°C	5.4°C	30.3
February	-2.3°C	9.6°C	22.5
March	2.8°C	17.2°C	7.6
April	9.1°C	24.3°C	0.3
May	15.5°C	30.4°C	0
June	21°C	34.7°C	0
July	23.4°C	34.4°C	0
August	21.8°C	32.3°C	0
September	16.8°C	28.4°C	0
October	10°C	22.3°C	0.1
November	2.4°C	14.6°C	8.6
December	-3.3°C	7.4°C	27.8

Turn these dates into a planting calendar →

Nearby

Compare with places close by

Handan Zone 7b 58 km Last frost 23 Mar First 13 Nov Xinxiang Zone 8a 114 km Last frost 19 Mar First 17 Nov Changzhi Zone 6b 115 km Last frost 20 Apr First 20 Oct Heze Zone 8a 137 km Last frost 25 Mar First 15 Nov Kaifeng Zone 8a 144 km Last frost 22 Mar First 16 Nov Liaocheng Zone 7b 150 km Last frost 31 Mar First 10 Nov Zhengzhou Zone 8a 163 km Last frost 19 Mar First 17 Nov Jining Zone 7b 213 km Last frost 30 Mar First 11 Nov