Nizhny Tagil, Sverdlovsk Oblast, Russia

Frost dates for Nizhny Tagil

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

20 May

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

Median first autumn frost

22 September

The far end of the outdoor season.

Frost-free season

125 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	7 May	20 May	2 Jun	5 May	16 Jun
First of autumn	10 Sep	22 Sep	7 Oct	27 Aug	16 Oct
Frost-free days	153	125	100	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	1 May	11 May	28 May	27 Apr	2 Jun
First of autumn	22 Sep	6 Oct	20 Oct	12 Sep	25 Oct
Frost-free days	172	148	117	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	16 Apr	1 May	15 May	10 Apr	21 May
First of autumn	4 Oct	12 Oct	21 Oct	23 Sep	5 Nov
Frost-free days	188	164	142	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	-20.6°C	-14.2°C	31
February	-18.7°C	-11.1°C	28.3
March	-11.3°C	-3.7°C	30.9
April	-3.7°C	5°C	24.4
May	3.4°C	14.8°C	8.3
June	9.4°C	19.5°C	0.3
July	12.3°C	22.4°C	0
August	10.3°C	20°C	0
September	4.9°C	13.2°C	3.4
October	-1.6°C	4.3°C	20.2
November	-11.7°C	-6°C	29.3
December	-18.3°C	-12.2°C	31

Turn these dates into a planting calendar →

Nearby

Compare with places close by

Pervouralsk Zone 3b 113 km Last frost 19 May First 22 Sep Yekaterinburg Zone 3b 124 km Last frost 20 May First 24 Sep Kamensk-Ural’skiy Zone 3a 206 km Last frost 15 May First 26 Sep Perm Zone 3a 219 km Last frost 17 May First 29 Sep Berezniki Zone 2b 246 km Last frost 20 May First 27 Sep