Novocheboksarsk, Chuvash Republic, Russia

Frost dates for Novocheboksarsk

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

4 May

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

Median first autumn frost

4 October

The far end of the outdoor season.

Frost-free season

153 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	24 Apr	4 May	24 May	14 Apr	29 May
First of autumn	23 Sep	4 Oct	18 Oct	17 Sep	22 Oct
Frost-free days	177	153	122	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	13 Apr	28 Apr	10 May	10 Apr	15 May
First of autumn	2 Oct	18 Oct	27 Oct	17 Sep	8 Nov
Frost-free days	197	173	145	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	5 Apr	10 Apr	21 Apr	2 Apr	26 Apr
First of autumn	13 Oct	26 Oct	9 Nov	1 Oct	25 Nov
Frost-free days	218	200	175	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	-17°C	-10.4°C	31
February	-15.9°C	-8.1°C	28.3
March	-9.4°C	-1.9°C	30.6
April	-0.7°C	8.7°C	17.7
May	6.6°C	17.4°C	2.6
June	11.9°C	21.5°C	0
July	14.6°C	24.2°C	0
August	12.8°C	22.7°C	0
September	7.3°C	16.1°C	0.6
October	0.8°C	7.4°C	13.6
November	-6.8°C	-1.8°C	27.3
December	-14.7°C	-8.4°C	30.8

Turn these dates into a planting calendar →

Nearby

Compare with places close by

Cheboksary Zone 4a 15 km Last frost 4 May First 4 Oct Yoshkar-Ola Zone 3b 64 km Last frost 8 May First 3 Oct Kazan Zone 4a 108 km Last frost 7 May First 2 Oct Ulyanovsk Zone 4a 206 km Last frost 30 Apr First 11 Oct Nizhniy Novgorod Zone 4a 216 km Last frost 3 May First 5 Oct Dzerzhinsk Zone 4a 249 km Last frost 4 May First 3 Oct