Tula, Tula Oblast, Russia

Frost dates for Tula

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

3 May

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

Median first autumn frost

7 October

The far end of the outdoor season.

Frost-free season

157 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	3 May	18 May	15 Apr	24 May
First of autumn	23 Sep	7 Oct	19 Oct	5 Sep	27 Oct
Frost-free days	178	157	128	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	10 Apr	25 Apr	10 May	4 Apr	18 May
First of autumn	3 Oct	15 Oct	27 Oct	24 Sep	10 Nov
Frost-free days	200	174	146	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	28 Mar	6 Apr	20 Apr	19 Mar	3 May
First of autumn	5 Oct	29 Oct	12 Nov	30 Sep	23 Nov
Frost-free days	229	207	168	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	-13.6°C	-7.3°C	30.9
February	-12.6°C	-5.2°C	28.1
March	-7.6°C	-0.2°C	29.4
April	0.5°C	10.3°C	14.8
May	7°C	17.7°C	2
June	11.6°C	21.3°C	0
July	14.1°C	23.5°C	0
August	12.6°C	22.6°C	0
September	7.3°C	16.7°C	1
October	1.6°C	9°C	11.6
November	-4.4°C	0.6°C	24.3
December	-10.4°C	-5°C	29.9

Turn these dates into a planting calendar →

Nearby

Compare with places close by

Novomoskovsk Zone 4b 48 km Last frost 1 May First 7 Oct Serpukhov Zone 4b 82 km Last frost 1 May First 7 Oct Kaluga Zone 4b 95 km Last frost 1 May First 7 Oct Kolomna Zone 4b 123 km Last frost 3 May First 7 Oct Podolsk Zone 4b 137 km Last frost 2 May First 6 Oct Ryazan’ Zone 4b 143 km Last frost 1 May First 5 Oct Odintsovo Zone 4b 165 km Last frost 2 May First 6 Oct Lyubertsy Zone 4b 166 km Last frost 3 May First 7 Oct