Pushkin, St.-Petersburg, Russia

Frost dates for Pushkin

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

14 May

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

Median first autumn frost

8 October

The far end of the outdoor season.

Frost-free season

147 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 1 May 14 May 23 May 24 Apr 25 May
First of autumn 28 Sep 8 Oct 19 Oct 18 Sep 3 Nov
Frost-free days 171 147 128 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 17 Apr 30 Apr 10 May 31 Mar 17 May
First of autumn 13 Oct 20 Oct 3 Nov 3 Oct 7 Nov
Frost-free days 200 173 155 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 22 Apr 23 Mar 2 May
First of autumn 19 Oct 1 Nov 20 Nov 11 Oct 29 Nov
Frost-free days 237 209 180 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

Jan Mar Apr Jul Sep Oct Dec
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

J
F
M
A
M
J
J
A
S
O
N
D

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 -12.2°C -6.7°C 30.3
February -11.7°C -5.4°C 27.8
March -7.1°C -0.5°C 29.7
April -0.8°C 8.1°C 18.6
May 4.8°C 15.1°C 3.9
June 10°C 19.6°C 0
July 12.9°C 22°C 0
August 11.5°C 20.6°C 0
September 7.2°C 15.1°C 0.5
October 2°C 7.3°C 9.9
November -3.7°C 0.2°C 21.8
December -9.4°C -4.6°C 29

Turn these dates into a planting calendar →

Nearby

Compare with places close by

Kolpino Zone 4b 12 km Last frost 5 May First 15 Oct Gatchina Zone 5a 21 km Last frost 14 May First 10 Oct Saint Petersburg Zone 4b 25 km Last frost 5 May First 15 Oct Peterhof Zone 5b 34 km Last frost 4 May First 18 Oct Petrodvorets Zone 5b 39 km Last frost 4 May First 18 Oct Sosnovyy Bor Zone 6a 76 km Last frost 4 May First 22 Oct Kirishi Zone 4b 96 km Last frost 13 May First 13 Oct Kingisepp Zone 5b 107 km Last frost 7 May First 18 Oct

Seasonal context

Rainfall and the growing season in Pushkin

July has the highest average precipitation (97 mm); February has the lowest (42 mm). Compare this pattern with the planting windows and your water supply.

Jan 49 mm
Feb 42 mm
Mar 43 mm
Apr 55 mm
May 71 mm
Jun 92 mm
Jul 97 mm
Aug 96 mm
Sep 65 mm
Oct 76 mm
Nov 69 mm
Dec 58 mm

During wetter months, check that beds and containers drain after heavy rain. During drier months, plan how you will keep seeds and new transplants watered. Monthly averages can hide long dry spells and intense storms; they do not show soil moisture, humidity or this week's weather.

Source: NASA POWER, corrected MERRA-2 precipitation, 2001–2020. Values are approximate monthly totals, including the water equivalent of snow, from the nearest 0.5° × 0.625° grid cell. This reference period differs from the temperature record. Rainfall provides context and does not change the calculated planting dates. Method and limitations.

Plan your crops in My Garden