Frost Dates for ST. PETERSBURG, Russia

Elevation: 11 m

Frost Dates

Last Spring Frost (50%) iA 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide. April 30
First Fall Frost (50%) iA 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. October 18
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30% Probability iOnly a 30% chance of frost remaining by this date. Use these dates for a safer planting window, especially for tender plants sensitive to cold.

Last Spring Frost May 4
First Fall Frost October 13

Hard Freeze (−2°C)

Last Spring Hard Freeze April 19
First Fall Hard Freeze October 30
59.97°N, 30.30°W © OpenStreetMap

Growing Season

171 Days April 30 to October 18

USDA Hardiness Zone iHardiness zones indicate which perennial plants can survive winter in your area. For annual vegetables, frost dates and growing season length matter more than hardiness zone.

Zone 6a

Avg. annual minimum: −23 to −21°C

Learn more

Köppen Climate iThe Köppen climate classification system categorizes climates based on temperature and precipitation patterns.

Dfb Warm-Summer Continental

Warm summers and cold, snowy winters. A shorter growing season than hot-summer continental. Hardy vegetables, root crops, and cool-season greens do well. Season extension is valuable.

Köppen climate map

Temperature

-10° 0° 10° 20°
-6°
High: -4°C
Avg: -6°C
Low: -8°C
Jan
-6°
High: -4°C
Avg: -6°C
Low: -9°C
Feb
-2°
High: 0°C
Avg: -2°C
Low: -6°C
Mar
4°
High: 8°C
Avg: 4°C
Low: 0°C
Apr
10°
High: 14°C
Avg: 10°C
Low: 6°C
May
15°
High: 18°C
Avg: 15°C
Low: 11°C
Jun
18°
High: 21°C
Avg: 18°C
Low: 14°C
Jul
17°
High: 20°C
Avg: 17°C
Low: 13°C
Aug
12°
High: 14°C
Avg: 12°C
Low: 9°C
Sep
5°
High: 7°C
Avg: 5°C
Low: 3°C
Oct
0°
High: 2°C
Avg: 0°C
Low: -1°C
Nov
-3°
High: -1°C
Avg: -3°C
Low: -5°C
Dec
0°C
−2°C
Avg High Avg Temp Avg Low Light Frost (0°C) Hard Frost (−2°C)

Precipitation

0 mm 20 mm 40 mm 60 mm 80 mm
36 mm
35.6 mm
Jan
28 mm
27.9 mm
Feb
30 mm
30.5 mm
Mar
33 mm
33.0 mm
Apr
56 mm
55.9 mm
May
79 mm
78.7 mm
Jun
74 mm
73.7 mm
Jul
76 mm
76.2 mm
Aug
64 mm
63.5 mm
Sep
69 mm
68.6 mm
Oct
64 mm
63.5 mm
Nov
58 mm
58.4 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec6.5h9h11.5h14h17h18.5h17.5h15.5h12.5h9.5h7h5.5h
Jan: 8:49 AM – 3:11 PM · 6h 21m
Feb: 7:36 AM – 4:24 PM · 8h 47m
Mar: 6:20 AM – 5:40 PM · 11h 21m
Apr: 4:53 AM – 7:07 PM · 14h 13m
May: 3:36 AM – 8:24 PM · 16h 48m
Jun: 2:47 AM – 9:13 PM · 18h 26m
Jul: 3:08 AM – 8:52 PM · 17h 44m
Aug: 4:20 AM – 7:40 PM · 15h 21m
Sep: 5:45 AM – 6:15 PM · 12h 31m
Oct: 7:08 AM – 4:52 PM · 9h 44m
Nov: 8:28 AM – 3:32 PM · 7h 05m
Dec: 9:13 AM – 2:47 PM · 5h 34m
Daylight Longest: 18h 29m · Shortest: 5h 31m

Nearby Stations

BELOGORKA, Russia May 6 - October 13 LJUBAN, RussiaMay 6 - October 13 NIKOLAEVSKOE, Russia April 30 - October 16 STARAJA RUSSA, Russia April 29 - October 17 STARAJA_RUSSA, Russia April 30 - October 17

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