Frost Dates for KOTKA KIRKONMAA, Finland

Elevation: 21 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 27
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 23
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 1
First Fall Frost October 15

Hard Freeze (−2°C)

Last Spring Hard Freeze April 16
First Fall Hard Freeze November 7
60.38°N, 27.05°W © OpenStreetMap

Growing Season

179 Days April 27 to October 23

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 6b

Avg. annual minimum: −21 to −18°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°
-5°
High: -3°C
Avg: -5°C
Low: -7°C
Jan
-5°
High: -3°C
Avg: -5°C
Low: -8°C
Feb
-2°
High: 0°C
Avg: -2°C
Low: -5°C
Mar
3°
High: 6°C
Avg: 3°C
Low: 0°C
Apr
10°
High: 13°C
Avg: 10°C
Low: 6°C
May
14°
High: 17°C
Avg: 14°C
Low: 11°C
Jun
18°
High: 21°C
Avg: 18°C
Low: 15°C
Jul
17°
High: 19°C
Avg: 17°C
Low: 14°C
Aug
12°
High: 14°C
Avg: 12°C
Low: 10°C
Sep
6°
High: 8°C
Avg: 6°C
Low: 4°C
Oct
2°
High: 3°C
Avg: 2°C
Low: 0°C
Nov
-2°
High: 0°C
Avg: -2°C
Low: -4°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
53 mm
53.3 mm
Jan
46 mm
45.7 mm
Feb
36 mm
35.6 mm
Mar
28 mm
27.9 mm
Apr
43 mm
43.2 mm
May
69 mm
68.6 mm
Jun
64 mm
63.5 mm
Jul
69 mm
68.6 mm
Aug
69 mm
68.6 mm
Sep
76 mm
76.2 mm
Oct
71 mm
71.1 mm
Nov
71 mm
71.1 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec6h8.5h11.5h14.5h17h18.5h18h15.5h12.5h9.5h7h5.5h
Jan: 8:53 AM – 3:07 PM · 6h 14m
Feb: 7:38 AM – 4:22 PM · 8h 44m
Mar: 6:20 AM – 5:40 PM · 11h 20m
Apr: 4:52 AM – 7:08 PM · 14h 16m
May: 3:33 AM – 8:27 PM · 16h 54m
Jun: 2:43 AM – 9:17 PM · 18h 34m
Jul: 3:04 AM – 8:56 PM · 17h 51m
Aug: 4:18 AM – 7:42 PM · 15h 25m
Sep: 5:44 AM – 6:16 PM · 12h 31m
Oct: 7:09 AM – 4:51 PM · 9h 42m
Nov: 8:31 AM – 3:29 PM · 6h 59m
Dec: 9:17 AM – 2:43 PM · 5h 25m
Daylight Longest: 18h 38m · Shortest: 5h 22m

Nearby Stations

KOTKA RANKKI, Finland April 28 - October 19 KOTKA HAAPASAARI, Finland April 28 - October 21 LOVIISA ORRENGRUND, Finland April 23 - October 31 KOUVOLA ANJALA, Finland May 2 - October 15 VIROLAHTI KOIVUNIEMI, Finland May 4 - October 17 KOUVOLA UTTI LENTOPORTINTIE, Finland May 4 - October 14

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