Frost Dates for KOKKOLA HOLLIHAKA, Finland

Elevation: 7 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. May 6
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 12
First Fall Frost October 13

Hard Freeze (−2°C)

Last Spring Hard Freeze April 21
First Fall Hard Freeze October 27
63.84°N, 23.13°W © OpenStreetMap

Growing Season

165 Days May 6 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°
-5°
High: -3°C
Avg: -5°C
Low: -7°C
Jan
-6°
High: -4°C
Avg: -6°C
Low: -9°C
Feb
-3°
High: 0°C
Avg: -3°C
Low: -6°C
Mar
2°
High: 5°C
Avg: 2°C
Low: -1°C
Apr
8°
High: 11°C
Avg: 8°C
Low: 4°C
May
13°
High: 16°C
Avg: 13°C
Low: 9°C
Jun
17°
High: 19°C
Avg: 17°C
Low: 13°C
Jul
15°
High: 18°C
Avg: 15°C
Low: 13°C
Aug
11°
High: 13°C
Avg: 11°C
Low: 8°C
Sep
5°
High: 6°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 30 mm 60 mm 90 mm
20 mm
20.3 mm
Jan
15 mm
15.2 mm
Feb
13 mm
12.7 mm
Mar
23 mm
22.9 mm
Apr
53 mm
53.3 mm
May
69 mm
68.6 mm
Jun
81 mm
81.3 mm
Jul
76 mm
76.2 mm
Aug
71 mm
71.1 mm
Sep
58 mm
58.4 mm
Oct
56 mm
55.9 mm
Nov
48 mm
48.3 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec5h8h11h14.5h18h20h19h16h12.5h9.5h6h4h
Jan: 9:30 AM – 2:30 PM · 5h 01m
Feb: 7:55 AM – 4:05 PM · 8h 10m
Mar: 6:23 AM – 5:37 PM · 11h 14m
Apr: 4:41 AM – 7:19 PM · 14h 38m
May: 3:05 AM – 8:55 PM · 17h 51m
Jun: 1:55 AM – 10:05 PM · 20h 11m
Jul: 2:26 AM – 9:34 PM · 19h 07m
Aug: 4:00 AM – 7:60 PM · 15h 60m
Sep: 5:42 AM – 6:18 PM · 12h 36m
Oct: 7:21 AM – 4:39 PM · 9h 19m
Nov: 8:60 AM – 3:00 PM · 6h 00m
Dec: 10:06 AM – 1:54 PM · 3h 48m
Daylight Longest: 20h 16m · Shortest: 3h 44m

Nearby Stations

KRUUNUPYY LENTOASEMA, Finland May 7 - October 16 PIETARSAARI KALLAN, Finland May 3 - October 25 TOHOLAMPI LAITALA, Finland May 12 - October 8 KALAJOKI ULKOKALLA, Finland May 7 - October 19 HALSUA KANALA PUROLA, Finland May 12 - October 5 KAUHAVA LENTOKENTTA, Finland May 6 - October 11

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