Frost Dates for KAJAANI PETAISENNISKA, Finland

Elevation: 165 m

Frost Dates

Last Spring Frost (50%) A 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide. May 13
First Fall Frost (50%) A 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. October 10

30% Probability

Only 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 18
First Fall Frost October 4

Hard Freeze (−2°C)

Last Spring Hard Freeze May 4
First Fall Hard Freeze October 19
64.22°N, 27.75°E © OpenStreetMap

Growing Season

150 Days May 13 to October 10

USDA Hardiness Zone

Hardiness 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 5b

Avg. annual minimum: −26 to −23°C

Learn more

Köppen Climate

The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
Dfc Subarctic

Short, cool summers and long, very cold winters. Growing seasons of 3–4 months require fast-maturing varieties. Root vegetables, potatoes, and cold-hardy greens are the most reliable.

Köppen climate map

Temperature

Avg High Avg Temp Avg Low Light Frost (0°C) Hard Frost (−2°C)
Temperature table
Average monthly temperatures (°C)
Month Avg High Avg Temp Avg Low
January-7°-9°-11°
February-7°-9°-11°
March-2°-5°-7°
April4°0°-3°
May11°7°3°
June17°13°9°
July19°16°13°
August17°14°11°
September12°9°7°
October4°3°1°
November-1°-2°-4°
December-4°-6°-8°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January28
February20
March20
April18
May58
June76
July94
August79
September74
October69
November58
December53

Sunrise / Sunset

Daylight Longest: 20h 31m · Shortest: 3h 29m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January9:35 AM2:25 PM4h 50m
February7:57 AM4:03 PM8h 06m
March6:23 AM5:37 PM11h 13m
April4:40 AM7:20 PM14h 41m
May3:01 AM8:59 PM17h 58m
June1:47 AM10:13 PM20h 25m
July2:21 AM9:39 PM19h 18m
August3:58 AM8:02 PM16h 04m
September5:42 AM6:18 PM12h 37m
October7:22 AM4:38 PM9h 16m
November9:04 AM2:56 PM5h 52m
December10:13 AM1:47 PM3h 34m

Nearby Stations

KAJAANI LENTOASEMA-1, Finland May 12 - October 11 SOTKAMO KUOLANIEMI, Finland May 13 - October 9 VIEREMA KAARAKKALA, Finland May 14 - October 4 PUOLANKA PALJAKKA, Finland May 20 - September 26 VAALA PELSO, Finland May 12 - October 6 VALTIMO KK, Finland May 11 - October 7

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