Frost Dates for KUHMO KALLIOJOKI, Finland

Elevation: 199 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 15
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 7

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 19
First Fall Frost October 1

Hard Freeze (−2°C)

Last Spring Hard Freeze May 5
First Fall Hard Freeze October 20
64.30°N, 30.17°E © OpenStreetMap

Growing Season

145 Days May 15 to October 7

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 5a

Avg. annual minimum: −29 to −26°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°-10°-12°
February-7°-9°-12°
March-2°-5°-8°
April4°0°-4°
May11°7°2°
June17°13°9°
July19°16°12°
August17°14°11°
September11°9°6°
October4°2°0°
November-1°-3°-5°
December-5°-7°-9°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January28
February13
March20
April28
May69
June74
July84
August81
September64
October71
November56
December53

Sunrise / Sunset

Daylight Longest: 20h 35m · Shortest: 3h 26m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January9:36 AM2:24 PM4h 48m
February7:58 AM4:02 PM8h 05m
March6:23 AM5:37 PM11h 13m
April4:39 AM7:21 PM14h 41m
May3:00 AM8:60 PM17h 60m
June1:46 AM10:14 PM20h 28m
July2:20 AM9:40 PM19h 20m
August3:57 AM8:03 PM16h 05m
September5:42 AM6:18 PM12h 37m
October7:22 AM4:38 PM9h 15m
November9:05 AM2:55 PM5h 51m
December10:15 AM1:45 PM3h 31m

Nearby Stations

REBOLY, RussiaMay 13 - October 10 LIEKSA LAMPELA, Finland May 10 - October 11 UKHTA KALEVALA, Russia May 18 - October 9 KALEVALA, Russia May 18 - October 9 JUUKA NIEMELA, Finland May 8 - October 14 ILOMANTSI POTSONVAARA, Finland May 15 - October 6

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