Frost Dates for INARI IVALO LENTOASEMA, Finland

Elevation: 144 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 23
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. September 29

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 27
First Fall Frost September 23

Hard Freeze (−2°C)

Last Spring Hard Freeze May 14
First Fall Hard Freeze October 12
68.61°N, 27.42°E © OpenStreetMap

Growing Season

129 Days May 23 to September 29

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-8°-10°-13°
February-8°-10°-13°
March-4°-6°-9°
April2°-1°-5°
May8°4°0°
June13°10°6°
July17°14°10°
August15°12°9°
September10°7°5°
October2°1°-1°
November-3°-5°-7°
December-6°-8°-10°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January10
February0
March8
April25
May61
June79
July81
August81
September69
October61
November18
December8

Sunrise / Sunset

Daylight Longest: 24h 00m · Shortest: 0h 00m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January11:34 AM12:26 PM0h 52m
February8:28 AM3:32 PM7h 03m
March6:29 AM5:31 PM11h 02m
April4:20 AM7:40 PM15h 20m
May1:59 AM10:01 PM20h 02m
June––24h (midnight sun)
July––24h (midnight sun)
August3:25 AM8:35 PM17h 10m
September5:37 AM6:23 PM12h 45m
October7:42 AM4:18 PM8h 35m
November10:10 AM1:50 PM3h 41m
December––0h (polar night)

Nearby Stations

INARI SAARISELKA KAUNISPAA, Finland June 4 - September 13 INARI SAARISELKA MATKAILUKESKU, Finland May 29 - September 15 INARI RAJAJOOSEPPI, Finland May 27 - September 19 INARI NELLIM, Finland May 22 - October 5 INARI SEITALAASSA, Finland May 27 - October 12 INARI VAYLA, Finland May 25 - October 4

Plan Your Garden with Planter

Now that you know your frost dates, use Planter to plan your veggie garden! Planter is an easy drag-and-drop garden planner with personalized planting schedules.

Try Planter For Free

Available everywhere: iOS, Android, web, and more!

Planter app garden planner preview