Frost Dates for VIITASAARI HAAPANIEMI, Finland

Elevation: 128 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 8
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 15

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 13
First Fall Frost October 9

Hard Freeze (−2°C)

Last Spring Hard Freeze April 28
First Fall Hard Freeze October 27
63.08°N, 25.86°E © OpenStreetMap

Growing Season

160 Days May 8 to October 15

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 6a

Avg. annual minimum: −23 to −21°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-5°-7°-9°
February-5°-8°-10°
March-1°-4°-6°
April5°1°-2°
May13°9°4°
June18°14°10°
July20°17°13°
August18°15°12°
September13°10°8°
October5°4°2°
November0°-1°-2°
December-3°-4°-6°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January25
February20
March18
April23
May53
June74
July94
August76
September69
October74
November58
December53

Sunrise / Sunset

Daylight Longest: 19h 49m · Shortest: 4h 11m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January9:20 AM2:40 PM5h 20m
February7:51 AM4:09 PM8h 18m
March6:22 AM5:38 PM11h 15m
April4:44 AM7:16 PM14h 32m
May3:12 AM8:48 PM17h 37m
June2:08 AM9:52 PM19h 45m
July2:36 AM9:24 PM18h 48m
August4:04 AM7:56 PM15h 51m
September5:43 AM6:17 PM12h 35m
October7:18 AM4:42 PM9h 24m
November8:53 AM3:07 PM6h 15m
December9:53 AM2:07 PM4h 15m

Nearby Stations

VESANTO SONKARI, Finland May 7 - October 16 PYHAJARVI OJAKYLA, Finland May 10 - October 8 JYVASKYLA LENTOASEMA, Finland May 4 - October 13 ALAJARVI MOKSY, Finland May 11 - October 7 HALSUA KANALA PUROLA, Finland May 12 - October 5 MULTIA KARHILA, Finland May 12 - October 8

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