Frost Dates for HANKO TULLINIEMI, Finland

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. April 17
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. November 8

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 April 23
First Fall Frost October 29

Hard Freeze (−2°C)

Last Spring Hard Freeze April 7
First Fall Hard Freeze November 22
59.81°N, 22.92°E © OpenStreetMap

Growing Season

205 Days April 17 to November 8

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 7a

Avg. annual minimum: −18 to −15°C

Learn more

Köppen Climate

The 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

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
January0°-2°-4°
February-2°-4°-6°
March0°-1°-4°
April5°3°1°
May10°8°6°
June15°13°11°
July19°17°15°
August18°17°15°
September14°13°11°
October9°8°6°
November5°4°3°
December2°1°-1°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January58
February46
March25
April20
May25
June61
July56
August79
September71
October89
November79
December79

Sunrise / Sunset

Daylight Longest: 18h 26m · Shortest: 5h 34m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January8:48 AM3:12 PM6h 24m
February7:36 AM4:24 PM8h 48m
March6:19 AM5:41 PM11h 21m
April4:54 AM7:06 PM14h 12m
May3:37 AM8:23 PM16h 46m
June2:49 AM9:11 PM18h 22m
July3:09 AM8:51 PM17h 41m
August4:20 AM7:40 PM15h 20m
September5:45 AM6:15 PM12h 31m
October7:08 AM4:52 PM9h 45m
November8:27 AM3:33 PM7h 07m
December9:11 AM2:49 PM5h 37m

Nearby Stations

HANKO RUSSARO, Finland April 17 - November 11 HANKO TVARMINNE, Finland April 24 - November 1 RAASEPORI JUSSARO, Finland April 23 - November 3 KEMIONSAARI VANO, Finland April 11 - November 20 KEMIONSAARI KEMIO KK, Finland April 26 - October 21 SALO KARKKA, Finland April 30 - October 15

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