Frost Dates for RAUMA KYLMAPIHLAJA, 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 19
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 2

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 25
First Fall Frost October 26

Hard Freeze (−2°C)

Last Spring Hard Freeze April 5
First Fall Hard Freeze November 16
61.14°N, 21.31°E © OpenStreetMap

Growing Season

197 Days April 19 to November 2

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-1°-3°-5°
March1°-1°-3°
April6°3°1°
May10°8°6°
June15°13°10°
July19°17°15°
August18°17°15°
September14°12°11°
October8°7°6°
November4°3°2°
December2°0°-1°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January51
February28
March18
April23
May28
June56
July76
August76
September71
October79
November74
December66

Sunrise / Sunset

Daylight Longest: 18h 55m · Shortest: 5h 05m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January8:60 AM3:00 PM6h 00m
February7:42 AM4:18 PM8h 37m
March6:21 AM5:39 PM11h 19m
April4:50 AM7:10 PM14h 20m
May3:27 AM8:33 PM17h 05m
June2:34 AM9:26 PM18h 52m
July2:57 AM9:03 PM18h 05m
August4:14 AM7:46 PM15h 31m
September5:44 AM6:16 PM12h 32m
October7:11 AM4:49 PM9h 37m
November8:36 AM3:24 PM6h 48m
December9:26 AM2:34 PM5h 08m

Nearby Stations

PORI RAUTATIEASEMA, Finland April 28 - October 22 KUSTAVI ISOKARI, Finland April 10 - November 16 PORI TAHKOLUOTO, Finland April 27 - October 23 KOKEMAKI TULKKILA, Finland April 29 - October 17 TURKU TURUN LENTOASEMA, Finland May 5 - October 13 TURKU ARTUKAINEN, Finland May 1 - October 17

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