Frost Dates for JOMALA JOMALABY, Finland

Elevation: 7 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. April 21
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 12

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 28
First Fall Frost November 3

Hard Freeze (−2°C)

Last Spring Hard Freeze April 3
First Fall Hard Freeze November 30
60.18°N, 19.99°E © OpenStreetMap

Growing Season

205 Days April 21 to November 12

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 8a

Avg. annual minimum: −12 to −9°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
January1°-1°-2°
February0°-2°-4°
March2°0°-2°
April6°4°1°
May11°9°6°
June16°13°10°
July19°17°14°
August19°17°15°
September15°13°11°
October9°8°6°
November5°4°3°
December3°1°0°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January33
February8
March8
April23
May30
June51
July61
August71
September51
October66
November64
December53

Sunrise / Sunset

Daylight Longest: 18h 33m · Shortest: 5h 27m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January8:51 AM3:09 PM6h 18m
February7:37 AM4:23 PM8h 45m
March6:20 AM5:40 PM11h 21m
April4:53 AM7:07 PM14h 15m
May3:34 AM8:26 PM16h 51m
June2:45 AM9:15 PM18h 30m
July3:06 AM8:54 PM17h 48m
August4:19 AM7:41 PM15h 23m
September5:45 AM6:15 PM12h 31m
October7:09 AM4:51 PM9h 43m
November8:29 AM3:31 PM7h 02m
December9:15 AM2:45 PM5h 29m

Nearby Stations

JOMALA MAARIANHAMINAN LENTOASE, Finland April 20 - November 15 LEMLAND NYHAMN, Finland April 16 - November 23 KUMLINGE KIRKONKYLA, Finland April 11 - November 24 HAMMARLAND MARKET, Finland April 5 - November 24 SODERARM, Sweden April 5 - November 27 KOKAR BOGSKAR, Finland April 4 - December 3

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