Frost Dates for KOUVOLA UTTI LENTOPORTINTIE, Finland

Elevation: 103 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 4
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 14

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 8
First Fall Frost October 9

Hard Freeze (−2°C)

Last Spring Hard Freeze April 25
First Fall Hard Freeze October 25
60.89°N, 26.94°E © OpenStreetMap

Growing Season

163 Days May 4 to October 14

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.
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
January-4°-6°-8°
February-4°-6°-9°
March0°-3°-6°
April7°3°-1°
May15°10°5°
June19°15°10°
July21°18°13°
August20°16°12°
September14°11°8°
October7°5°3°
November2°0°-2°
December-2°-3°-5°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January51
February36
March33
April30
May56
June81
July84
August79
September58
October74
November61
December61

Sunrise / Sunset

Daylight Longest: 18h 49m · Shortest: 5h 11m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January8:57 AM3:03 PM6h 05m
February7:40 AM4:20 PM8h 39m
March6:20 AM5:40 PM11h 19m
April4:51 AM7:09 PM14h 19m
May3:29 AM8:31 PM17h 01m
June2:37 AM9:23 PM18h 46m
July2:60 AM9:00 PM18h 01m
August4:15 AM7:45 PM15h 29m
September5:44 AM6:16 PM12h 32m
October7:11 AM4:49 PM9h 39m
November8:34 AM3:26 PM6h 51m
December9:23 AM2:37 PM5h 14m

Nearby Stations

KOUVOLA ANJALA, Finland May 2 - October 15 KOTKA KIRKONMAA, Finland April 27 - October 23 VIROLAHTI KOIVUNIEMI, Finland May 4 - October 17 KOTKA RANKKI, Finland April 28 - October 19 HEINOLA ASEMANTAUS, Finland April 30 - October 21 KOTKA HAAPASAARI, Finland April 28 - October 21

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