Frost Dates for VIROLAHTI KOIVUNIEMI, Finland

Elevation: 1 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 17

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 9
First Fall Frost October 12

Hard Freeze (−2°C)

Last Spring Hard Freeze April 22
First Fall Hard Freeze October 30
60.53°N, 27.68°E © OpenStreetMap

Growing Season

166 Days May 4 to October 17

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-3°-5°-7°
February-4°-6°-8°
March0°-2°-5°
April7°3°-1°
May14°10°5°
June18°15°11°
July22°18°14°
August20°17°13°
September15°12°9°
October8°6°3°
November3°1°-1°
December-1°-2°-4°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January53
February46
March41
April33
May46
June64
July53
August74
September71
October76
November74
December76

Sunrise / Sunset

Daylight Longest: 18h 41m · Shortest: 5h 19m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January8:54 AM3:06 PM6h 12m
February7:39 AM4:21 PM8h 42m
March6:20 AM5:40 PM11h 20m
April4:52 AM7:08 PM14h 16m
May3:32 AM8:28 PM16h 56m
June2:41 AM9:19 PM18h 38m
July3:03 AM8:57 PM17h 54m
August4:17 AM7:43 PM15h 26m
September5:44 AM6:16 PM12h 31m
October7:10 AM4:50 PM9h 41m
November8:32 AM3:28 PM6h 57m
December9:19 AM2:41 PM5h 22m

Nearby Stations

KOTKA KIRKONMAA, Finland April 27 - October 23 KOTKA HAAPASAARI, Finland April 28 - October 21 KOTKA RANKKI, Finland April 28 - October 19 KOUVOLA ANJALA, Finland May 2 - October 15 KOUVOLA UTTI LENTOPORTINTIE, Finland May 4 - October 14 VYBORG, RussiaMay 1 - October 18

Plan Your Garden with Planter

Now that you know your frost dates, use Planter to plan your veggie garden! Planter is an easy drag-and-drop garden planner with personalized planting schedules.

Try Planter For Free

Available everywhere: iOS, Android, web, and more!

Planter app garden planner preview