Frost Dates for SORTAVALA, Russia

Elevation: 8 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 30
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 21

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 4
First Fall Frost October 16

Hard Freeze (−2°C)

Last Spring Hard Freeze April 17
First Fall Hard Freeze November 8
61.72°N, 30.72°E © OpenStreetMap

Growing Season

174 Days April 30 to October 21

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°-8°
March-1°-3°-5°
April5°2°-1°
May12°9°5°
June18°14°11°
July21°18°15°
August19°16°14°
September14°11°9°
October7°5°4°
November2°0°-1°
December-1°-3°-5°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January74
February46
March38
April28
May48
June64
July76
August76
September66
October76
November74
December74

Sunrise / Sunset

Daylight Longest: 19h 10m · Shortest: 4h 50m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January9:05 AM2:55 PM5h 49m
February7:44 AM4:16 PM8h 32m
March6:21 AM5:39 PM11h 18m
April4:48 AM7:12 PM14h 24m
May3:23 AM8:37 PM17h 14m
June2:27 AM9:33 PM19h 06m
July2:52 AM9:08 PM18h 17m
August4:12 AM7:48 PM15h 37m
September5:43 AM6:17 PM12h 33m
October7:13 AM4:47 PM9h 33m
November8:41 AM3:19 PM6h 38m
December9:33 AM2:27 PM4h 54m

Nearby Stations

TOHMAJARVI KEMIE, Finland May 6 - October 12 PARIKKALA KOITSANLAHTI, Finland May 4 - October 15 PUNKAHARJU LAUKANSAARI, Finland May 5 - October 22 LIPERI TUISKAVANLUOTO, Finland May 8 - October 21 JOENSUU LINNUNLAHTI, Finland May 9 - October 21 ILOMANTSI MEKRIJARVI, Finland May 10 - October 8

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