Frost Dates for OVERKALIX-SVARTBYN_A, Sweden

Elevation: 73 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 16
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 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 May 20
First Fall Frost September 27

Hard Freeze (−2°C)

Last Spring Hard Freeze May 4
First Fall Hard Freeze October 16
66.26°N, 22.85°E © OpenStreetMap

Growing Season

139 Days May 16 to October 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 5a

Avg. annual minimum: −29 to −26°C

Learn more

Köppen Climate

The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
Dfc Subarctic

Short, cool summers and long, very cold winters. Growing seasons of 3–4 months require fast-maturing varieties. Root vegetables, potatoes, and cold-hardy greens are the most reliable.

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-7°-10°-12°
February-7°-10°-12°
March-2°-5°-8°
April4°0°-3°
May11°7°2°
June17°13°9°
July20°16°12°
August17°14°11°
September12°9°6°
October4°2°0°
November-2°-4°-6°
December-5°-7°-10°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January46
February33
March23
April23
May53
June66
July84
August79
September71
October43
November56
December58

Sunrise / Sunset

Daylight Longest: 22h 44m · Shortest: 1h 17m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January10:09 AM1:51 PM3h 42m
February8:10 AM3:50 PM7h 40m
March6:26 AM5:34 PM11h 09m
April4:31 AM7:29 PM14h 57m
May2:37 AM9:23 PM18h 45m
June12:46 AM11:14 PM22h 28m
July1:45 AM10:15 PM20h 30m
August3:44 AM8:16 PM16h 31m
September5:40 AM6:20 PM12h 40m
October7:30 AM4:30 PM8h 59m
November9:29 AM2:31 PM5h 03m
December11:15 AM12:45 PM1h 30m

Nearby Stations

OVERTORNEA, Sweden May 15 - October 3 YLINENJARVI_A, Sweden May 18 - September 27 MARKUSVINSA, Sweden May 19 - September 28 PAHAROVA, Sweden May 20 - September 26 BODEN, SwedenMay 12 - October 7 SAVAST_V, Sweden May 12 - October 7

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