Frost Dates for BORTNAN_A, Sweden

Elevation: 479 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 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. September 29

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 25
First Fall Frost September 24

Hard Freeze (−2°C)

Last Spring Hard Freeze May 9
First Fall Hard Freeze October 11
62.76°N, 13.85°E © OpenStreetMap

Growing Season

131 Days May 21 to September 29

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 5b

Avg. annual minimum: −26 to −23°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-4°-7°-10°
February-4°-7°-10°
March0°-3°-7°
April5°1°-3°
May11°7°2°
June15°11°7°
July18°14°10°
August16°13°9°
September12°8°5°
October5°2°0°
November-1°-3°-5°
December-4°-6°-9°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January36
February10
March15
April41
May69
June89
July99
August89
September66
October69
November51
December33

Sunrise / Sunset

Daylight Longest: 19h 39m · Shortest: 4h 21m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January9:16 AM2:44 PM5h 27m
February7:49 AM4:11 PM8h 22m
March6:22 AM5:38 PM11h 16m
April4:45 AM7:15 PM14h 30m
May3:15 AM8:45 PM17h 31m
June2:13 AM9:47 PM19h 35m
July2:40 AM9:20 PM18h 40m
August4:06 AM7:54 PM15h 48m
September5:43 AM6:17 PM12h 34m
October7:17 AM4:43 PM9h 27m
November8:50 AM3:10 PM6h 21m
December9:48 AM2:12 PM4h 25m

Nearby Stations

KLOVSJOHOJDEN_A, Sweden June 1 - September 20 HOGLEKARDALEN, Sweden May 26 - September 30 HEDEVIKEN, Sweden May 20 - September 25 NORDERON, Sweden May 9 - October 14 FLATRUET_V, Sweden June 14 - September 6 FROSON, SwedenMay 17 - October 12

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