Frost Dates for OSTERGARNSHOLM_A, Sweden

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 9
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. November 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 April 17
First Fall Frost November 22

Hard Freeze (−2°C)

Last Spring Hard Freeze March 9
First Fall Hard Freeze December 9
57.44°N, 18.99°E © OpenStreetMap

Growing Season

234 Days April 9 to November 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 8b

Avg. annual minimum: −9 to −7°C

Learn more

Köppen Climate

The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
Cfb Oceanic (Marine West Coast)

Mild year-round with cool summers and wet winters. Excellent for cool-season crops like brassicas, peas, and root vegetables. Extended harvest seasons but summer heat-loving crops may struggle.

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
January2°1°0°
February2°0°-1°
March4°2°0°
April8°5°3°
May13°10°7°
June17°15°12°
July20°18°15°
August20°18°16°
September16°14°12°
October11°9°8°
November6°5°4°
December4°3°1°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January38
February36
March18
April15
May33
June48
July66
August61
September53
October66
November64
December66

Sunrise / Sunset

Daylight Longest: 17h 42m · Shortest: 6h 18m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January8:30 AM3:30 PM6h 60m
February7:27 AM4:33 PM9h 06m
March6:18 AM5:42 PM11h 25m
April4:60 AM7:00 PM14h 00m
May3:51 AM8:09 PM16h 18m
June3:10 AM8:50 PM17h 40m
July3:27 AM8:33 PM17h 05m
August4:30 AM7:30 PM15h 01m
September5:46 AM6:14 PM12h 28m
October7:01 AM4:59 PM9h 57m
November8:12 AM3:48 PM7h 36m
December8:50 AM3:10 PM6h 20m

Nearby Stations

ROMA_V, Sweden April 17 - November 14 HEMSE, Sweden April 15 - November 19 FAROSUND_AR_A, Sweden April 14 - November 29 HOBURG, Sweden April 4 - December 7 GOTSKA SANDON A, Sweden March 27 - December 6 OLANDS NORRA UDDE, Sweden April 2 - November 25

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