Frost Dates for RORASTRAND, 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. March 29
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 14

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 6
First Fall Frost November 5

Hard Freeze (−2°C)

Last Spring Hard Freeze March 10
First Fall Hard Freeze November 27
58.06°N, 11.65°E © OpenStreetMap

Growing Season

230 Days March 29 to November 14

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 8a

Avg. annual minimum: −12 to −9°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
January3°1°-1°
February2°1°-1°
March5°3°1°
April9°7°4°
May14°11°8°
June17°15°12°
July19°17°15°
August19°17°15°
September16°14°12°
October11°9°8°
November7°5°4°
December4°3°1°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January84
February64
March56
April53
May66
June84
July74
August97
September89
October107
November81
December91

Sunrise / Sunset

Daylight Longest: 17h 53m · Shortest: 6h 07m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January8:35 AM3:25 PM6h 51m
February7:29 AM4:31 PM9h 02m
March6:18 AM5:42 PM11h 24m
April4:58 AM7:02 PM14h 03m
May3:48 AM8:12 PM16h 25m
June3:05 AM8:55 PM17h 50m
July3:23 AM8:37 PM17h 14m
August4:27 AM7:33 PM15h 05m
September5:46 AM6:14 PM12h 28m
October7:03 AM4:57 PM9h 54m
November8:15 AM3:45 PM7h 29m
December8:55 AM3:05 PM6h 10m

Nearby Stations

MASESKAR_A, Sweden March 29 - November 16 ASBRACKA-TORPABRON_V, Sweden April 16 - October 30 GOTEBORG A, Sweden April 16 - November 2 VINGA, Sweden March 18 - December 2 VANERSBORG, Sweden April 15 - November 2 LANDVETTER_FLYGPLATS, Sweden April 17 - November 1

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