Frost Dates for RYGGE, Norway

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 13
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. December 3

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 March 23
First Fall Frost November 24

Hard Freeze (−2°C)

Last Spring Hard Freeze February 22
First Fall Hard Freeze December 14
58.38°N, 10.79°E © OpenStreetMap

Growing Season

265 Days March 13 to December 3

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 9a

Avg. annual minimum: −7 to −4°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
Temperature table
Average monthly temperatures (°C)
Month Avg High Avg Temp Avg Low
January4°3°1°
February3°2°1°
March4°3°2°
April7°6°5°
May12°11°10°
June15°14°13°
July18°17°16°
August18°17°16°
September15°14°13°
October11°10°9°
November8°7°6°
December5°4°3°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January79
February56
March48
April41
May58
June74
July66
August84
September86
October112
November97
December84

Sunrise / Sunset

Daylight Longest: 17h 58m · Shortest: 6h 02m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January8:37 AM3:23 PM6h 46m
February7:30 AM4:30 PM8h 60m
March6:18 AM5:42 PM11h 23m
April4:57 AM7:03 PM14h 05m
May3:46 AM8:14 PM16h 28m
June3:02 AM8:58 PM17h 55m
July3:21 AM8:39 PM17h 19m
August4:26 AM7:34 PM15h 08m
September5:46 AM6:14 PM12h 29m
October7:04 AM4:56 PM9h 52m
November8:17 AM3:43 PM7h 25m
December8:58 AM3:02 PM6h 04m

Nearby Stations

MASESKAR_A, Sweden March 29 - November 16 HUD_V, Sweden April 14 - November 5 NORDKOSTER A, Sweden April 9 - November 8 RORASTRAND, Sweden March 29 - November 14 FAERDER FYR, Norway March 20 - November 30 TORP, NorwayApril 17 - November 5

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