Frost Dates for SULA, 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 26
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 21

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 3
First Fall Frost November 12

Hard Freeze (−2°C)

Last Spring Hard Freeze February 24
First Fall Hard Freeze December 10
63.85°N, 8.47°E © OpenStreetMap

Growing Season

240 Days March 26 to November 21

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°2°
February4°3°1°
March5°3°2°
April6°5°4°
May9°8°6°
June11°10°9°
July14°13°12°
August15°14°12°
September13°12°11°
October9°8°7°
November7°5°4°
December5°4°3°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January130
February107
March91
April76
May61
June69
July66
August89
September132
October142
November130
December155

Sunrise / Sunset

Daylight Longest: 20h 16m · Shortest: 3h 44m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January9:30 AM2:30 PM5h 00m
February7:55 AM4:05 PM8h 10m
March6:23 AM5:37 PM11h 14m
April4:41 AM7:19 PM14h 38m
May3:05 AM8:55 PM17h 51m
June1:55 AM10:05 PM20h 11m
July2:26 AM9:34 PM19h 07m
August4:00 AM7:60 PM15h 60m
September5:42 AM6:18 PM12h 36m
October7:21 AM4:39 PM9h 19m
November8:60 AM3:00 PM6h 00m
December10:06 AM1:54 PM3h 48m

Nearby Stations

SULA FYR, Norway March 14 - December 5 SMOLA - MOLDSTAD, Norway April 2 - November 19 ORLAND, Norway April 13 - November 6 SONGLI, NorwayMay 18 - October 6 KRISTIANSUND LUFTHAVN, Norway April 26 - October 28 SUNNDALSORA III, Norway May 12 - October 10

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