Frost Dates for Kirkwall, United Kingdom

Elevation: 26 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. April 11
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 27

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 22
First Fall Frost November 19

Hard Freeze (−2°C)

Last Spring Hard Freeze March 1
First Fall Hard Freeze December 17
58.95°N, 2.90°W © OpenStreetMap

Growing Season

230 Days April 11 to November 27

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 9b

Avg. annual minimum: −4 to −1°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
January7°5°2°
February7°5°2°
March8°5°3°
April10°7°4°
May13°9°6°
June15°12°9°
July16°13°11°
August16°13°11°
September15°12°9°
October12°10°7°
November9°7°5°
December7°5°3°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January117
February84
March79
April61
May58
June51
July64
August81
September94
October122
November119
December114

Sunrise / Sunset

Daylight Greenwich Mean Time (GMT) Longest: 18h 09m · Shortest: 5h 51m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Greenwich Mean Time (GMT))
Month Sunrise Sunset Daylight
January9:02 AM3:40 PM6h 38m
February7:59 AM4:54 PM8h 55m
March6:40 AM6:02 PM11h 22m
April6:08 AM8:16 PM14h 08m
May4:50 AM9:26 PM16h 35m
June4:09 AM10:15 PM18h 06m
July4:34 AM10:01 PM17h 27m
August5:40 AM8:52 PM15h 12m
September6:51 AM7:21 PM12h 29m
October8:02 AM5:51 PM9h 49m
November8:18 AM3:36 PM7h 18m
December9:11 AM3:04 PM5h 54m

Nearby Stations

Wick, United Kingdom May 10 - November 2 Kinloss, United Kingdom April 26 - October 25 Dyce, United Kingdom May 3 - October 23 Craibstone, United Kingdom April 29 - November 5 Balmoral, United Kingdom May 30 - September 17

Plan Your Garden with Planter

Now that you know your frost dates, use Planter to plan your veggie garden! Planter is an easy drag-and-drop garden planner with personalized planting schedules.

Try Planter For Free

Available everywhere: iOS, Android, web, and more!

Planter app garden planner preview