Frost Dates for Gretna, United Kingdom

Based on data from Eskdalemuir weather station, 23 miles away

Elevation: 17 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. May 20
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. October 1

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 May 28
First Fall Frost September 20

Hard Freeze (−2°C)

Last Spring Hard Freeze April 29
First Fall Hard Freeze October 24
54.99°N, 3.07°W © OpenStreetMap

Growing Season

134 Days May 20 to October 1

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
Temperature table
Average monthly temperatures (°C)
Month Avg High Avg Temp Avg Low
January5°3°0°
February6°3°0°
March8°4°1°
April11°7°3°
May14°10°5°
June16°12°8°
July18°14°10°
August17°14°10°
September15°11°8°
October11°8°5°
November8°5°2°
December5°3°0°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January218
February170
March152
April102
May107
June109
July127
August155
September132
October175
November191
December213

Sunrise / Sunset

Daylight Greenwich Mean Time (GMT) Longest: 17h 11m · Shortest: 6h 50m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Greenwich Mean Time (GMT))
Month Sunrise Sunset Daylight
January8:39 AM4:05 PM7h 26m
February7:47 AM5:08 PM9h 20m
March6:39 AM6:06 PM11h 27m
April6:18 AM8:08 PM13h 51m
May5:11 AM9:07 PM15h 56m
June4:39 AM9:47 PM17h 08m
July4:59 AM9:37 PM16h 38m
August5:54 AM8:40 PM14h 46m
September6:54 AM7:20 PM12h 26m
October7:55 AM6:01 PM10h 07m
November7:58 AM3:57 PM7h 59m
December8:43 AM3:34 PM6h 51m

Nearby Stations

Bowhill, United Kingdom May 10 - October 17 Leadhills, United Kingdom May 23 - October 8 Kielder Castle, United Kingdom May 22 - September 28 Penicuik, United Kingdom May 14 - October 11 Threave, United Kingdom April 30 - October 18 Glenlee, United Kingdom May 12 - October 8

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