Frost Dates for Blackburn, United Kingdom

Based on data from Penicuik weather station, 16 miles away

Frost Dates

Last Spring Frost (50%) iA 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide. May 14
First Fall Frost (50%) iA 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. October 11
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30% Probability iOnly 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 21
First Fall Frost October 2

Hard Freeze (−2°C)

Last Spring Hard Freeze April 16
First Fall Hard Freeze November 9
55.87°N, -3.63°W © OpenStreetMap

Growing Season

150 Days May 14 to October 11

USDA Hardiness Zone iHardiness 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: 15 to 20°F (−9 to −7°C)

Learn more

Köppen Climate iThe 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

0° 5° 10° 15° 20°
3°
High: 6°C
Avg: 3°C
Low: 0°C
Jan
3°
High: 7°C
Avg: 3°C
Low: 0°C
Feb
5°
High: 9°C
Avg: 5°C
Low: 1°C
Mar
7°
High: 12°C
Avg: 7°C
Low: 3°C
Apr
10°
High: 15°C
Avg: 10°C
Low: 5°C
May
13°
High: 17°C
Avg: 13°C
Low: 8°C
Jun
14°
High: 19°C
Avg: 14°C
Low: 10°C
Jul
14°
High: 18°C
Avg: 14°C
Low: 10°C
Aug
12°
High: 16°C
Avg: 12°C
Low: 8°C
Sep
8°
High: 12°C
Avg: 8°C
Low: 5°C
Oct
5°
High: 8°C
Avg: 5°C
Low: 2°C
Nov
3°
High: 6°C
Avg: 3°C
Low: 0°C
Dec
Avg High Avg Temp Avg Low

Precipitation

0 mm 50 mm 100 mm
94 mm
94.0 mm
Jan
79 mm
78.7 mm
Feb
74 mm
73.7 mm
Mar
61 mm
61.0 mm
Apr
69 mm
68.6 mm
May
79 mm
78.7 mm
Jun
89 mm
88.9 mm
Jul
91 mm
91.4 mm
Aug
76 mm
76.2 mm
Sep
104 mm
104.1 mm
Oct
94 mm
94.0 mm
Nov
99 mm
99.1 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec7.5h9.5h11.5h14h16h17.5h16.5h15h12.5h10h8h6.5h
Jan: 8:20 AM – 3:40 PM · 7h 20m
Feb: 7:21 AM – 4:39 PM · 9h 17m
Mar: 6:17 AM – 5:43 PM · 11h 27m
Apr: 5:03 AM – 6:57 PM · 13h 53m
May: 3:60 AM – 8:00 PM · 16h 01m
Jun: 3:22 AM – 8:38 PM · 17h 15m
Jul: 3:38 AM – 8:22 PM · 16h 44m
Aug: 4:35 AM – 7:25 PM · 14h 49m
Sep: 5:47 AM – 6:13 PM · 12h 26m
Oct: 6:58 AM – 5:02 PM · 10h 05m
Nov: 8:03 AM – 3:57 PM · 7h 54m
Dec: 8:38 AM – 3:22 PM · 6h 44m
Daylight Longest: 17h 18m · Shortest: 6h 42m

Nearby Stations

Edinburgh: Royal Botanic Garde, United Kingdom April 17 - October 30 Bowhill, United Kingdom May 10 - October 17 Dunbar, United Kingdom April 8 - November 21 Leadhills, United Kingdom May 23 - October 8 Eskdalemuir, United Kingdom May 20 - October 1 Leuchars, United Kingdom May 2 - October 29

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