Frost Dates for Jersey: Airport, United Kingdom

Elevation: 84 m

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. February 22
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. December 14
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 March 5
First Fall Frost December 8

Hard Freeze (−2°C)

Last Spring Hard Freeze February 7
First Fall Hard Freeze December 13
49.22°N, -2.20°W © OpenStreetMap

Growing Season

296 Days February 22 to December 14

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 9b

Avg. annual minimum: −4 to −1°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° 10° 20°
7°
High: 9°C
Avg: 7°C
Low: 5°C
Jan
7°
High: 9°C
Avg: 7°C
Low: 4°C
Feb
8°
High: 11°C
Avg: 8°C
Low: 5°C
Mar
10°
High: 13°C
Avg: 10°C
Low: 7°C
Apr
13°
High: 16°C
Avg: 13°C
Low: 10°C
May
15°
High: 19°C
Avg: 15°C
Low: 12°C
Jun
17°
High: 21°C
Avg: 17°C
Low: 14°C
Jul
18°
High: 21°C
Avg: 18°C
Low: 15°C
Aug
16°
High: 19°C
Avg: 16°C
Low: 13°C
Sep
13°
High: 16°C
Avg: 13°C
Low: 11°C
Oct
10°
High: 12°C
Avg: 10°C
Low: 8°C
Nov
8°
High: 10°C
Avg: 8°C
Low: 5°C
Dec
Avg High Avg Temp Avg Low

Precipitation

0 mm 50 mm 100 mm
89 mm
88.9 mm
Jan
74 mm
73.7 mm
Feb
71 mm
71.1 mm
Mar
61 mm
61.0 mm
Apr
56 mm
55.9 mm
May
48 mm
48.3 mm
Jun
46 mm
45.7 mm
Jul
64 mm
63.5 mm
Aug
69 mm
68.6 mm
Sep
97 mm
96.5 mm
Oct
104 mm
104.1 mm
Nov
124 mm
124.5 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8.5h10h11.5h13.5h15h16h15.5h14h12.5h10.5h9h8h
Jan: 7:47 AM – 4:13 PM · 8h 25m
Feb: 7:04 AM – 4:56 PM · 9h 53m
Mar: 6:13 AM – 5:47 PM · 11h 34m
Apr: 5:16 AM – 6:44 PM · 13h 29m
May: 4:27 AM – 7:33 PM · 15h 06m
Jun: 4:00 AM – 7:60 PM · 15h 60m
Jul: 4:11 AM – 7:49 PM · 15h 38m
Aug: 4:54 AM – 7:06 PM · 14h 12m
Sep: 5:50 AM – 6:10 PM · 12h 21m
Oct: 6:45 AM – 5:15 PM · 10h 30m
Nov: 7:35 AM – 4:25 PM · 8h 50m
Dec: 8:00 AM – 3:60 PM · 7h 60m
Daylight Longest: 16h 01m · Shortest: 7h 59m

Nearby Stations

Guernsey: Airport, United Kingdom February 13 - November 30 Swanage, United Kingdom March 14 - December 3 Slapton, United Kingdom March 20 - December 1 Hurn, United Kingdom April 26 - October 22

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