Frost Dates for Magherafelt, United Kingdom

Based on data from Aldergrove weather station, 17 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. April 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. November 8
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 April 22
First Fall Frost November 1

Hard Freeze (−2°C)

Last Spring Hard Freeze March 5
First Fall Hard Freeze December 5
54.75°N, -6.61°W © OpenStreetMap

Growing Season

208 Days April 14 to November 8

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 9a

Avg. annual minimum: 20 to 25°F (−7 to −4°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°
5°
High: 7°C
Avg: 5°C
Low: 2°C
Jan
5°
High: 8°C
Avg: 5°C
Low: 2°C
Feb
6°
High: 10°C
Avg: 6°C
Low: 3°C
Mar
9°
High: 13°C
Avg: 9°C
Low: 5°C
Apr
11°
High: 16°C
Avg: 11°C
Low: 7°C
May
14°
High: 18°C
Avg: 14°C
Low: 10°C
Jun
15°
High: 19°C
Avg: 15°C
Low: 12°C
Jul
15°
High: 19°C
Avg: 15°C
Low: 12°C
Aug
13°
High: 17°C
Avg: 13°C
Low: 10°C
Sep
10°
High: 13°C
Avg: 10°C
Low: 7°C
Oct
7°
High: 10°C
Avg: 7°C
Low: 5°C
Nov
5°
High: 8°C
Avg: 5°C
Low: 3°C
Dec
Avg High Avg Temp Avg Low

Precipitation

0 mm 30 mm 60 mm 90 mm
81 mm
81.3 mm
Jan
61 mm
61.0 mm
Feb
66 mm
66.0 mm
Mar
41 mm
40.6 mm
Apr
71 mm
71.1 mm
May
69 mm
68.6 mm
Jun
89 mm
88.9 mm
Jul
94 mm
94.0 mm
Aug
66 mm
66.0 mm
Sep
94 mm
94.0 mm
Oct
94 mm
94.0 mm
Nov
81 mm
81.3 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec7.5h9.5h11.5h14h16h17h16.5h14.5h12.5h10h8h7h
Jan: 8:13 AM – 3:47 PM · 7h 34m
Feb: 7:18 AM – 4:42 PM · 9h 24m
Mar: 6:16 AM – 5:44 PM · 11h 28m
Apr: 5:06 AM – 6:54 PM · 13h 48m
May: 4:05 AM – 7:55 PM · 15h 49m
Jun: 3:30 AM – 8:30 PM · 16h 59m
Jul: 3:45 AM – 8:15 PM · 16h 30m
Aug: 4:39 AM – 7:21 PM · 14h 42m
Sep: 5:47 AM – 6:13 PM · 12h 25m
Oct: 6:55 AM – 5:05 PM · 10h 10m
Nov: 7:57 AM – 4:03 PM · 8h 06m
Dec: 8:30 AM – 3:30 PM · 7h 00m
Daylight Longest: 17h 02m · Shortest: 6h 59m

Nearby Stations

Hillsborough, United Kingdom April 19 - November 10 Stormont Castle, United Kingdom March 24 - November 24 Armagh, United Kingdom April 13 - November 9 MALIN HEAD, Ireland February 18 - December 20 Lough Navar Forest, United Kingdom May 23 - October 3 DUBLIN PHOENIX PARK, Ireland March 15 - December 4

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