Frost Dates for BALLYSHANNON (CATHLEENS FALL), Ireland

Elevation: 14 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. March 21
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 25
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 31
First Fall Frost November 16

Hard Freeze (−2°C)

Last Spring Hard Freeze February 12
First Fall Hard Freeze December 9
54.50°N, -8.18°W © OpenStreetMap

Growing Season

249 Days March 21 to November 25

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° 5° 10° 15° 20°
5°
High: 7°C
Avg: 5°C
Low: 3°C
Jan
5°
High: 8°C
Avg: 5°C
Low: 3°C
Feb
7°
High: 9°C
Avg: 7°C
Low: 4°C
Mar
8°
High: 12°C
Avg: 8°C
Low: 5°C
Apr
11°
High: 14°C
Avg: 11°C
Low: 8°C
May
13°
High: 16°C
Avg: 13°C
Low: 10°C
Jun
15°
High: 18°C
Avg: 15°C
Low: 12°C
Jul
15°
High: 17°C
Avg: 15°C
Low: 12°C
Aug
13°
High: 16°C
Avg: 13°C
Low: 11°C
Sep
10°
High: 13°C
Avg: 10°C
Low: 8°C
Oct
8°
High: 10°C
Avg: 8°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 50 mm 100 mm
109 mm
109.2 mm
Jan
97 mm
96.5 mm
Feb
97 mm
96.5 mm
Mar
84 mm
83.8 mm
Apr
89 mm
88.9 mm
May
91 mm
91.4 mm
Jun
107 mm
106.7 mm
Jul
114 mm
114.3 mm
Aug
97 mm
96.5 mm
Sep
122 mm
121.9 mm
Oct
122 mm
121.9 mm
Nov
124 mm
124.5 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec7.5h9.5h11.5h14h16h17h16.5h14.5h12.5h10h8h7h
Jan: 8:12 AM – 3:48 PM · 7h 35m
Feb: 7:17 AM – 4:43 PM · 9h 25m
Mar: 6:16 AM – 5:44 PM · 11h 28m
Apr: 5:06 AM – 6:54 PM · 13h 48m
May: 4:06 AM – 7:54 PM · 15h 48m
Jun: 3:31 AM – 8:29 PM · 16h 57m
Jul: 3:46 AM – 8:14 PM · 16h 28m
Aug: 4:40 AM – 7:20 PM · 14h 41m
Sep: 5:48 AM – 6:12 PM · 12h 25m
Oct: 6:55 AM – 5:05 PM · 10h 10m
Nov: 7:57 AM – 4:03 PM · 8h 07m
Dec: 8:29 AM – 3:31 PM · 7h 02m
Daylight Longest: 16h 60m · Shortest: 7h 00m

Nearby Stations

Lough Navar Forest, United Kingdom May 23 - October 3 CONNAUGHT, Ireland April 1 - November 17 MALIN HEAD, Ireland February 18 - December 20 BELMULLET, Ireland February 12 - December 24 GALWAY, Ireland March 20 - November 21 BIRR, Ireland March 29 - November 21

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