Letterkenny Weather History Donegal, Ireland

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Past date: Past date must be from 1st Jan, 2009 onwards.

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Daily and hourly data from 1 Jan 2009 onwards.
Yearly Monthly Averages
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Mon 03 Nov, 2025 Weather in Letterkenny

Sunrise: 07:39 AM Sunset: 04:49 PM	Moonrise: 03:44 PM Moonset: 04:32 AM	Max: 14.3 °c	Min: 11.7 °c	Avg: 13.2 °c	Precip: 18.70 mm	Max Wind: 28.4 kph

	Mon 03 0:00 am	Mon 03 3:00 am	Mon 03 6:00 am	Mon 03 9:00 am	Mon 03 12:00 pm	Mon 03 3:00 pm	Mon 03 6:00 pm	Mon 03 9:00 pm
Icon
Temp	12.1°c	12.9°c	13.2°c	13.7°c	13.9°c	13.7°c	13.6°c	12.8°c
Wind	19.8 kmph	23.8 kmph	21.6 kmph	22.3 kmph	21.6 kmph	21.2 kmph	22.7 kmph	20.5 kmph
Precip	1.40 mm	0.10 mm	0.10 mm	0.30 mm	0.10 mm	2.70 mm	0.50 mm	0.30 mm
Cloud	100%	100%	100%	100%	100%	100%	100%	78%
Humidity	94%	93%	94%	91%	90%	94%	90%	90%
Pressure	996 mb	995 mb	995 mb	996 mb	996 mb	993 mb	995 mb	996 mb

Letterkenny Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	7°C / 44°F	2°C / 35°F	4°C / 39°F	60 hours	87.26 mm / 3.44 In	11 days	1010 mb / 30 In
February	8°C / 46°F	2°C / 36°F	5°C / 40°F	55 hours	90.47 mm / 3.56 In	11 days	1010 mb / 30 In
March	9°C / 49°F	2°C / 36°F	6°C / 42°F	64 hours	82.66 mm / 3.25 In	11 days	1012 mb / 30 In
April	12°C / 53°F	4°C / 39°F	8°C / 46°F	82 hours	78.45 mm / 3.09 In	9 days	1015 mb / 30 In
May	14°C / 58°F	6°C / 44°F	10°C / 51°F	79 hours	99.25 mm / 3.91 In	11 days	1015 mb / 30 In
June	17°C / 62°F	9°C / 48°F	13°C / 55°F	62 hours	98.34 mm / 3.87 In	11 days	1015 mb / 30 In
July	18°C / 64°F	11°C / 51°F	14°C / 58°F	49 hours	116.60 mm / 4.59 In	11 days	1013 mb / 30 In
August	17°C / 63°F	10°C / 51°F	14°C / 57°F	45 hours	120.51 mm / 4.74 In	12 days	1012 mb / 30 In
September	16°C / 60°F	9°C / 48°F	12°C / 54°F	62 hours	88.01 mm / 3.47 In	10 days	1014 mb / 30 In
October	13°C / 55°F	7°C / 44°F	10°C / 50°F	54 hours	100.16 mm / 3.94 In	11 days	1010 mb / 30 In
November	9°C / 49°F	4°C / 39°F	7°C / 44°F	57 hours	98.19 mm / 3.87 In	11 days	1008 mb / 30 In
December	7°C / 45°F	3°C / 37°F	5°C / 41°F	66 hours	99.31 mm / 3.91 In	12 days	1008 mb / 30 In

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