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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Sat 30 May, 2026 Weather in Letterkenny

Sunrise: 05:01 AM Sunset: 09:55 PM	Moonrise: 10:15 PM Moonset: 03:53 AM	Max: 16.3 °c	Min: 9.3 °c	Avg: 12.5 °c	Precip: 1.89 mm	Max Wind: 19.1 kph

	Sat 30 0:00 am	Sat 30 3:00 am	Sat 30 6:00 am	Sat 30 9:00 am	Sat 30 12:00 pm	Sat 30 3:00 pm	Sat 30 6:00 pm	Sat 30 9:00 pm
Icon
Temp	9.3°c	10.9°c	11.6°c	11.8°c	12.7°c	14.9°c	15.6°c	13.0°c
Wind	6.8 kmph	6.1 kmph	6.8 kmph	12.2 kmph	14.4 kmph	16.2 kmph	18.0 kmph	9.7 kmph
Precip	0.00 mm	0.00 mm	0.02 mm	0.00 mm	0.00 mm	0.03 mm	0.19 mm	0.25 mm
Cloud	49%	88%	100%	100%	100%	100%	97%	85%
Humidity	91%	83%	81%	92%	90%	85%	85%	93%
Pressure	1020 mb	1020 mb	1018 mb	1018 mb	1017 mb	1015 mb	1014 mb	1013 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	58 hours	88.59 mm / 3.49 In	11 days	1010 mb / 30 In
February	8°C / 46°F	2°C / 36°F	5°C / 41°F	53 hours	91.29 mm / 3.59 In	11 days	1010 mb / 30 In
March	9°C / 49°F	2°C / 36°F	6°C / 42°F	64 hours	84.09 mm / 3.31 In	11 days	1012 mb / 30 In
April	12°C / 53°F	4°C / 39°F	8°C / 46°F	82 hours	78.84 mm / 3.10 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	101.91 mm / 4.01 In	11 days	1008 mb / 30 In
December	7°C / 45°F	3°C / 37°F	5°C / 41°F	69 hours	100.09 mm / 3.94 In	12 days	1008 mb / 30 In

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