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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Sun 20 Jul, 2025 Weather in Letterkenny

Sunrise: 05:20 AM Sunset: 09:54 PM	Moonrise: 12:30 AM Moonset: 06:34 PM	Max: 17.3 °c	Min: 12.9 °c	Avg: 14.9 °c	Precip: 1.05 mm	Max Wind: 12.2 kph

	Sun 20 0:00 am	Sun 20 3:00 am	Sun 20 6:00 am	Sun 20 9:00 am	Sun 20 12:00 pm	Sun 20 3:00 pm	Sun 20 6:00 pm	Sun 20 9:00 pm
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Temp	13.3°c	13.0°c	13.4°c	17.1°c	17.3°c	16.2°c	15.5°c	13.5°c
Wind	6.1 kmph	6.5 kmph	6.8 kmph	10.1 kmph	11.9 kmph	9.4 kmph	10.8 kmph	8.3 kmph
Precip	0.00 mm	0.00 mm	0.00 mm	0.17 mm	0.13 mm	0.01 mm	0.01 mm	0.00 mm
Cloud	65%	100%	100%	75%	80%	100%	100%	100%
Humidity	94%	93%	93%	85%	90%	93%	94%	97%
Pressure	1001 mb	1000 mb	999 mb	999 mb	999 mb	999 mb	1000 mb	1000 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	48 hours	119.62 mm / 4.71 In	12 days	1013 mb / 30 In
August	17°C / 63°F	10°C / 51°F	14°C / 57°F	41 hours	124.07 mm / 4.88 In	13 days	1012 mb / 30 In
September	16°C / 60°F	9°C / 48°F	12°C / 54°F	63 hours	85.35 mm / 3.36 In	10 days	1014 mb / 30 In
October	13°C / 55°F	7°C / 44°F	10°C / 50°F	53 hours	98.79 mm / 3.89 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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