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 30 Aug, 2026 Weather in Letterkenny

Sunrise: 06:34 AM Sunset: 08:29 PM	Moonrise: 08:45 PM Moonset: 09:26 AM	Max: 16.9 °c	Min: 10.9 °c	Avg: 13.7 °c	Precip: 6.11 mm	Max Wind: 11.9 kph

	Sun 30 0:00 am	Sun 30 3:00 am	Sun 30 6:00 am	Sun 30 9:00 am	Sun 30 12:00 pm	Sun 30 3:00 pm	Sun 30 6:00 pm	Sun 30 9:00 pm
Icon
Temp	12.9°c	11.3°c	11.1°c	12.2°c	15.2°c	16.7°c	16.7°c	13.8°c
Wind	5.4 kmph	5.4 kmph	6.1 kmph	5.0 kmph	11.9 kmph	10.4 kmph	0.4 kmph	6.8 kmph
Precip	0.00 mm	0.00 mm	0.00 mm	0.00 mm	1.04 mm	0.21 mm	0.66 mm	0.13 mm
Cloud	100%	18%	100%	100%	100%	100%	100%	100%
Humidity	97%	97%	98%	97%	88%	82%	82%	94%
Pressure	1005 mb	1004 mb	1003 mb	1003 mb	1002 mb	1001 mb	1001 mb	1002 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	75 hours	99.72 mm / 3.93 In	10 days	1015 mb / 30 In
June	17°C / 62°F	9°C / 48°F	13°C / 56°F	59 hours	101.80 mm / 4.01 In	10 days	1015 mb / 30 In
July	18°C / 64°F	11°C / 51°F	14°C / 58°F	46 hours	112.37 mm / 4.42 In	11 days	1014 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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