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 01 Mar, 2026 Weather in Letterkenny

Sunrise: 07:21 AM Sunset: 06:07 PM	Moonrise: 03:34 PM Moonset: 06:57 AM	Max: 10.4 °c	Min: 4.3 °c	Avg: 7.9 °c	Precip: 12.20 mm	Max Wind: 33.5 kph

	Sun 01 0:00 am	Sun 01 3:00 am	Sun 01 6:00 am	Sun 01 9:00 am	Sun 01 12:00 pm	Sun 01 3:00 pm	Sun 01 6:00 pm	Sun 01 9:00 pm
Icon
Temp	4.3°c	4.7°c	5.7°c	8.0°c	10.1°c	8.7°c	10.3°c	10.0°c
Wind	12.6 kmph	16.9 kmph	25.9 kmph	21.6 kmph	13.3 kmph	6.1 kmph	26.3 kmph	33.5 kmph
Precip	0.00 mm	0.00 mm	0.60 mm	0.10 mm	0.50 mm	0.90 mm	0.70 mm	0.50 mm
Cloud	100%	67%	100%	100%	100%	100%	100%	100%
Humidity	96%	91%	94%	95%	90%	98%	92%	91%
Pressure	1008 mb	1005 mb	1001 mb	1000 mb	1000 mb	997 mb	995 mb	994 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	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	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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