Llanelli Weather History Carmarthenshire, United Kingdom

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Daily and hourly data from 1 Jan 2009 onwards.
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Sat 29 Aug, 2026 Weather in Llanelli

Sunrise: 06:24 AM Sunset: 08:10 PM	Moonrise: 08:25 PM Moonset: 07:57 AM	Max: 19.8 °c	Min: 14.7 °c	Avg: 16.6 °c	Precip: 9.62 mm	Max Wind: 25.9 kph

	Sat 29 0:00 am	Sat 29 3:00 am	Sat 29 6:00 am	Sat 29 9:00 am	Sat 29 12:00 pm	Sat 29 3:00 pm	Sat 29 6:00 pm	Sat 29 9:00 pm
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Temp	16.0°c	16.2°c	15.2°c	15.1°c	17.4°c	19.5°c	18.4°c	15.2°c
Wind	16.9 kmph	10.4 kmph	16.9 kmph	22.7 kmph	19.1 kmph	12.2 kmph	18.7 kmph	18.0 kmph
Precip	0.07 mm	0.10 mm	0.91 mm	0.21 mm	0.83 mm	0.01 mm	0.31 mm	0.00 mm
Cloud	100%	100%	100%	100%	100%	89%	76%	13%
Humidity	94%	92%	95%	96%	84%	69%	88%	92%
Pressure	1007 mb	1005 mb	1003 mb	1001 mb	1000 mb	999 mb	1001 mb	1006 mb

Llanelli Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	8°C / 46°F	4°C / 39°F	6°C / 43°F	90 hours	133.64 mm / 5.26 In	11 days	1014 mb / 30 In
February	8°C / 46°F	4°C / 40°F	6°C / 43°F	79 hours	107.01 mm / 4.21 In	9 days	1014 mb / 30 In
March	10°C / 49°F	5°C / 40°F	7°C / 45°F	121 hours	91.60 mm / 3.61 In	8 days	1015 mb / 30 In
April	12°C / 53°F	6°C / 43°F	9°C / 48°F	137 hours	64.66 mm / 2.55 In	7 days	1016 mb / 30 In
May	14°C / 58°F	9°C / 48°F	11°C / 53°F	133 hours	87.99 mm / 3.46 In	8 days	1017 mb / 31 In
June	17°C / 62°F	11°C / 52°F	14°C / 58°F	124 hours	96.98 mm / 3.82 In	8 days	1016 mb / 30 In
July	18°C / 65°F	13°C / 56°F	16°C / 61°F	121 hours	97.83 mm / 3.85 In	8 days	1016 mb / 30 In
August	18°C / 65°F	13°C / 56°F	16°C / 60°F	121 hours	118.09 mm / 4.65 In	9 days	1015 mb / 30 In
September	17°C / 62°F	12°C / 54°F	14°C / 58°F	127 hours	110.67 mm / 4.36 In	8 days	1016 mb / 30 In
October	14°C / 57°F	10°C / 51°F	12°C / 54°F	96 hours	149.07 mm / 5.87 In	10 days	1014 mb / 30 In
November	11°C / 52°F	8°C / 46°F	9°C / 49°F	92 hours	158.10 mm / 6.22 In	12 days	1011 mb / 30 In
December	9°C / 48°F	6°C / 43°F	7°C / 45°F	83 hours	170.23 mm / 6.70 In	12 days	1013 mb / 30 In

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