Merthyr Tydfil Weather History Merthyr Tydfil, United Kingdom

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Daily and hourly data from 1 Jan 2009 onwards.
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Sat 28 Feb, 2026 Weather in Merthyr Tydfil

Sunrise: 07:01 AM Sunset: 05:52 PM	Moonrise: 02:00 PM Moonset: 06:02 AM	Max: 7.8 °c	Min: 1.7 °c	Avg: 4.5 °c	Precip: 0.00 mm	Max Wind: 18.4 kph

	Sat 28 0:00 am	Sat 28 3:00 am	Sat 28 6:00 am	Sat 28 9:00 am	Sat 28 12:00 pm	Sat 28 3:00 pm	Sat 28 6:00 pm	Sat 28 9:00 pm
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Temp	2.8°c	2.0°c	1.7°c	4.9°c	7.7°c	7.7°c	4.3°c	4.7°c
Wind	6.1 kmph	6.1 kmph	3.6 kmph	3.2 kmph	11.2 kmph	18.4 kmph	9.0 kmph	16.2 kmph
Precip	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm
Cloud	13%	20%	83%	77%	90%	65%	55%	100%
Humidity	89%	86%	89%	82%	71%	73%	93%	95%
Pressure	1018 mb	1018 mb	1019 mb	1021 mb	1020 mb	1020 mb	1020 mb	1020 mb

Merthyr Tydfil Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	6°C / 43°F	1°C / 34°F	4°C / 39°F	90 hours	114.34 mm / 4.50 In	11 days	1014 mb / 30 In
February	7°C / 44°F	2°C / 36°F	4°C / 40°F	67 hours	101.46 mm / 3.99 In	10 days	1014 mb / 30 In
March	9°C / 48°F	2°C / 36°F	5°C / 42°F	102 hours	94.01 mm / 3.70 In	10 days	1015 mb / 30 In
April	11°C / 52°F	4°C / 39°F	8°C / 46°F	112 hours	73.65 mm / 2.90 In	9 days	1016 mb / 30 In
May	14°C / 57°F	7°C / 44°F	10°C / 51°F	111 hours	94.54 mm / 3.72 In	10 days	1017 mb / 30 In
June	17°C / 62°F	10°C / 49°F	13°C / 56°F	105 hours	100.01 mm / 3.94 In	9 days	1016 mb / 30 In
July	18°C / 65°F	11°C / 52°F	15°C / 59°F	103 hours	95.18 mm / 3.75 In	9 days	1015 mb / 30 In
August	18°C / 64°F	11°C / 52°F	15°C / 58°F	100 hours	98.60 mm / 3.88 In	10 days	1015 mb / 30 In
September	16°C / 61°F	10°C / 49°F	13°C / 55°F	108 hours	84.82 mm / 3.34 In	8 days	1016 mb / 30 In
October	13°C / 55°F	8°C / 46°F	10°C / 50°F	83 hours	115.93 mm / 4.56 In	9 days	1014 mb / 30 In
November	9°C / 48°F	5°C / 40°F	7°C / 44°F	78 hours	130.05 mm / 5.12 In	11 days	1011 mb / 30 In
December	7°C / 45°F	3°C / 37°F	5°C / 41°F	77 hours	140.61 mm / 5.54 In	11 days	1013 mb / 30 In

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