British Isles weather diary

British Isles weather diary

Recent temperature, rainfall and sunshine extremes over the British Isles (Note: figures in parentheses give an indication, from first reports, of the spread of daily max and min temperatures, min daytime temperatures (occasionally), rainfall and sunshine in the 24 hours ending 2100 GMT.)

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British Isles weather, August 2017

Bank holiday Monday, the 28th, saw temperatures rising widely above 25C over E and S England, leading to many places reporting their highest temperatures for this bank holiday Monday (which has been held in late August in England and Wales since 1965). There was a misty start to the day across many parts of England, Wales and S Ireland, with overnight rain across N Scotland and lesser falls elsewhere at times in Scotland. At Valentia the overnight minimum temperature was 15.2C but - following the passage of a cold front that gradually swept SE'wards across Scotland and Ireland during the day - the daytime maximum was just 16.4C. The cold front led to rain spreading SE'wards across Scotland and Ireland during the day, with falls over N Wales and N England at 2400 GMT. (St Helier 29.2C, Fair Isle 15.3 maximum, Swyddffynnon 7.6C minimum, Achnagart 21.2 mm, Tibenham Airfield 12.6 h.)

On the 29th there were showery outbreaks overnight across Scotland and N England - during the day only the SE corner of England remained largely dry - after a misty start across many parts of the Midlands and SE England. In the SE corner of England there were a few heavy showers during the afternoon and early evening. The southeast was warm, locally very warm after a mild night when minimum temperatures remained above 17C in parts of Kent and on Jersey. (Frittenden 29.3C, Blencathra 12.6C maximum, Braemar 4.5C minimum, Achnagart 9.8 mm, Lerwick 11.1 h.)

Overnight into the 30th there was rain across NW Scotland and Ireland, and a second area of rain affected parts of Cent, S and E England and S Wales. The latter area was slow-moving during the day, leading to a cold and set day here with daytime temperatures being widely over 10 degC colder in SE England than just 24 hours earlier; this is a remarkably large fall for the time of year. Further N the weather tended to be more showery in nature, with much of Scotland, Ireland and Wales having sunny periods. (Helens Bay 19.7C, Chertsey Abbey Mead 12.6C maximum, Aboyne 1.6C minimum, Culdrose 16.8 mm, Ronaldsway 10.5 h.)

By dawn on the 31st there were some fog and mist patches across S England, while overnight across Ireland and in some W areas of the UK there were showers. The showers became more widespread during the day with thunder in some parts of England and Wales. In between the showers there were sunny spells in Ireland, England, Wales and S Scotland - although N Scotland remained rather cloudy. (Hull East Park 21.0C, Baltasound 13.0C maximum, Eskdalemuir 2.4C minimum, Myerscough 28.2 mm, St Athan 10.4 h.)

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Last updated 11 September 2017.