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, April 2021

The 28th brought the first measurable rainfall of the month to parts of S England, earlier measurable falls having been only of snow. There was little air frost overnight, as cloudy skies brought frontal rain to most of the UK, with the exception of parts of SE England and East Anglia. Across Scotland and Ireland the day was mainly showery; much of E England remained until sunset while the rain further W across England and Wales slowly moved SE'wards reaching the dry areas of East Anglia and SE England in the evening. The best of the sunshine was to be found across Norfolk while much of Cent and W England remained dull. Some sferics were reported over S Dorset around dawn and at times in the afternoon. (Santon Downham 15.0C, Braemar 6.8C maximum, Altnaharra -3.6C minimum, St Athan 30.0 mm, Weybourne 11.4 h.)

A N'ly flow led to the widespread spreading of showers across the British Isles on the 29th; some of the showers over N Scotland were wintry. Sheltered areas as far S as S England and Dublin had an overnight air frost. It was particularly sunny in some W areas of Wales and Scotland and most other regions had sunny spells in between any showers. Many areas of S England remained dry while daytime temperatures were below normal in all areas; it was especially cool close to the North Sea coastline. (Usk No. 2 13.5C, Fylingdales 6.8C maximum, Kinbrace -4.5C minimum, Thomastown 6.4 mm, Aberdaron 12.6 h.)

Many areas across the UK had a slight air frost before dawn on the 30th. Widespread showers across the British Isles were slow-moving, and locally heavy; there was some very isolated thunder in S England. Up to 2.5 cm of snow fell during the morning in and around Clee Hill and Church Stretton in Shropshire. (Cardinham 13.7C, Balmoral 7.1C maximum, Tulloch Bridge -4.2C minimum, Gringley on the Hill 19.0 mm, Tiree 14.2 h.)


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Last updated 2 May 2021.

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