Warm weather hits the UK and Ireland

People enjoy the sunshine in Hyde Park, London Photograph: Sang Tan/AP Photograph: Sang Tan/guardian.co.uk A souvenir model of Blackpool Tower Photograph: Christopher Furlong/Getty Images Photograph: Christopher Furlong/guardian.co.uk A robin out in the warm weather in Lenton, Nottingham Photograph: Matthew Vincent/PA Photograph: Matthew Vincent/guardian.co.uk A rainbow appears in the spray as children play in fountains outside the Southbank Centre in London Photograph: Leon Neal/AFP/Getty Images Photograph: Leon Neal/guardian.co.uk A fisherman casts his line in the hope of catching a rainbow trout at Syon Park Fishery, near Brentford Photograph: Adrian Dennis/AFP/Getty Images Photograph: Adrian Dennis/guardian.co.uk A marmoset enjoys a date-filled ice-cream at Blair Drummond Safari Park near Stirling Photograph: Andrew Milligan/PA Photograph: Andrew Milligan/guardian.co.uk People picnic in St James's Park in London Photograph: Ian Nicholson/PA Photograph: Ian Nicholson/guardian.co.uk Cricket fans soak up the very hot weather during a match in Bath Photograph: Jed Leicester/Getty Images Photograph: Jed Leicester/guardian.co.uk A visitor to Brighton beach in east Sussex soaks up the sun Photograph: Gareth Fuller/PA Photograph: Gareth Fuller/guardian.co.uk People cool off in the Trafalgar Square fountains in London Photograph: Ian Nicholson/PA Photograph: Ian Nicholson/guardian.co.uk A man suns himself at Southport beach, Merseyside Photograph: Peter Byrne/PA Photograph: Peter Byrne/guardian.co.uk People enjoy the sun at Southport beach, Merseyside, Photograph: Peter Byrne/PA Photograph: Peter Byrne/guardian.co.uk Brighton beach, east Sussex, busy with visitors enjoying the sun Photograph: Gareth Fuller/PA Photograph: Gareth Fuller/guardian.co.uk A woman enjoys an ice-cream on Hampstead Heath, north London Photograph: Johnny Green/PA Photograph: Johnny Green/guardian.co.uk People enjoying leisure activities along the embankment in Nottingham Photograph: Lewis Stickley/PA Photograph: Lewis Stickley/guardian.co.uk Spectators enjoy the warm weather at Goodwood racecourse in Chichester Photograph: Jan Kruger/Getty Images Photograph: Jan Kruger/guardian.co.uk A young girl cools down among the fountains of London's South Bank Photograph: Andy Rain/EPA Photograph: Andy Rain/guardian.co.uk Fisherman at Conkers in south Derbyshire Photograph: Rui Vieira/PA Photograph: Rui Vieira/guardian.co.uk Spectators enjoy the hot weather during the third round of the BMW PGA Championship at Wentworth golf club, Surrey Photograph: Anthony Devlin/PA Photograph: Anthony Devlin/guardian.co.uk A child plays in the fountains in Nottingham's Old Market Square Photograph: Lewis Stickley/PA Photograph: Lewis Stickley/guardian.co.uk People enjoy the sun at Mercia Marina in south Derbyshire Photograph: Rui Vieira/PA Photograph: Rui Vieira/guardian.co.uk Seven-month-old Leila Gilmour enjoys a cool bath in her back garden in Bannockburn, Scotland Photograph: Andrew Milligan/PA Photograph: Andrew Milligan/guardian.co.uk A sunbather enjoys the hottest day of the year in St James' Park, London Photograph: Graham Turner Photograph: guardian.co.uk A chimpanzee sucks on a block of ice at Chester zoo Photograph: Phil Noble/Reuters Photograph: Phil Noble/guardian.co.uk Isla Stanton, three, collects bluebells near Ashford in Kent Photograph: Gareth Fuller/PA Photograph: Gareth Fuller/guardian.co.uk A man enjoys the hot weather in Leith near Edinburgh Photograph: Danny Lawson/PA Photograph: Danny Lawson/guardian.co.uk A sea lion is cooled down by head sea lion keeper, Frances Reid, at Blair Drummond Safari Park near Stirling Photograph: Andrew Milligan/PA Photograph: Andrew Milligan/guardian.co.uk Cyclists enjoy the warm weather on Nottingham's river Trent Photograph: Rui Vieira/PA Photograph: Rui Vieira/guardian.co.uk People enjoy the hot weather at Cullercoats in North Tyneside Photograph: Owen Humphreys/PA Photograph: Owen Humphreys/guardian.co.uk People enjoy the warm weather on the Victorian pier at Clevedon, north Somerset Photograph: Barry Batchelor/PA Photograph: Barry Batchelor/guardian.co.uk A family enjoy the warm weather on Sandymount beach in Dublin Photograph: Niall Carson/PA Photograph: Niall Carson/guardian.co.uk