When Is Last Day Of Summer Uk 2025. The solstice this year falls on thursday june 20 2025, which will officially be the longest day of the year. Elsewhere temperatures should be higher than.

In 2025 the summer solstice will occur on thursday 20 june at 21.51 bst (20.51 gmt). For many local authority areas this year, it appears the last day of term will be wednesday, 24 july.