in summer
prep. phr..prep. phr.. This phrase tells you that something happens during the warmest season of the year, between spring and autumn.
prep. phr.. An adverbial phrase of time indicating that an event or state occurs during the season of summer. The preposition 'in' is standard for seasons.
We go to the beach in summer.
In summer, the days are long and many families go on holiday.
The coastal town, usually quiet, becomes a bustling tourist hub in summer as visitors flock to its famous beaches and festivals.
Use the preposition 'in' for all four seasons: in summer, in winter, in spring, and in autumn.
Contrast 'in summer' (the season in general) with 'this summer' (a specific, upcoming summer) to clarify definite vs. indefinite time.
I like swimming on summer.I like swimming in summer.The preposition 'in' is used for seasons, while 'on' is used for specific days or dates.