Summer is a three-month season that occurs between June and September. For many people who live in the United States, it’s their favorite time of the year.
It’s summer!
Schools let out for the summer. (This means that they don’t have classes.)
Memorial Day marks the beginning of summer; Labor Day marks the end of summer. (mark = indicate)
People go to the beach in the summer.
Men wear shorts in the summer. Women wear summer dresses.
What do you like to do in the summer?
In Minnesota, summer means its mosquito season.
In Florida, it feels like summer all year round.
Baseball is a summer sport.
Volleyball is popular during the summer.
I like to relax during the summer.
Tomatoes grow well in the heat of summer.
The word "summertime" is a compound noun:
It’s summertime.
What do you like to do in the summertime?
Summertime parties involve barbecued food and cold beverages.
The word "summery" is an adjective used to describe the feeling of summer. You can also use "summer like."