A day in summer.

A resort visited for holidays/vacations during the summer.

Characteristic of summer; summer-like; warm and sunny.

summer fallow

to summer-fallow

summer-like

Resembling or characteristic of summer.

(Germanic paganism) A festival celebrated in Heathenry which marks the beginning of spring, held on the spring equinox.

One instance of an event (such as the arrival of a single bird) does not necessarily indicate a trend.

Alternative form of one swallow does not a summer make