The older I get, the more I realize that “seasons” aren’t just how the weather is outside.
There's certain parts of the year when exercising, reading, starting new projects, or [fill in the blank] will come more naturally.
For example, studies show it's easier to make life changes at the beginning of fall because we're conditioned from years of “back to school” season.
You may find it's easier to write in the mornings in the summer and evenings in the winter. Or vice versa for your workouts.
Pay attention whenever things feel effortless or harder than usual.