Attaching a gratitude practice to the turning of a season gives it a natural rhythm that a purely daily habit sometimes lacks, a chance every few months to pause and take stock of a longer stretch of time rather than only the events of a single day.
A simple seasonal ritual might involve reviewing what mattered over the past few months, naming a challenge that was overcome, or noting a change in the surroundings, the first cold morning, the first bloom, worth appreciating specifically because it marks the season shifting once again.
Because these rituals repeat only a few times a year rather than daily, they tend to feel less like a chore and more like a genuine occasion, which for many people makes them easier to sustain over the long run than a practice requiring daily upkeep and attention. A ritual that only asks for attention a handful of times a year tends to survive far longer than good intentions renewed, and quietly abandoned, every single morning.