That is the correct spelling of the adjective "seasonal" (according to the season, or weather).
chocolate
tropical
seasonal
Alabamas best soda is coke. Everyone loves it.
.mlml
Monsoons are seasonal rains, specifically in the tropics. They are "weather".
Weather in Spokane can become bad for people with seasonal affect disorder. It all really depends on the person and how bad they have the disorder.
They love the balmy weather.
Torrid
Seasonal Affective Disorder or SAD.
It can go as far as having seasonal snowfalls.