But the game isn't always aligned to the lore of Tamriel.
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QFT
QFT
Isn't it very satisfying if the discussion partner serves the perfect counter argument on a silver plate?
Now really though, come on. There are four seasons in lore, four seasons in the game Daggerfall, there are mentions of spring, summer, fall and winter, all with the necessary descriptions of the respective season (e.g. winter = cold). The actual physics (tilted axis) don't really matter. A season is (to quote wikipedia), "a division of the year, marked by changes of the weather". Period.
They may not be "created" by the same mechanics/physics as they are on earth, nonetheless, they share all the proper requisites to be called "seasons". So all you are discussing is semantics. Which, in this case
a. saves no purpose other than occupying half the lore forumites to overload TIL with search requests for seasons
b. makes you look pedantic.
Besides, you're evading the argument by constantly changing your standpoint. First, it's just "there aren't seasons", then, "there aren't seasons like earth", which is a bad style of discussion. Okay, here, I'll hand you a bone. Nirn's seasons cannot be proven to work exactly as Earth's seasons. For all purposes, though, Nirn's seasons look, smell and taste like Earth's seasons, ans thus, are seasons of Nirn in their own rights. And that's, I daresay, the real purpose of what the OP asked. And, I tell you that, he didn't ask whether the seasons of Nirn are like Earth's.
My preferred season, by the way, is the hunting season. Now don't even try to tilt my axis.