Boreas (Βορέας, Boréas; also Βορρᾶς, Borrhás) was the Greek god of the cold north wind and the bringer of winter. His name meant "North Wind" or "Devouring One". His name gives rise to the adjective "boreal".
Khione (from χιών – chiōn, "snow") is the daughter of Boreas and Greek goddess of snow
Ēostre, West Germanic spring goddess; she is the namesake of the festival of Easter in some languages.
Brigid, celtic Goddess of Fire, the Home, poetry and the end of winter. Her festival, Imbolc, is on 1st or 2nd of February which marks "the return of the light".
Persephone, Greek Goddess of Spring. Her festival or the day she returns to her mother Demeter from the Underworld is on 3rd of April.
the great Spring God (春大神), of Ba Jia Jiang (The Eight Generals), originated from the Chinese folk beliefs and myths
Summer
Áine, Irish goddess of love, summer, wealth and sovereignty, associated with the sun and midsummer
the Great Summer God (夏大神), of Ba Jia Jiang (The Eight Generals), originated from the Chinese folk beliefs and myths
Freyr, Norse god of summer, sunlight, life and rain
Autumn
the Great Autumn God (秋大神), of Ba Jia Jiang (The Eight Generals), originated from the Chinese folk beliefs and myths
Anemoi
In ancient Greek mythology Anemoi were the gods of wind, some of which were associated with seasons:
Boreas (Septentrio in Latin) was the north wind and bringer of cold winter air
Zephyrus or Zephyr (Favonius in Latin) was the west wind and bringer of light spring and early summer breezes
Notus or Notos (Auster in Latin) was the south wind and bringer of the storms of late summer and autumn. Notos not only brings rain and heavy downpour, but he can also bring extremely hot air (avg. 45°C) especially in the southern parts of Greece.
Eurus (Eurus in Latin) was the East Wind & bringer of warmth & rain
References
^H. Nettleship ed., A Dictionary of Classical Antiquities (1891) p. 238