Ohio Winter Forecast 2025 23. The first day of winter is marked by the winter solstice, which occurs when the earth’s axis tilts farthest from the sun. Winter will be colder than normal, with the coldest periods in late november, from late january into early february, and in late february.
Snowchance calculates the likelihood of a winter storm entering a region on a specific day. According to noaa, by winter, there is an 84% chance of greater than a moderate strength el niño, and a 56% chance of a strong el niño.