This system aligns closely with the annual temperature lag. For most mid-latitude locations, December, January, and February are indeed the coldest three months on average, while June, July, and August are the warmest.
For those looking to verify seasonal months in the current year, here is the precise timeline for 2026 as confirmed by global agencies: months for the seasons verified
One of the most common points of confusion is the seasons in the Southern Hemisphere. Because the Earth's tilt is fixed in space, when the Northern Hemisphere is tilted toward the Sun, the Southern Hemisphere is tilted away from it. This results in opposite seasons and completely different month-to-season assignments. This system aligns closely with the annual temperature lag