Distance to the sun changes slightly, but it’s Earth’s 23.5-degree axial tilt that truly drives the seasons.
Earth is closest to the sun in early January — specifically, about two weeks after the December solstice .
The word “perihelion” comes from Greek: peri (near) + helios (sun). Aphelion comes from apo (away) + helios . Would you like a version adapted for kids, a video script, or an infographic layout for this content?
Because , not distance. In January, the Northern Hemisphere is tilted away from the sun, so sunlight hits at a lower angle and days are shorter — causing colder temperatures. Meanwhile, the Southern Hemisphere, tilted toward the sun, experiences summer.
Here’s a clear, engaging content piece on the topic, suitable for a blog, social media, or educational post. When Is the Earth Closest to the Sun? (Hint: It’s Not Summer)