During Which Month Is The Earth Closest To The Sun Link Page
Seasons result from Earth’s axial tilt (about 23.5°), not its distance from the Sun. The tilt changes which hemisphere receives more direct sunlight:
The Earth is closest to the sun during the month of January.
This annual astronomical event is called perihelion. During this time, Earth is approximately 147 million kilometres (91.4 million miles) from the sun, which is about 5 million kilometres (3 million miles) closer than it is at its farthest point in July. Why Perihelion Occurs
Earth's orbit is not a perfect circle but an ellipse (a slightly squashed circle). Because the sun is located slightly off-center within this ellipse, Earth reaches a specific point once a year where it is physically closer to the sun than at any other time. Why January Isn't Summer in the North
The Seasons, the Equinox, and the Solstices - National Weather Service
"So," Maya mused, warming her hands on the cup. "We are closest to the sun in January, usually around the 3rd or 4th. But because we are tilted away, we freeze." during which month is the earth closest to the sun link
"Exactly," Elias said. "And conversely, in July, when we are sweating and complaining about the heat, Earth is actually at its farthest point from the Sun—aphelion."
"Wait," Maya laughed. "So in July, we are the farthest away?"
"Roughly 94.5 million miles away, compared to 91.4 million miles right now," Elias confirmed. "We are actually closest to the fire when we are the coldest, and farthest from the fire when we are the hottest."
"That sounds like a metaphor for my love life," Maya joked.
"It’s actually Jupiter's fault," Elias added. Seasons result from Earth’s axial tilt (about 23
Maya blinked. "Jupiter?"
"The reason perihelion happens in January isn't random," Elias explained. "It shifts over thousands of years. Right now, and for the last few centuries, the timing of Earth’s closest approach is dictated by the gravitational pull of Jupiter. Our giant neighbor tugs on our orbit, influencing exactly when we swing close to the Sun."
Maya looked out the window at the snowy landscape, the sun rising weakly over the white horizon.
"It's kind of poetic," she said softly. "We are never more intimate with our star than we are in the dead of winter. We are as close as we can possibly be, yet we turn our face away."
Elias nodded. "And that is the lesson of perihelion. It’s not about how close you are to the source of heat; it’s about how you are angled to receive it." "So," Maya mused, warming her hands on the cup
You might wonder if the difference in distance is significant. The difference between perihelion (January) and aphelion (July) is about 3 million miles (5 million kilometers).
In astronomical terms, this is actually quite small. To give you perspective:
Interestingly, this 3% difference in distance does affect the amount of solar radiation Earth receives. During perihelion (January), Earth receives about 6.9% more solar radiation than it does during aphelion (July).
Does this heat up the planet globally? Yes, slightly. But the effect is overwhelmed by the seasonal tilt in the Northern Hemisphere, where most of the planet’s landmass resides. In fact, because of perihelion, Southern Hemisphere summers are slightly more intense than Northern Hemisphere summers, and Southern Hemisphere winters are slightly milder.
Each year Earth follows an elliptical orbit around the Sun. Because that orbit isn’t a perfect circle, there’s a point when Earth is closest to the Sun (perihelion) and a point when it’s farthest (aphelion). Perihelion typically occurs in early January—usually around January 2–5—while aphelion occurs in early July. That means Earth is nearest the Sun in January, not during the northern-hemisphere summer.