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• Northern Hemisphere
  Northern Hemisphere

  noun

  the half of the earth between the North Pole and the equator.
• northern hemisphere
  northern hemisphere

  noun

  that half of the globe lying north of the equator

Northern Hemisphere

American  

noun

1. the half of the earth between the North Pole and the equator.

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northern hemisphere British  

noun

1. that half of the globe lying north of the equator

2. astronomy that half of the celestial sphere north of the celestial equator

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Northern Hemisphere Scientific  

/ nôr′thərn /

1. The half of the Earth north of the equator.

2. The half of the celestial sphere north of the celestial equator.

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Northern Hemisphere Cultural  

1. The northern half of the Earth's surface; the half north of the equator.

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Etymology

Origin of Northern Hemisphere

First recorded in 1885–90

Example Sentences

Its schedule shows it switches between southern and northern hemisphere summers.

From Barron's • May 4, 2026

Shortages of rubber and chemical components have already been reported in Asia, and a prolonged war could affect grain prices when the northern hemisphere has to purchase fertilizers.

From MarketWatch • Apr. 29, 2026

With the northern hemisphere only exiting official winter on Friday -- the first day of astronomical spring -- the soaring temperatures were wreaking havoc on wildlife in the West.

From Barron's • Mar. 20, 2026

During this time, temperatures across the northern hemisphere dropped sharply.

From Science Daily • Mar. 20, 2026

Vega is the brightest star in the constellation Lyra, and the third brightest star in the northern hemisphere.

From "We Are the Ants" by Shaun David Hutchinson