June Night Sky Guide (June 2025)

From Mercury’s best appearance of the year to striking moon-planet meetups and a stunning summer solstice sunset, June offers one beautiful skywatching moment after another. Mark your calendar, grab a blanket, and enjoy the cosmic wonders overhead!

Planets and Stars on Display

June 1: Crescent Moon and Mars

June skywatching starts big. Head outside June 1. You’ll be rewarded with a captivating crescent Moon between Mars and Leo’s blue star Regulus.

Around 9:15, Jupiter will join the party, very low in the evening twilight.

June 12-30: The Best of Mercury

From June 12 to June 30, Mercury will be offering its finest showing of 2025. Look low in the Western Northwest from 9:00 to 9:15 P.M. Right near 9:00, it will be at its brightest magnitude (-.8)

On June 26, you can see Mercury low to the left of the crescent Moon, before it achieves a more comfortable 8-degree elevation from June 29-30.

June 16, 17, 18: The Blue Star

A Regulus conjunction will take place on June 16, 17, and 18, 2025. Be sure to mark your calendar—bright orange Mars will appear right next to the blue-white star Regulus shortly after nightfall. The best part? You won’t need a perfectly clear western horizon to enjoy the view. During this time, the Mars-Regulus duo will sit comfortably about 20 degrees above the horizon.

June 29: Mars is Back

On the 29th of June, mark your calendars for a brilliant conjunction, with Mars hovering just above the crescent Moon. For viewers in the eastern U.S. and Canada, it will look like the red planet and the Moon are practically touching!

Spotlight on the Moon

June 11: Strawberry Moon

Get out the strawberries and cream! Yes, June’s Moon is traditionally called the “Strawberry Moon.”  

June 20: A Summer Solstice Spectacle!

The 20th (at 10:42 P.M.) marks the first day of summer for the Northern Hemisphere and the longest day of 2025 in the Northern Hemisphere. This is the day when the Sun is at its highest at midday, rising from its leftmost position and setting at the year’s rightmost spot on the horizon.

June 25: New Moon

Prefer to stargaze and ponder the cosmos? June 25 is your best opportunity, with the new Moon peaking at 6:31 A.M.

June Stargazing

  • Look for the Big Dipper riding high in the northwest at nightfall this month. 

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Source: alamanac.com | Author: Bob Berman, astronomer editor for The Old Farmer’s Almanac, covers everything under the Sun (and Moon)! Bob is the world’s most widely read astronomer and has written ten popular books