That's going to depend somewhat on the latitude of your observing location.
From the central USA, Aries is visible for at least some part of every night from roughly mid-June
until mid-March.
Aries is best seen during the month of December.
Aries is typically visible in the night sky during the months of October to March. It can be best seen in the early evening in the months of December and January. Look towards the east to spot Aries, as it rises in the east and sets in the west.
Sagittarius and Leo go best with an Aries since they are all Fire signs.
Aries is visible from everywhere on Earth for most of the year.
The constellation Aries has an area of 441 sq degrees. See related link for more information.
Aries is best viewed at about 9 PM during the months of December and January.
The Fall.
See the link below
Aries is the best match for Leo.
The best matches are the Libra's, Aries, Gemini, Aquarius, Sagittarius and Leo.
Vari Aries
december