You can see the Leo constellation in the northern hemisphere during the spring months, specifically from late March to early June.

Here's a breakdown:

* Best viewing time: Leo is highest in the sky around 10:00 PM (local time) during mid-April.

* Location: Look for Leo in the eastern sky in the early evening and the southern sky later at night.

* Identifying features: Leo is easily recognizable by its sickle-shaped pattern of stars that resembles a lion's head and mane. The brightest star in Leo is Regulus, which marks the lion's heart.

Note: The exact visibility times and location may vary depending on your specific location and the time of year. You can use a stargazing app or website to get a more accurate view of Leo's position in your sky.