Pomegranate juice is the secret weapon in this cocktail. Garnish the drink with pomegranate seeds, frozen green grapes, or kiwi slices.

Source: http://www.delish.com/entertaining-ideas/parties/cocktail-parties/summer-cocktails

Pick up rosemary, cucumbers, and lemons to concoct this grown-up lemonade that will keep you cool on a hot day.

Source: http://www.delish.com/entertaining-ideas/parties/cocktail-parties/summer-cocktails

Calling all citrus lovers. This cocktail is full of all the sweet, tart, and tangy flavors you love in your citrus fruits — citrus vodka, Triple sec or Cointreau, orange juice, and lime juice.

Source: http://www.delish.com/entertaining-ideas/parties/cocktail-parties/summer-cocktails

If it's just not a cookout without the beer, try this twist to make a refreshing summer drink. Combine Hoegaarden beer, ginger beer, and zesty lemon slices and serve in small glasses.

Source: http://www.delish.com/entertaining-ideas/parties/cocktail-parties/summer-cocktails