In Heißer Tag, Leo Putz captures a vibrant summer day filled with bright colors. The scene is lively, featuring figures enjoying the warmth of the sun. The use of yellow and blue hues creates a sense of heat and light.

The figures are dressed in light clothing, suggesting a leisurely day outdoors. The painting is executed in oil on canvas, a medium that allows for rich color and texture. Putz employs loose brushwork typical of Impressionism, giving the piece a spontaneous feel. The composition is dynamic, with figures arranged in a way that leads the viewer's eye through the scene.

The play of light and shadow adds depth and interest. Leo Putz was known for his depictions of everyday life and leisure scenes, often infused with a sense of joy. Heißer Tag reflects his interest in capturing the essence of summer. An interesting fact about this work is that it showcases Putz's ability to blend realism with impressionistic techniques, making it a notable piece in his oeuvre.