No evidence is presented in this picture. Look at other portions of the picture to help answer this question.
What season of the year do you think this is?
The man has rolled up the sleeves on his shirt, and is not wearing a coat. This indicates that it would be either summer, late spring, or early fall. Look at vegetation for further clues.
What time of day is it?
The shadows behind the man and the shadows on his face indicates either late morning or early afternoon.
