To me, the best part of a water drop picture is the water drops themselves. In this picture that area of the frame is dark. Is it important that the viewer knows the season? Why is the green section included? Just some things to think about.
A good idea that has been executed well. The main problem for me is that the wooden beam is too interesting and I dont really focus on the raindrops at all.
I like that you focused in on the drops and that the backround is blurred. It would have been cooler if you took the drops from more of a unique angle.