The utility model provides a strip mine slope dangerous area rainfall monitor. The strip mine slope dangerous area rainfall monitor comprises a supporting stand column, a hoop and supporting legs. Theflange plate is installed at the top end of the supporting stand column and connected with the supporting stand column in a welded mode. The control box is mounted at the top end of the flange plate,and the control box is connected with the flange plate through bolts; the base is mounted at the top end of the control box, and the base is connected with the control box through bolts; the photovoltaic panel mounting frame is arranged at one end of the base, and the photovoltaic panel mounting frame and the base are of an integrated structure; according to the utility model, the monitoring raingauge is improved; the device has the advantages of being reasonable in structural design, convenient to install, detach and move, good in supporting effect, high in overall firmness, capable of being stably installed in areas with complex environments such as uneven ground, capable of reducing installation and construction cost and high in practicability, and therefore the problems and defects in the background art are effectively solved.