Everybody loves the spring and summer in Rexburg. The sun begins to shine and the snow starts melting to let the summer fun begin. The Spring Semester at BYU Idaho takes place in the months of April through July. The average temperature high ranges from 62˚F-90˚F; although Rexburg weather can be very sporadic, so don’t be surprised if snow is falling in July. There are many outdoor activities to do during the warm summer months including: hiking, mountain biking, camping, picnicking, boating, white water rafting, kayaking, fishing, swimming, bridge/cliff jumping, rock climbing, motorbike riding, marathon running, and floating the dry bed. This page will focus on cliff jumping, rock climbing, and white water rafting, giving all the information necessary to have an enjoyable day activity.