This part of Iowa has a great deal of available outdoors activities. Time to get out and breathe some fresh air, and Rock Rapids Trail in Lyon County, Iowa is such a great place. An average amount of rain falls at Rock Rapids Trail. During June this area sees the most rain; the driest of the months is January. Summer at Rock Rapids Trail comes with high temperatures in the 80's. Throughout the moonlight hours it's regularly in the 60's. Highs all through the winter are ordinarily in the 20's while the cold winter nights at Rock Rapids Trail are in the 0's.