California has so much stuff to offer nature lovers. The folks who take care of the campground and the beauty of the place are a good pull for loads of folks. Trailhead Group is a location that is relatively waterless commonly. January is the month that gets the most rain, and July is the month with the least moisture. For the period of the summertime months at Trailhead Group temperatures are ordinarily in the 70's while night lows are frequently in the 50's. During the wintertime the highs are generally in the 50's while the cold winter nights at Trailhead Group are in the 40's.