Temperatures in the Grapevine area range from an average of 44 degrees in the winter to about 86 degrees in the summer.  Average length of the freeze-free growing period is 249 days.  The average annual rainfall is 29.46 inches with the wettest month being May.  Relative humidity varies from an average of 53% in the late afternoon to 82% in early morning.
Average Rainfall
Average Temperatures