In Texas you never run out of outdoors fun. McCormick Park Trail being so far away from the nearest city hiking it is great fun any time. The warmest time of the year brings highs in the 80's to McCormick Park Trail while overnight lows are commonly in the 70's. The wintertime comes with highs in the 80's while the cold winter nights at McCormick Park Trail are in the 70's. McCormick Park Trail is a wet spot that gets lots of precipitation. For the period of September this area sees the most rain, and May on the other hand is the driest.