Air Temperature
Players can have a direct impact on the temperature. A pitcher’s grip can falter, especially when it is hot and humid due to increased perspiration. Cold weather can also affect a pitcher’s grip. Because their fingers could be numb, it reduces their ability to feel the ball and control their pitches.
The temperature of air also impacts the ball. When air warms, it expands, causing the density of the air to lower.
Warmer air is lighter and thinner than cold air. This creates less resistance by reducing drag, so the ball to travel farther than it would in colder air.
