Summer can start to feel particularly sticky when the dew points climb and moisture fills the air. In meteorology, the dew point is a way to measure the amount of water vapor in the air. The Gulf of Mexico is a big driver of dew points in the US and meteorologists can track dew points as they shift across the country. “If you look at dew points frequently enough, you start to understand what 60 degree dew points feel like. Just like with high humidity, higher dew points make it so that our body’s internal air conditioners–aka sweating–just don’t work as well.