Right now in Sevilla, the relative humidity is 25%, making 101F feel like 102F. The relative humidity in Houston is 60% right now, making 90F feel like 100F.

Right now in Sevilla, the relative humidity is 25%, making 101F feel like 102F. The relative humidity in Houston is 60% right now, making 90F feel like 100F. It’s easier to cool down by sweating and having that sweat evaporate with a lower relative humidity. Texas has more water in the air than Spain does, exacerbating the heat problem.