When it rains, it will increase the relative humidity because of the evaporation. The air where the rain is falling may not be completely saturated with water vapor. However, the longer it rains, the more the humidity will increase because of the air constantly drawing the water. The evaporation will cool the air and increase the absolute moisture content of the air locally. On a larger scale, rain will remove water vapor through air condensation and deposit it on the surface. This means that across larger volumes, the average relative humidity reduces through rain. There are a variety of factors that need to be taken into consideration, including:
- Amount of rainfall
- Temperature
- Volume of space
When the air is hotter, it will cause the water to evaporate faster, thus creating a higher level of humidity. If the air is cooler,
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