---
title: maximumHumidity
framework: weatherkit
role: symbol
role_heading: Instance Property
path: weatherkit/dayweather/maximumhumidity
---

# maximumHumidity

The maximum amount of water vapor in the air for the day.

## Declaration

```swift
var maximumHumidity: Double
```

## Discussion

Discussion Relative humidity measures the amount of water vapor in the air, compared to the maximum amount that the air can hold at the current temperature. The range of this property is from 0 to 1, inclusive.