Average humidity in Castle Hill

On this page you find more information about the monthly relative humidity over the year in Castle Hill (New South Wales), Australia.

Data from: Sydney, Australia (29 KM, 18 Miles).

Castle Hill's humidity levels vary throughout the year. The highest levels occur in February, reaching 62% (high), while the lowest is recorded in August at 48%.

Throughout the year, the average humidity in Castle Hill is 56%.

Humidity plays an important role in how temperatures are felt. During the warmest month, January, the maximum average temperature is around 29°C (84°F). Combined with high humidity during this period, the temperature can feel even warmer than the thermometer shows.

During the coldest month, July, the maximum average temperature is around 19°C (66°F). This period has moderate humidity. Check out our detailed temperature page for more information.

Castle Hill 3-Day Forecast

10-Day Forecast