ClimateForecastDecemberJanuary >>

Castle Hill Climate by Month

The temperature in Castle Hill varies moderately throughout the year. The temperatures shift from warm to pleasant. It receives a moderate amount of precipitation. Let's now guide you through the climate details for a complete overview.

Average day and night temperature

The climate in Castle Hill experiences moderate temperature changes, with mild shifts between seasons. On average, daytime temperatures range from a comfortable 29°C in January to a pleasant 19°C in July. Nighttime temperatures can drop, with averages reaching 6°C in July.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Generally, Castle Hill has a moderate amount of precipitation, averaging 726 mm of rainfall annually. The seasons in Castle Hill, bring significant changes in precipitation. The wettest month, February, receives high rainfall, with an average of 100 mm of precipitation. This rainfall is distributed across 12 rainy days.

In contrast, the driest month, July, experiences much less rainfall, totaling 37 mm over 8 rainy days. These distinct seasonal differences provide diverse experiences throughout the year.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

Castle Hill enjoys sunny spells year-round. December sees up to 8.6 hours of daily sunshine, perfect for a sunny trip. May, the least sunny month, still offers a generous 6.0 hours of sun despite this cloudier time of the year.

Monthly hours of sunshine

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

Daily hours of sunshine

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

The best time of year to visit Castle Hill in Australia

During the months of April, May, August, September and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which is the warmest month in Castle Hill?
    January has an average maximum temperature of 29°C and is the warmest month of the year.
  • Which is the coldest month in Castle Hill?
    The coldest month is July with an average maximum temperature of 19°C.
  • Which is the wettest month in Castle Hill?
    February tops the wettest month list with 100 mm of rainfall.
  • Which is the driest month in Castle Hill?
    July is the driest month with 37 mm of precipitation.
  • Which is the sunniest month in Castle Hill?
    December is the sunniest month with an average of 257 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Castle Hill

    Wed   Dec 11
    27°C | 18°C
    E 18 km/h
    partly cloudy and no rain

    partly cloudy and no rain

    Thu   Dec 12
    32°C | 16°C
    E 14 km/h
    clear and no rain

    clear and no rain

    Fri   Dec 13
    35°C | 19°C
    E 14 km/h
    almost clear and no rain

    almost clear and no rain