Castlemaine Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Castlemaine, Victoria, Australia. These values are calculated using 30 years of data (1990–2020) to ensure accuracy. Now, let's explore all the details to give you a full picture.

Generally, Castlemaine receives mid-range precipitation levels, with 590 mm (23 in) annually. The distribution varies significantly throughout the year, with a distinct dry season during certain months, as shown in our charts below.

Monthly Precipitation Levels

The average number of days each month with precipitation (> 0.2 mm (0.01 in))

The seasons in Castlemaine, bring significant changes in precipitation. The wettest month, September, receives moderate rainfall, with an average of 65 mm (2.6 in) of precipitation. This rainfall is distributed across 11 rainy days.

September, the wettest month, has a maximum daytime temperature of 16°C (61°F). During the driest month March you can expect a temperature of 25°C (77°F). For more detailed insights into the city's temperatures, visit our Castlemaine Temperature page.

Castlemaine's average annual precipitation is 590 mm (23 in). Let's compare this to some popular worldwide tourist destinations:

New York City, USA, receives 1276 mm (50 in) of rainfall annually, with precipitation evenly distributed throughout the year.

In Seoul, South Korea, the average annual precipitation is 1237 mm (49 in), with most rain falling during the summer monsoon season.

In Brisbane, Australia, the annual precipitation is 979 mm (39 in), making it wetter than Sydney.

Singapore, situated near the equator, gets 2581 mm (102 in) of rainfall annually, with no distinct dry season and consistent monthly precipitation.

Precipitation amounts are measured using specific gauges installed at weather stations, collecting both rain and snow and any other type of precipitation. Rainfall is measured directly in millimeters, while that from snow and ice is obtained by melting it. Automated systems often incorporate heaters to make this easier.

Information from these stations is transmitted via Wi-Fi, satellite, GPS, or telephone connections to central monitoring networks. This information is immediately updated and integrated into weather models and forecasts.

• "Ginger" was the longest-lasting Atlantic tropical storm, which spun around the open ocean for 28 days in 1971.
• The world's largest snowflake was recorded in the Guinness Book of Records, at 38 cm (15 inches) wide and 20 cm (7.9 inches) thick. The snowflake fell at Fort Keogh, Montana, USA, on 28 January 1887.
• The greatest snowfall recorded was on Mt. Rainier, Washington State, USA, over 31.5 meters (103 feet) fell during the winter of 1972.

For more detailed information about Castlemaine's weather, including sunshine hours, humidity levels, and temperature data, visit our Castlemaine Climate page.