Port Noarlunga Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Port Noarlunga, South Australia, Australia. The numbers reflect climate data gathered over a 30-year period, from 1990 to 2020. Now, let's explore all the details to give you a full picture.

Generally, Port Noarlunga experiences moderate precipitation patterns, averaging 571 mm (22 in) yearly. However, this average masks significant seasonal variation, including a distinct dry season during certain months that are clearly visible in our monthly breakdown below.

Monthly Precipitation Levels

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

The seasons in Port Noarlunga, bring significant changes in precipitation. The wettest month, July, receives moderate rainfall, with an average of 80 mm (3.1 in) of precipitation. This rainfall is distributed across 9 rainy days.

In contrast, the driest month, March, experiences much less rainfall, totaling 21 mm (0.8 in) over 6 rainy days. These distinct seasonal differences provide diverse experiences throughout the year.

July, the wettest month, has a maximum daytime temperature of 15°C (59°F). The city receives 148 hours of sunshine in this period. During the driest month March you can expect a temperature of 23°C (73°F). For more detailed insights into the city's temperatures, visit our Port Noarlunga Temperature page.

Annual Rainfall in Australia: City Comparison

The map below shows the annual precipitation across Australia. You can also select the different months in case you are interested in a specific month.

Port Noarlunga vs World: Rainfall Compared

Port Noarlunga's average annual precipitation is 571 mm (22 in). Let's compare this to some popular worldwide tourist destinations:

The city of Rome, Italy, has an average annual precipitation of 832 mm (33 in), spread fairly evenly throughout the year.

Beijing, China, receives 560 mm (22 in) of annual precipitation, concentrated in the summer months.

Adelaide, Australia, enjoys 511 mm (20 in) of annual precipitation, with dry summers and wet winters.

Bangkok, Thailand, experiences a tropical monsoon climate with 1668 mm (66 in) of annual rainfall, with the heaviest precipitation occurring during September and October.

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.

Climate change is affecting precipitation patterns worldwide, including Port Noarlunga:

• Changing Rainfall Patterns: Global warming causes drastic changes in the patterns of rainfall. Some areas have been experiencing increased frequency and intensity of rainfall, while other areas experience longer dry spells or even droughts.
• Local Impacts: Many regions are experiencing heavier rainfall in the winter months and drier, hotter summers. This affects agriculture, water resources, and ecosystems.

• The U.S. has a significant number of thunderstorms every year, with over 14.6 million taking place across the world annually.
• Approximately 70% of lightning bolts strike land rather than oceans.
• A storm named John was the longest-lasting Pacific tropical storm, continuing for 31 days. As it crossed the dateline twice, it changed status from a hurricane to a typhoon and back to a hurricane.

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