Derby Monthly Rainfall & Precipitation
This page shows both the average monthly rainfall and the number of rainy days in Derby, Tasmania, Australia. This average is based on long-term data collected between 1990 and 2020. Now, let's break down all the details for a clearer picture.
Generally, Derby receives mid-range precipitation levels, with 917 mm (36 in) annually.
Monthly Precipitation Levels
The average number of days each month with precipitation (> 0.2 mm (0.01 in))
Precipitation levels in Derby remain relatively steady throughout the year. August has the most rain, with 91 mm (3.6 in) over 15 days. In April, this drops slightly to 65 mm (2.6 in), making the city's climate fairly predictable.
August, the wettest month, has a maximum daytime temperature of 13°C (55°F). The city receives 171 hours of sunshine in this period. During the driest month April you can expect a temperature of 18°C (64°F). For more detailed insights into the city's temperatures, visit our Derby 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.
heavy rainfall
high
moderate
low
almost none
Derby vs World: Rainfall Compared
Derby's average annual precipitation is 917 mm (36 in). Let's compare this to some popular worldwide tourist destinations:
Boston, USA, experiences 1238 mm (49 in) of annual precipitation, including significant snowfall during the winter.
In Shanghai, China, the annual average precipitation is 1347 mm (53 in), with a humid subtropical climate.
In Brisbane, Australia, the annual precipitation is 979 mm (39 in), making it wetter than Sydney.
Kuala Lumpur, Malaysia, receives 2529 mm (100 in) of annual rainfall, characteristic of its equatorial tropical rainforest climate, with consistent rainfall throughout the year and peak months during March and November.
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.
Tropical Rainforests: In tropical regions, rainfall is generally abundant year-round. Areas near the equator, like the Amazon rainforest, can receive up to 3000 mm (118 in) of rain annually.
Desert Regions: Deserts such as the Sahara and Arabian deserts typically see less than 250 mm (9.8 in) of rainfall annually. Rainfall tends to be infrequent, but when it does occur, it is often intense.
Temperate Zones: In temperate regions, precipitation tends to be more evenly distributed, though areas closer to the ocean may see more rain in the winter months, and areas further inland experience drier summers.
Polar Regions: Precipitation in polar regions, like Antarctica, is extremely low, often falling as snow. Average annual precipitation in Antarctica is less than 200 mm (7.9 in), with some areas receiving as little as 50 mm (2 in) annually.
- Mawsynram in India is noted as being the wettest place on earth, with over 11 meters (36 feet) of rain falling every year.
- In contrast, Antofagasta in Chile is among the driest places on the planet, getting less than 0.1mm (0.004 inches) per year, with some years recording virtually no rainfall.
- Nearly 1,650 thunderstorm cells are estimated over the planet at any given time.
For more detailed information about Derby's weather, including sunshine hours, humidity levels, and temperature data, visit our Derby Climate page.
