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Trussville (AL) Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Trussville, Alabama, United States of America. These values are calculated using 30 years of data (1990–2020) to ensure accuracy. Now, let's break down all the details for a clearer picture.

Trussville experiences significant rain/snowfall throughout the year, averaging 1499 mm (59 in) of precipitation annually.

Monthly Precipitation Levels

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

While rainfall varies throughout the year, each season offers its own charm. December brings wetter days averaging 162 mm (6.4 in) of precipitation, spread over 12 rainy days.

In contrast, October experiences a drier climate, with about 85 mm (3.3 in) of rainfall spread across 8 rainy days.

December, the wettest month, has a maximum daytime temperature of 14°C (57°F). The city receives 155 hours of sunshine in this period. During the driest month October you can expect a temperature of 23°C (73°F). For more detailed insights into the city's temperatures, visit our Trussville Temperature page.

Annual Rainfall in the United States of America: City Comparison

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

Annual
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Legend heavy rainfall high moderate low almost none
Heavy annual rainfall has been defined as more than 1000 mm (39 in) precipitation. High: 600 mm (24 in) to 1000 mm (39 in). Moderate: 250 mm (9.8 in) to 600 mm (24 in). Low: less than 250 mm (9.8 in).

Trussville vs World: Rainfall Compared

Trussville's average annual precipitation is 1499 mm (59 in). Let's compare this to some popular worldwide tourist destinations:

In Barcelona, Spain, the average annual precipitation is 620 mm (24 in), evenly distributed across the year with no extreme wet or dry seasons.

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

Melbourne, Australia, has 690 mm (27 in) of rainfall annually, spread fairly evenly throughout the year.

Mumbai, India, experiences a tropical monsoon climate with 1860 mm (73 in) of annual rainfall, with the majority of precipitation happening during the monsoon season from June to September.

How is Precipitation Measured?

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.

How Does Precipitation Affect Local Climate?

Precipitation has a very strong role in determining the local climate and ecosystem:

  • 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.
Interesting weather facts

  • 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 Trussville (AL)'s weather, including sunshine hours, humidity levels, and temperature data, visit our Trussville (AL) Climate page.


Current rainfall in Trussville (AL)

More climate data for Trussville