Austin (TX) Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Austin, Texas, United States of America. These averages rely on historical data collected over 30 years, from 1990 to 2020. Let's now guide you through the details for a complete overview.

Generally, Austin experiences moderate precipitation patterns, averaging 913 mm (36 in) yearly.

Monthly Precipitation Levels

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

Austin can be quite wet during May, receiving approximately 143 mm (5.6 in) of precipitation over 9 rainy days.

In contrast February, experiences much drier conditions, with 31 mm (1.2 in) of rainfall, spread across 6 rainy days.

May, the wettest month, has a maximum daytime temperature of 30°C (86°F). The city receives 227 hours of sunshine in this period. During the driest month February you can expect a temperature of 19°C (66°F). For more detailed insights into the city's temperatures, visit our Austin Temperature page.

Austin's average annual precipitation is 913 mm (36 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.

In Tokyo, Japan, the average annual precipitation is 1528 mm (60 in), with significant summer rains due to typhoon season.

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.

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