Sandston (VA) Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Sandston, Virginia, United States of America. 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.

Sandston has a notably wet climate with abundant precipitation, recording 1214 mm (48 in) of rain/snowfall per year.

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. September brings wetter days averaging 126 mm (5 in) of precipitation, spread over 9 rainy days.

In contrast, February experiences a drier climate, with about 67 mm (2.6 in) of rainfall spread across 9 rainy days.

September, the wettest month, has a maximum daytime temperature of 28°C (82°F). The city receives 238 hours of sunshine in this period. During the driest month February you can expect a temperature of 10°C (50°F). For more detailed insights into the city's temperatures, visit our Sandston Temperature page.

Sandston's average annual precipitation is 1214 mm (48 in). Let's compare this to some popular worldwide tourist destinations:

In Lisbon, Portugal, the average annual precipitation is 774 mm (30 in), characterized by wet winters and dry summers typical of the Mediterranean climate.

In Shanghai, China, the annual average precipitation is 1347 mm (53 in), with a humid subtropical climate.

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.

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 Sandston (VA)'s weather, including sunshine hours, humidity levels, and temperature data, visit our Sandston (VA) Climate page.