Mount Vernon (WA) Rainfall & Precipitation: Monthly Averages and Year-Round Insights
This page shows both the average monthly rainfall and the number of rainy days in Mount Vernon, Washington State, United States of America. The figures are based on a 30-year period (1990–2020) to provide a reliable average. Let's now guide you through the details for a complete overview.
Mount Vernon experiences significant rain/snowfall throughout the year, averaging 1089 mm of precipitation annually.
Monthly Precipitation Levels
The average number of days each month with precipitation (> 0.2 mm)
Significant seasonal changes in precipitation occur throughout the year. During the wet season, November receives substantial rainfall, averaging 165 mm of precipitation, recorded across 22 rainy days.
In contrast, the drier season, July brings less rainfall, with 23 mm over 7 rainy days.November, the wettest month, has a maximum daytime temperature of 10°C. The city receives 61 hours of sunshine in this period. During the driest month July you can expect a temperature of 23°C. For more detailed insights into the city’s temperatures, visit our Mount Vernon Temperature page.
Annual Precipitation in the United States of America
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.
heavy rainfall
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Amsterdam Precipitation Compared World Wide
Mount Vernon’s average annual precipitation is 1089 mm. Let’s compare this to some popular worldwide tourist destinations:
Seville, Spain, experiences 541 mm of rainfall annually, with wet winters and dry summers typical of southern Spain.
Osaka, Japan, experiences 1507 mm of rainfall annually, spread across the year with wetter summers.
In Tokyo, Japan, the average annual precipitation is 1528 mm, with significant summer rains due to typhoon season.
Bangkok, Thailand, experiences a tropical monsoon climate with 1668 mm of annual rainfall, with the heaviest precipitation occurring during September and October.
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.
Global Warming and Precipitation
Climate change is affecting precipitation patterns worldwide, including Mount Vernon (WA):
- 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.
For more detailed information about Mount Vernon (WA)’s weather, including sunshine hours, humidity levels, and temperature data, visit our Mount Vernon (WA) Climate page.
Current rainfall in Mount Vernon (WA)
