Mukilteo (WA) Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Mukilteo, Washington State, 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.

Generally, Mukilteo experiences moderate precipitation patterns, averaging 987 mm (39 in) yearly. However, this average masks significant seasonal variation, including a distinct dry season during certain months that are clearly visible in our monthly breakdown below.

Monthly Precipitation Levels

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

Significant seasonal changes in precipitation occur throughout the year. During the wettest month, November receives substantial rainfall, averaging 146 mm (5.7 in) of precipitation, recorded across 21 rainy days.

In contrast, the driest month, July brings less rainfall, with 18 mm (0.7 in) over 7 rainy days.

November, the wettest month, has a maximum daytime temperature of 10°C (50°F). The city receives 73 hours of sunshine in this period. During the driest month July you can expect a temperature of 22°C (72°F). For more detailed insights into the city's temperatures, visit our Mukilteo Temperature page.

Mukilteo's average annual precipitation is 987 mm (39 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.

Osaka, Japan, experiences 1507 mm (59 in) of rainfall annually, spread across the year with wetter summers.

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

Singapore, situated near the equator, gets 2581 mm (102 in) of rainfall annually, with no distinct dry season and consistent monthly precipitation.

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