Gig Harbor (WA) Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Gig Harbor, Washington State, United States of America. These values are calculated using 30 years of data (1990–2020) to ensure accuracy. Let's explore the details to provide you with a complete overview.

Gig Harbor has a relatively rain/snowy climate with high precipitation levels, averaging 1204 mm (47 in) of rain/snowfall annually. Despite the high annual total, it does experience a distinct dry and rainy season during certain months. Examine our detailed charts below to understand these seasonal patterns.

Monthly Precipitation Levels

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

Gig Harbor can be quite wet during November, receiving approximately 208 mm (8.2 in) of precipitation over 20 rainy days.

In contrast July, experiences much drier conditions, with 14 mm (0.6 in) of rainfall, spread across 4 rainy days.

November, the wettest month, has a maximum daytime temperature of 11°C (52°F). The city receives 60 hours of sunshine in this period. During the driest month July you can expect a temperature of 25°C (77°F). For more detailed insights into the city's temperatures, visit our Gig Harbor Temperature page.

Gig Harbor's average annual precipitation is 1204 mm (47 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.

Meanwhile, Buenos Aires, Argentina, enjoys a humid subtropical climate with 1000 mm (39 in) of annual rainfall, mostly in the summer.

Adelaide, Australia, enjoys 511 mm (20 in) of annual precipitation, with dry summers and wet winters.

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.

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