Tigard (OR) Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Tigard, Oregon, United States of America. These averages rely on historical data collected over 30 years, from 1990 to 2020. Now, let's break down all the details for a clearer picture.

Tigard has a relatively rain/snowy climate with high precipitation levels, averaging 1082 mm (43 in) of rain/snowfall annually. Despite the high annual total, it does experience a distinct dry 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))

Tigard can be quite wet during December, receiving approximately 188 mm (7.4 in) of precipitation over 20 rainy days.

In contrast August, experiences much drier conditions, with 9.9 mm (0.4 in) of rainfall, spread across 3 rainy days.

December, the wettest month, has a maximum daytime temperature of 8°C (46°F). The city receives 64 hours of sunshine in this period. During the driest month August you can expect a temperature of 28°C (82°F). For more detailed insights into the city's temperatures, visit our Tigard Temperature page.

Tigard's average annual precipitation is 1082 mm (43 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.

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.

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.

• Mawsynram in India is noted as being the wettest place on earth, with over 11 meters (36 feet) of rain falling every year.
• In contrast, Antofagasta in Chile is among the driest places on the planet, getting less than 0.1mm (0.004 inches) per year, with some years recording virtually no rainfall.
• Nearly 1,650 thunderstorm cells are estimated over the planet at any given time.

For more detailed information about Tigard (OR)'s weather, including sunshine hours, humidity levels, and temperature data, visit our Tigard (OR) Climate page.