Mattawa Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Mattawa, Canada. 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.

Generally, Mattawa has a moderate amount of precipitation, averaging 987 mm (39 in) of rain/snowfall annually.

Monthly Precipitation Levels

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

The amount of precipitation varies moderately throughout the year. The wettest month, September, sees around 98 mm (3.9 in) of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, February, still receives a respectable 59 mm (2.3 in) of snowfall.

September, the wettest month, has a maximum daytime temperature of 20°C (68°F). During the driest month February you can expect a temperature of -4°C (25°F). For more detailed insights into the city's temperatures, visit our Mattawa Temperature page.

Mattawa's average annual precipitation is 987 mm (39 in). Let's compare this to some popular worldwide tourist destinations:

Chicago, USA, sees an annual precipitation of 1062 mm (42 in), with rain and snow contributing to its humid climate.

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

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

Ho Chi Minh City, Vietnam, receives 1955 mm (77 in) of annual rainfall, with a pronounced wet season from May to November, typical of its tropical monsoon climate.

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 Mattawa's weather, including sunshine hours, humidity levels, and temperature data, visit our Mattawa Climate page.