Matsumoto Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Matsumoto, Nagano Prefecture, Japan. These averages rely on historical data collected over 30 years, from 1990 to 2020. Let's explore the details to provide you with a complete overview.

Matsumoto has a notably wet climate with abundant precipitation, recording 2061 mm (81 in) of rain/snowfall per year. It does, however, have a distinct rainy season during certain months. Have a look at our detailed charts below to see how precipitation varies throughout the year.

Monthly Precipitation Levels

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

Matsumoto can be quite wet during July, receiving approximately 260 mm (10 in) of precipitation over 22 rainy days.

In contrast December, experiences much drier conditions, with 119 mm (4.7 in) of snow/rainfall, spread across 17 snowy/rainy days.

July, the wettest month, has a maximum daytime temperature of 27°C (81°F). The city receives 170 hours of sunshine in this period. During the driest month December you can expect a temperature of 5°C (41°F). For more detailed insights into the city's temperatures, visit our Matsumoto Temperature page.

Matsumoto's average annual precipitation is 2061 mm (81 in). Let's compare this to some popular worldwide tourist destinations:

In Barcelona, Spain, the average annual precipitation is 644 mm (25 in), evenly distributed across the year with no extreme wet or dry seasons.

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

In Brisbane, Australia, the annual precipitation is 979 mm (39 in), making it wetter than Sydney.

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.

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