Osaki Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Osaki, Miyagi, Japan. These averages rely on historical data collected over 30 years, from 1990 to 2020. Let's now guide you through the details for a complete overview.

Osaki has a relatively rain/snowy climate with high precipitation levels, averaging 1443 mm (57 in) of rain/snowfall annually. Despite the high annual total, it does experience a distinct 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))

The seasons in Osaki, bring significant changes in precipitation. The wettest month, July, receives heavy rainfall, with an average of 197 mm (7.8 in) of precipitation. This rainfall is distributed across 20 rainy days.

In contrast, the driest month, February, experiences much less snow/rainfall, totaling 66 mm (2.6 in) over 21 snowy/rainy days. These distinct seasonal differences provide diverse experiences throughout the year.

July, the wettest month, has a maximum daytime temperature of 27°C (81°F). The city receives 124 hours of sunshine in this period. During the driest month February you can expect a temperature of 6°C (43°F). For more detailed insights into the city's temperatures, visit our Osaki Temperature page.

Annual Rainfall in Japan: City Comparison

The map below shows the annual precipitation across Japan. You can also select the different months in case you are interested in a specific month.

Osaki vs World: Rainfall Compared

Osaki's average annual precipitation is 1443 mm (57 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.

Melbourne, Australia, has 690 mm (27 in) of rainfall annually, spread fairly evenly throughout the year.

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.

Precipitation has a very strong role in determining the local climate and ecosystem:

• Changing Rainfall Patterns: Global warming causes drastic changes in the patterns of rainfall. Some areas have been experiencing increased frequency and intensity of rainfall, while other areas experience longer dry spells or even droughts.
• Local Impacts: Many regions are experiencing heavier rainfall in the winter months and drier, hotter summers. This affects agriculture, water resources, and ecosystems.

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