Izumiotsu Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Izumiotsu, Osaka Prefecture, Japan. The numbers reflect climate data gathered over a 30-year period, from 1990 to 2020. Let's explore the details to provide you with a complete overview.

Izumiotsu is known for its substantial rain/snowfall, with annual precipitation reaching 1513 mm (60 in).

Monthly Precipitation Levels

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

Significant seasonal changes in precipitation occur throughout the year. During the wettest month, June receives substantial rainfall, averaging 212 mm (8.3 in) of precipitation, recorded across 18 rainy days.

In contrast, the driest month, January brings less rainfall, with 68 mm (2.7 in) over 17 rainy days.

June, the wettest month, has a maximum daytime temperature of 28°C (82°F). The city receives 156 hours of sunshine in this period. During the driest month January you can expect a temperature of 11°C (52°F). For more detailed insights into the city's temperatures, visit our Izumiotsu 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.

Annual

Annual

Map not visible? Whoops sorry! Please refresh the page.

Legend

heavy rainfall

high

moderate

low

almost none

Heavy annual rainfall has been defined as more than 1000 mm (39 in) precipitation. High: 600 mm (24 in) to 1000 mm (39 in). Moderate: 250 mm (9.8 in) to 600 mm (24 in). Low: less than 250 mm (9.8 in).

Izumiotsu vs World: Rainfall Compared

Izumiotsu's average annual precipitation is 1513 mm (60 in). Let's compare this to some popular worldwide tourist destinations:

In Toronto, Canada, annual precipitation averages 964 mm (38 in), with snowy winters and rainy summers.

Osaka, Japan, experiences 1507 mm (59 in) of rainfall annually, spread across the year with wetter summers.

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

Mumbai, India, experiences a tropical monsoon climate with 1860 mm (73 in) of annual rainfall, with the majority of precipitation happening during the monsoon season from June to September.

How is Precipitation Measured?

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.

Rainy Seasons: Many parts of the world have well-defined wet seasons where precipitation is distinctly higher. These are normally accompanied by lush vegetation and temperature patterns.

Dry Seasons: In areas where the climate is either desert or Mediterranean, the amount of precipitation is drastically reduced, leading to a shortage of water and arid conditions.

Interesting weather facts

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

Current rainfall in Izumiotsu

10-Day Forecast