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Kawaguchi Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Kawaguchi, Saitama, Japan. Long-term data from 1990 to 2020 was used to calculate these averages. Now, let's break down all the details for a clearer picture.

Kawaguchi has a notably wet climate with abundant precipitation, recording 1497 mm (59 in) of rain/snowfall per year.

Monthly Precipitation Levels

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

Kawaguchi can be quite wet during October, receiving approximately 205 mm (8.1 in) of precipitation over 16 rainy days.

In contrast December, experiences much drier conditions, with 58 mm (2.3 in) of rainfall, spread across 9 rainy days.

October, the wettest month, has a maximum daytime temperature of 23°C (73°F). The city receives 135 hours of sunshine in this period. During the driest month December you can expect a temperature of 13°C (55°F). For more detailed insights into the city's temperatures, visit our Kawaguchi 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
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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).

Kawaguchi vs World: Rainfall Compared

Kawaguchi's average annual precipitation is 1497 mm (59 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.

Beijing, China, receives 560 mm (22 in) of annual precipitation, concentrated in the summer months.

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.

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

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


    Current rainfall in Kawaguchi

    More climate data for Kawaguchi