Ogano Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Ogano, Saitama, Japan. This average is based on long-term data collected between 1990 and 2020. Let's now guide you through the details for a complete overview.

Ogano has a notably wet climate with abundant precipitation, recording 2259 mm (89 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))

Significant seasonal changes in precipitation occur throughout the year. During the wettest month, July receives substantial rainfall, averaging 320 mm (13 in) of precipitation, recorded across 22 rainy days.

In contrast, the driest month, December brings less rainfall, with 67 mm (2.6 in) over 9 rainy days.

July, the wettest month, has a maximum daytime temperature of 28°C (82°F). The city receives 165 hours of sunshine in this period. During the driest month December you can expect a temperature of 10°C (50°F). For more detailed insights into the city's temperatures, visit our Ogano Temperature page.

Ogano's average annual precipitation is 2259 mm (89 in). Let's compare this to some popular worldwide tourist destinations:

The climate in San Francisco, USA, is influenced by coastal weather, with 469 mm (18 in) of rainfall mostly during the winter months.

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

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.

Climate change is affecting precipitation patterns worldwide, including Ogano:

• 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.

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