Minami Uonuma Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Minami Uonuma, Niigata Prefecture, 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.

Minami Uonuma has a notably wet climate with abundant precipitation, recording 2414 mm (95 in) of rain/snowfall per year.

Monthly Precipitation Levels

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

While snow/rainfall varies throughout the year, each season offers its own charm. January brings wetter days averaging 262 mm (10 in) of precipitation, spread over 24 snowy/rainy days.

In contrast, April experiences a drier climate, with about 144 mm (5.7 in) of rainfall spread across 17 rainy days.

January, the wettest month, has a maximum daytime temperature of 3°C (37°F). The city receives 49 hours of sunshine in this period. During the driest month April you can expect a temperature of 14°C (57°F). For more detailed insights into the city's temperatures, visit our Minami Uonuma Temperature page.

Minami Uonuma's average annual precipitation is 2414 mm (95 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.

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

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

Bangkok, Thailand, experiences a tropical monsoon climate with 1668 mm (66 in) of annual rainfall, with the heaviest precipitation occurring during September and October.

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.

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