Bois-Jérôme-Saint-Ouen Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Bois-Jérôme-Saint-Ouen, Upper Normandy, France. These values are calculated using 30 years of data (1990–2020) to ensure accuracy. Let's explore the details to provide you with a complete overview.

Generally, Bois-Jérôme-Saint-Ouen receives mid-range precipitation levels, with 744 mm (29 in) annually.

Monthly Precipitation Levels

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

Year-round, Bois-Jérôme-Saint-Ouen has a balanced climate with minimal variation in precipitation. The difference between the wettest month, December, with 76 mm (3 in), and the driest month, September, with 51 mm (2 in), is minimal.

December, the wettest month, has a maximum daytime temperature of 9°C (48°F). The city receives 51 hours of sunshine in this period. During the driest month September you can expect a temperature of 21°C (70°F). For more detailed insights into the city's temperatures, visit our Bois-Jérôme-Saint-Ouen Temperature page.

Bois-Jérôme-Saint-Ouen's average annual precipitation is 744 mm (29 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.

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

Perth, Australia, receives 565 mm (22 in) of rainfall annually, mostly during the winter months.

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.

Climate change is affecting precipitation patterns worldwide, including Bois-Jérôme-Saint-Ouen:

• 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 Bois-Jérôme-Saint-Ouen's weather, including sunshine hours, humidity levels, and temperature data, visit our Bois-Jérôme-Saint-Ouen Climate page.