Saint-Étienne-du-Rouvray Monthly Rainfall & Precipitation
This page shows both the average monthly rainfall and the number of rainy days in Saint-Étienne-du-Rouvray, Upper Normandy, France. These values are calculated using 30 years of data (1990–2020) to ensure accuracy. Now, let's break down all the details for a clearer picture.
Generally, Saint-Étienne-du-Rouvray has a moderate amount of precipitation, averaging 801 mm (32 in) of rain/snowfall annually.
Monthly Precipitation Levels
The average number of days each month with precipitation (> 0.2 mm (0.01 in))
Precipitation levels in Saint-Étienne-du-Rouvray remain relatively steady throughout the year. December has the most rain, with 82 mm (3.2 in) over 16 days. In September, this drops slightly to 56 mm (2.2 in), making the city's climate fairly predictable.
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 Saint-Étienne-du-Rouvray Temperature page.
Annual Rainfall in France: City Comparison
The map below shows the annual precipitation across France. You can also select the different months in case you are interested in a specific month.
heavy rainfall
high
moderate
low
almost none
Saint-Étienne-du-Rouvray vs World: Rainfall Compared
Saint-Étienne-du-Rouvray's average annual precipitation is 801 mm (32 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.
Meanwhile, Buenos Aires, Argentina, enjoys a humid subtropical climate with 1000 mm (39 in) of annual rainfall, mostly in the summer.
Adelaide, Australia, enjoys 511 mm (20 in) of annual precipitation, with dry summers and wet winters.
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 Saint-Étienne-du-Rouvray:
- 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 Saint-Étienne-du-Rouvray's weather, including sunshine hours, humidity levels, and temperature data, visit our Saint-Étienne-du-Rouvray Climate page.
