Ganvié Monthly Rainfall & Precipitation
This page shows both the average monthly rainfall and the number of rainy days in Ganvié, Benin. The figures are based on a 30-year period (1990–2020) to provide a reliable average. Let's explore the details to provide you with a complete overview.
Ganvié has a notably wet climate with abundant precipitation, recording 1390 mm (55 in) of rainfall per year.
Monthly Rainfall & Rainy Days
Monthly Precipitation Levels
The average number of days each month with precipitation (> 0.2 mm (0.01 in))
Ganvié can be quite wet during June, receiving approximately 249 mm (9.8 in) of precipitation over 18 rainy days.
In contrast January, experiences much drier conditions, with 33 mm (1.3 in) of rainfall, spread across a single rainy day.
June, the wettest month, has a maximum daytime temperature of 29°C (84°F). The city receives 140 hours of sunshine in this period. During the driest month January you can expect a temperature of 31°C (88°F). For more detailed insights into the city's temperatures, visit our Ganvié Temperature page.
Daily Historical Precipitation
Average daily rainfall for each day of the month based on long-term records. 49-year average (1976-2025)
Average precipitation in September
Explore Ganvié's Historical Precipitation: 1976-2026
Browse day-by-day precipitation records for Ganvié spanning 51 years. Select any month and year to see actual rainfall and snowfall recorded on each day.
Annual Rainfall in Benin: City Comparison
The map below shows the annual precipitation across Benin. You can also select the different months in case you are interested in a specific month.
Ganvié vs World: Rainfall Compared
Ganvié's average annual precipitation is 1390 mm (55 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.
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.
Tropical Rainforests: In tropical regions, rainfall is generally abundant year-round. Areas near the equator, like the Amazon rainforest, can receive up to 3000 mm (118 in) of rain annually.
Desert Regions: Deserts such as the Sahara and Arabian deserts typically see less than 250 mm (9.8 in) of rainfall annually. Rainfall tends to be infrequent, but when it does occur, it is often intense.
Temperate Zones: In temperate regions, precipitation tends to be more evenly distributed, though areas closer to the ocean may see more rain in the winter months, and areas further inland experience drier summers.
Polar Regions: Precipitation in polar regions, like Antarctica, is extremely low, often falling as snow. Average annual precipitation in Antarctica is less than 200 mm (7.9 in), with some areas receiving as little as 50 mm (2 in) annually.
- 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 Ganvié's weather, including sunshine hours, humidity levels, and temperature data, visit our Ganvié Climate page.
Ganvié Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Ganvié - and find the best time to visit.
Ganvié 3-Day Forecast
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Ganvié climate overview or explore weather in Benin.
Popular in September
Where to go in September - average daytime high across popular destinations.
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