Sainte Marie Monthly Rainfall & Precipitation
This page shows both the average monthly rainfall and the number of rainy days in Sainte Marie, Madagascar. This average is based on long-term data collected between 1990 and 2020. Let's explore the details to provide you with a complete overview.
Sainte Marie has a relatively rainy climate with high precipitation levels, averaging 2354 mm (93 in) of rainfall annually. Despite the high annual total, it does experience a distinct rainy season during certain months. Examine our detailed charts below to understand these seasonal patterns.
Monthly Rainfall & Rainy Days
Monthly Precipitation Levels
The average number of days each month with precipitation (> 0.2 mm (0.01 in))
The climate in Sainte Marie shows significant variation throughout the year. Expect 377 mm (15 in) of precipitation during the wettest month February, distributed over 19 rainy days.
In contrast, October offers drier and sunnier days, with around 84 mm (3.3 in) of rainfall over 16 rainy days.
February, the wettest month, has a maximum daytime temperature of 29°C (84°F). During the driest month October you can expect a temperature of 26°C (79°F). For more detailed insights into the city's temperatures, visit our Sainte Marie Temperature page.
Daily Historical Precipitation
Average daily rainfall for each day of the month based on long-term records. 30-year average (1987-2025)
Average precipitation in August
Explore Sainte Marie's Historical Precipitation: 1976-2026
Browse day-by-day precipitation records for Sainte Marie spanning 51 years. Select any month and year to see actual rainfall and snowfall recorded on each day.
Annual Rainfall in Madagascar: City Comparison
The map below shows the annual precipitation across Madagascar. You can also select the different months in case you are interested in a specific month.
Sainte Marie vs World: Rainfall Compared
Sainte Marie's average annual precipitation is 2354 mm (93 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.
Osaka, Japan, experiences 1507 mm (59 in) of rainfall annually, spread across the year with wetter summers.
Melbourne, Australia, has 690 mm (27 in) of rainfall annually, spread fairly evenly throughout the year.
Mumbai, India, experiences a tropical monsoon climate with 1860 mm (73 in) of annual rainfall, with the majority of precipitation happening during the monsoon season from June to September.
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 Sainte Marie's weather, including sunshine hours, humidity levels, and temperature data, visit our Sainte Marie Climate page.
Sainte Marie Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Sainte Marie - and find the best time to visit.
Sainte Marie 3-Day Forecast
Temperature Rainfall
See the full Sainte Marie climate overview or explore weather in Madagascar.
Popular this month
Where to go in August - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
A Robinson Crusoe paradise
Ankazoberavina is an eco lodge located on a private island of Ankazoberavina in the north west of Madagascar. Going to Ankazoberavina is a real privilege, a bucket list experience that can hardly be forgotten.
Go Lemur spotting at Analamazaotra Nature Reserve
Analamazaotra Nature Reserve is probably the best place in Madagascar to see lemurs! Nine different species of lemurs live in the park.