Riobamba Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Riobamba, Chimborazo Province, Ecuador. This average is based on long-term data collected between 1990 and 2020. Now, let's break down all the details for a clearer picture.

Riobamba has a relatively rain/snowy climate with high precipitation levels, averaging 2074 mm (82 in) of rain/snowfall 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 Precipitation Levels

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

Riobamba can be quite wet during March, receiving approximately 255 mm (10 in) of precipitation over 15 rainy days.

In contrast August, experiences much drier conditions, with 80 mm (3.1 in) of rainfall, spread across 10 rainy days.

March, the wettest month, has a maximum daytime temperature of 15°C (59°F). The city receives 50 hours of sunshine in this period. During the driest month August you can expect a temperature of 14°C (57°F). For more detailed insights into the city's temperatures, visit our Riobamba Temperature page.

Riobamba's average annual precipitation is 2074 mm (82 in). Let's compare this to some popular worldwide tourist destinations:

Seville, Spain, experiences 541 mm (21 in) of rainfall annually, with wet winters and dry summers typical of southern Spain.

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

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

Kuala Lumpur, Malaysia, receives 2529 mm (100 in) of annual rainfall, characteristic of its equatorial tropical rainforest climate, with consistent rainfall throughout the year and peak months during March and November.

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 Riobamba:

• 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.

• Mawsynram in India is noted as being the wettest place on earth, with over 11 meters (36 feet) of rain falling every year.
• In contrast, Antofagasta in Chile is among the driest places on the planet, getting less than 0.1mm (0.004 inches) per year, with some years recording virtually no rainfall.
• Nearly 1,650 thunderstorm cells are estimated over the planet at any given time.

For more detailed information about Riobamba's weather, including sunshine hours, humidity levels, and temperature data, visit our Riobamba Climate page.