Santa Maria Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Santa Maria, Azores, Portugal. The numbers reflect climate data gathered over a 30-year period, from 1990 to 2020. Now, let's explore all the details to give you a full picture.

Generally, Santa Maria experiences moderate precipitation patterns, averaging 634 mm (25 in) yearly. However, this average masks significant seasonal variation, including a distinct dry season during certain months that are clearly visible in our monthly breakdown below.

Monthly Precipitation Levels

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

The seasons in Santa Maria, bring significant changes in precipitation. The wettest month, December, receives moderate rainfall, with an average of 92 mm (3.6 in) of precipitation. This rainfall is distributed across 15 rainy days.

December, the wettest month, has a maximum daytime temperature of 22°C (72°F). The city receives 108 hours of sunshine in this period. During the driest month July you can expect a temperature of 25°C (77°F). For more detailed insights into the city's temperatures, visit our Santa Maria Temperature page.

Santa Maria's average annual precipitation is 634 mm (25 in). Let's compare this to some popular worldwide tourist destinations:

In Lisbon, Portugal, the average annual precipitation is 774 mm (30 in), characterized by wet winters and dry summers typical of the Mediterranean climate.

In Seoul, South Korea, the average annual precipitation is 1237 mm (49 in), with most rain falling during the summer monsoon season.

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.

• "Ginger" was the longest-lasting Atlantic tropical storm, which spun around the open ocean for 28 days in 1971.
• The world's largest snowflake was recorded in the Guinness Book of Records, at 38 cm (15 inches) wide and 20 cm (7.9 inches) thick. The snowflake fell at Fort Keogh, Montana, USA, on 28 January 1887.
• The greatest snowfall recorded was on Mt. Rainier, Washington State, USA, over 31.5 meters (103 feet) fell during the winter of 1972.

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