Santa Maria Island Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Santa Maria Island, Azores, Portugal. 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.

Generally, Santa Maria Island has a moderate amount of precipitation, averaging 751 mm (30 in) of rainfall annually. However, it does experience a distinct dry season during certain months. Take a look at our detailed charts below to see the seasonal variation.

Monthly Precipitation Levels

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

The seasons in Santa Maria Island, bring significant changes in precipitation. The wettest month, December, receives high rainfall, with an average of 111 mm (4.4 in) of precipitation. This rainfall is distributed across 16 rainy days.

December, the wettest month, has a maximum daytime temperature of 19°C (66°F). The city receives 106 hours of sunshine in this period. During the driest month July you can expect a temperature of 23°C (73°F). For more detailed insights into the city's temperatures, visit our Santa Maria Island Temperature page.

Santa Maria Island's average annual precipitation is 751 mm (30 in). Let's compare this to some popular worldwide tourist destinations:

Athens, Greece, receives an average annual precipitation of 400 mm (16 in), making it one of the drier Mediterranean climates with rainfall mostly in winter.

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

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.

• 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 Santa Maria Island's weather, including sunshine hours, humidity levels, and temperature data, visit our Santa Maria Island Climate page.