São Lourenço do Douro Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in São Lourenço do Douro, Norte Region, Portugal. 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.

São Lourenço do Douro has a relatively rainy climate with high precipitation levels, averaging 1487 mm (59 in) of rainfall annually. Despite the high annual total, it does experience a distinct dry and 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))

The climate in São Lourenço do Douro shows significant variation throughout the year. Expect 191 mm (7.5 in) of precipitation during the wettest month December, distributed over 15 rainy days.

In contrast, July offers drier and sunnier days, with around 31 mm (1.2 in) of rainfall over 6 rainy days.

December, the wettest month, has a maximum daytime temperature of 13°C (55°F). The city receives 124 hours of sunshine in this period. During the driest month July you can expect a temperature of 27°C (81°F). For more detailed insights into the city's temperatures, visit our São Lourenço do Douro Temperature page.

São Lourenço do Douro's average annual precipitation is 1487 mm (59 in). Let's compare this to some popular worldwide tourist destinations:

In Toronto, Canada, annual precipitation averages 964 mm (38 in), with snowy winters and rainy summers.

Osaka, Japan, experiences 1507 mm (59 in) of rainfall annually, spread across the year with wetter summers.

In Brisbane, Australia, the annual precipitation is 979 mm (39 in), making it wetter than Sydney.

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.

• 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 São Lourenço do Douro's weather, including sunshine hours, humidity levels, and temperature data, visit our São Lourenço do Douro Climate page.