San Marino Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in San Marino, San Marino. These averages rely on historical data collected over 30 years, from 1990 to 2020. Now, let's explore all the details to give you a full picture.

Generally, San Marino experiences moderate precipitation patterns, averaging 898 mm (35 in) yearly.

Monthly Precipitation Levels

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

San Marino can be quite wet during November, receiving approximately 99 mm (3.9 in) of precipitation over 13 rainy days.

In contrast July, experiences much drier conditions, with 44 mm (1.7 in) of rainfall, spread across 8 rainy days.

November, the wettest month, has a maximum daytime temperature of 14°C (57°F). The city receives 97 hours of sunshine in this period. During the driest month July you can expect a temperature of 29°C (84°F). For more detailed insights into the city's temperatures, visit our San Marino Temperature page.

San Marino's average annual precipitation is 898 mm (35 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.

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.

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.

• 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 San Marino's weather, including sunshine hours, humidity levels, and temperature data, visit our San Marino Climate page.