San Giacomo Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in San Giacomo, Trentino Alto Adige, Italy. These values are calculated using 30 years of data (1990–2020) to ensure accuracy. Let's now guide you through the details for a complete overview.

San Giacomo has a relatively rain/snowy climate with high precipitation levels, averaging 1390 mm (55 in) of rain/snowfall annually.

Monthly Precipitation Levels

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

The climate in San Giacomo shows significant variation throughout the year. Expect 170 mm (6.7 in) of precipitation during the wettest month June, distributed over 20 rainy days.

In contrast, January offers drier and sunnier days, with around 73 mm (2.9 in) of snowfall over 16 snowy days.

June, the wettest month, has a maximum daytime temperature of 15°C (59°F). The city receives 166 hours of sunshine in this period. During the driest month January you can expect a temperature of -4°C (25°F). For more detailed insights into the city's temperatures, visit our San Giacomo Temperature page.

Annual Rainfall in Italy: City Comparison

The map below shows the annual precipitation across Italy. You can also select the different months in case you are interested in a specific month.

Annual

Annual

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Legend

heavy rainfall

high

moderate

low

almost none

Heavy annual rainfall has been defined as more than 1000 mm (39 in) precipitation. High: 600 mm (24 in) to 1000 mm (39 in). Moderate: 250 mm (9.8 in) to 600 mm (24 in). Low: less than 250 mm (9.8 in).

San Giacomo vs World: Rainfall Compared

San Giacomo's average annual precipitation is 1390 mm (55 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.

Melbourne, Australia, has 690 mm (27 in) of rainfall annually, spread fairly evenly throughout the year.

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.

How is Precipitation Measured?

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.

Rainy Seasons: Many parts of the world have well-defined wet seasons where precipitation is distinctly higher. These are normally accompanied by lush vegetation and temperature patterns.

Dry Seasons: In areas where the climate is either desert or Mediterranean, the amount of precipitation is drastically reduced, leading to a shortage of water and arid conditions.

Interesting weather facts

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

Current rainfall in San Giacomo

10-Day Forecast