Porto Ercole Monthly Rainfall & Precipitation
This page shows both the average monthly rainfall and the number of rainy days in Porto Ercole, Tuscany, Italy. The figures are based on a 30-year period (1990–2020) to provide a reliable average. Let's now guide you through the details for a complete overview.
Generally, Porto Ercole experiences moderate precipitation patterns, averaging 801 mm (32 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))
Porto Ercole can be quite wet during November, receiving approximately 141 mm (5.6 in) of precipitation over 15 rainy days.
In contrast July, experiences much drier conditions, with 13 mm (0.5 in) of rainfall, spread across 4 rainy days.
November, the wettest month, has a maximum daytime temperature of 18°C (64°F). 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 Porto Ercole 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.
heavy rainfall
high
moderate
low
almost none
Porto Ercole vs World: Rainfall Compared
Porto Ercole's average annual precipitation is 801 mm (32 in). Let's compare this to some popular worldwide tourist destinations:
In Barcelona, Spain, the average annual precipitation is 644 mm (25 in), evenly distributed across the year with no extreme wet or dry seasons.
Meanwhile, Buenos Aires, Argentina, enjoys a humid subtropical climate with 1000 mm (39 in) of annual rainfall, mostly in the summer.
In Brisbane, Australia, the annual precipitation is 979 mm (39 in), making it wetter than Sydney.
Singapore, situated near the equator, gets 2581 mm (102 in) of rainfall annually, with no distinct dry season and consistent monthly precipitation.
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.
Precipitation has a very strong role in determining the local climate and ecosystem:
- Changing Rainfall Patterns: Global warming causes drastic changes in the patterns of rainfall. Some areas have been experiencing increased frequency and intensity of rainfall, while other areas experience longer dry spells or even droughts.
- Local Impacts: Many regions are experiencing heavier rainfall in the winter months and drier, hotter summers. This affects agriculture, water resources, and ecosystems.
- "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 Porto Ercole's weather, including sunshine hours, humidity levels, and temperature data, visit our Porto Ercole Climate page.
