San Pedro Monthly Rainfall & Precipitation
This page shows both the average monthly rainfall and the number of rainy days in San Pedro, Spain. These values are calculated using 30 years of data (1990–2020) to ensure accuracy. Now, let's explore all the details to give you a full picture.
San Pedro is known for its low rainfall, with yearly precipitation amounts around 241 mm (9.5 in).
Monthly Precipitation Levels
The average number of days each month with precipitation (> 0.2 mm (0.01 in))
The climate in San Pedro shows significant variation throughout the year. Expect 33 mm (1.3 in) of precipitation during the wettest month December, distributed over 5 rainy days.
In contrast, August offers drier and sunnier days, with around 9.7 mm (0.4 in) of rainfall over a single rainy day.
December, the wettest month, has a maximum daytime temperature of 20°C (68°F). The city receives 178 hours of sunshine in this period. During the driest month August you can expect a temperature of 25°C (77°F). For more detailed insights into the city's temperatures, visit our San Pedro Temperature page.
Annual Rainfall in Spain: City Comparison
The map below shows the annual precipitation across Spain. You can also select the different months in case you are interested in a specific month.
heavy rainfall
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moderate
low
almost none
San Pedro vs World: Rainfall Compared
San Pedro's average annual precipitation is 241 mm (9.5 in). Let's compare this to some popular worldwide tourist destinations:
In Barcelona, Spain, the average annual precipitation is 620 mm (24 in), evenly distributed across the year with no extreme wet or dry seasons.
In Shanghai, China, the annual average precipitation is 1347 mm (53 in), with a humid subtropical climate.
Melbourne, Australia, has 690 mm (27 in) of rainfall annually, spread fairly evenly throughout the year.
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 proximity of a location to a large body of water can significantly affect its rainfall patterns:
- Ocean Influence: Coastal regions typically receive more rainfall due to the presence of moisture-laden winds from the ocean. These regions tend to have more humid climates and experience more frequent precipitation, especially in winter.
- Continental Climates: Areas further from the sea, such as inland or continental regions, experience less frequent rainfall and more extreme seasonal variations in precipitation.
- 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 Pedro's weather, including sunshine hours, humidity levels, and temperature data, visit our San Pedro Climate page.
