La Tosca Monthly Rainfall & Precipitation
This page shows both the average monthly rainfall and the number of rainy days in La Tosca, Puerto Rico. 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.
Generally, La Tosca experiences moderate precipitation patterns, averaging 743 mm (29 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))
The seasons in La Tosca, bring significant changes in precipitation. The wettest month, September, receives high rainfall, with an average of 117 mm (4.6 in) of precipitation. This rainfall is distributed across 17 rainy days.
In contrast, the driest month, January, experiences much less rainfall, totaling 24 mm (0.9 in) over 19 rainy days. These distinct seasonal differences provide diverse experiences throughout the year.September, the wettest month, has a maximum daytime temperature of 30°C (86°F). During the driest month January you can expect a temperature of 28°C (82°F). For more detailed insights into the city's temperatures, visit our La Tosca Temperature page.
Explore La Tosca's Historical Precipitation: 1976-2026
Browse day-by-day precipitation records for La Tosca spanning 51 years. Select any month and year to see actual rainfall and snowfall recorded on each day.
Annual Rainfall in Puerto Rico: City Comparison
The map below shows the annual precipitation across Puerto Rico. You can also select the different months in case you are interested in a specific month.
heavy rainfall
high
moderate
low
almost none
La Tosca vs World: Rainfall Compared
La Tosca's average annual precipitation is 743 mm (29 in). Let's compare this to some popular worldwide tourist destinations:
The city of Rome, Italy, has an average annual precipitation of 832 mm (33 in), spread fairly evenly throughout the year.
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.
Kuala Lumpur, Malaysia, receives 2529 mm (100 in) of annual rainfall, characteristic of its equatorial tropical rainforest climate, with consistent rainfall throughout the year and peak months during March and November.
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 La Tosca's weather, including sunshine hours, humidity levels, and temperature data, visit our La Tosca Climate page.