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This page shows both the average monthly rainfall and the number of rainy days in Piriápolis, Maldonado, Uruguay. Long-term data from 1990 to 2020 was used to calculate these averages. Now, let's break down all the details for a clearer picture.
Piriápolis has a relatively rainy climate with high precipitation levels, averaging 1149 mm (45 in) of rainfall annually.
While rainfall varies throughout the year, each season offers its own charm. April brings wetter days averaging 117 mm (4.6 in) of precipitation, spread over 9 rainy days.
In contrast, January experiences a drier climate, with about 71 mm (2.8 in) of rainfall spread across 11 rainy days.
April, the wettest month, has a maximum daytime temperature of 22°C (72°F). The city receives 182 hours of sunshine in this period. During the driest month January you can expect a temperature of 26°C (79°F). For more detailed insights into the city's temperatures, visit our Piriápolis Temperature page.
Average daily rainfall for each day of the month based on long-term records. 50-year average (1976-2025)
Browse day-by-day precipitation records for Piriápolis spanning 51 years. Select any month and year to see actual rainfall and snowfall recorded on each day.
The map below shows the annual precipitation across Uruguay. You can also select the different months in case you are interested in a specific month.
Piriápolis's average annual precipitation is 1149 mm (45 in). Let's compare this to some popular worldwide tourist destinations:
In Lisbon, Portugal, the average annual precipitation is 774 mm (30 in), characterized by wet winters and dry summers typical of the Mediterranean climate.
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.
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.
For more detailed information about Piriápolis's weather, including sunshine hours, humidity levels, and temperature data, visit our Piriápolis Climate page.
Pick a month to see the average temperature, rainfall and sunshine in Piriápolis - and find the best time to visit.
Temperature Rainfall Sunshine
See the full Piriápolis climate overview or explore weather in Uruguay.
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