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This page shows both the average monthly rainfall and the number of rainy days in Rivera, Rivera, Uruguay. Long-term data from 1990 to 2020 was used to calculate these averages. Let's explore the details to provide you with a complete overview.
Rivera has a relatively rainy climate with high precipitation levels, averaging 1577 mm (62 in) of rainfall annually.
Year-round, Rivera has a balanced climate with minimal variation in precipitation. The difference between the wettest month, October, with 169 mm (6.7 in), and the driest month, August, with 108 mm (4.3 in), is minimal.
October, the wettest month, has a maximum daytime temperature of 25°C (77°F). During the driest month August you can expect a temperature of 21°C (70°F). For more detailed insights into the city's temperatures, visit our Rivera Temperature page.
Average daily rainfall for each day of the month based on long-term records. 48-year average (1976-2025)
Browse day-by-day precipitation records for Rivera 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.
Rivera's average annual precipitation is 1577 mm (62 in). Let's compare this to some popular worldwide tourist destinations:
Boston, USA, experiences 1238 mm (49 in) of annual precipitation, including significant snowfall during the winter.
In Shanghai, China, the annual average precipitation is 1347 mm (53 in), with a humid subtropical climate.
In Tokyo, Japan, the average annual precipitation is 1528 mm (60 in), with significant summer rains due to typhoon season.
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 Rivera's weather, including sunshine hours, humidity levels, and temperature data, visit our Rivera Climate page.
Pick a month to see the average temperature, rainfall and sunshine in Rivera - and find the best time to visit.
Temperature Rainfall
See the full Rivera climate overview or explore weather in Uruguay.
Where to go in October - average daytime high across popular destinations.
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