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This page shows both the average monthly rainfall and the number of rainy days in Playa Santa Ana, Colonia, Uruguay. The figures are based on a 30-year period (1990–2020) to provide a reliable average. Now, let's explore all the details to give you a full picture.
Playa Santa Ana experiences significant rainfall throughout the year, averaging 1122 mm (44 in) of precipitation annually.
Precipitation levels in Playa Santa Ana remain relatively steady throughout the year. February has the most rain, with 120 mm (4.7 in) over 9 days. In May, this drops slightly to 75 mm (3 in), making the city's climate fairly predictable.
February, the wettest month, has a maximum daytime temperature of 28°C (82°F). During the driest month May you can expect a temperature of 19°C (66°F). For more detailed insights into the city's temperatures, visit our Playa Santa Ana 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 Playa Santa Ana 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.
Playa Santa Ana's average annual precipitation is 1122 mm (44 in). Let's compare this to some popular worldwide tourist destinations:
In Toronto, Canada, annual precipitation averages 964 mm (38 in), with snowy winters and rainy summers.
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.
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.
For more detailed information about Playa Santa Ana's weather, including sunshine hours, humidity levels, and temperature data, visit our Playa Santa Ana Climate page.
Pick a month to see the average temperature, rainfall and sunshine in Playa Santa Ana - and find the best time to visit.
Temperature Rainfall
See the full Playa Santa Ana climate overview or explore weather in Uruguay.
Where to go in September - average daytime high across popular destinations.
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