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This page shows both the average monthly rainfall and the number of rainy days in Las Grutas, Río Negro, Argentina. Long-term data from 1990 to 2020 was used to calculate these averages. Now, let's explore all the details to give you a full picture.
Las Grutas has a relatively dry climate with low precipitation, averaging 300 mm (12 in) of rainfall annually. It experiences a distinct dry season during certain months. Refer to our detailed charts below to see the seasonal variation.
The amount of precipitation varies moderately throughout the year. The wettest month, April, sees around 31 mm (1.2 in) of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, December, still receives a respectable 17 mm (0.7 in) of rainfall.
April, the wettest month, has a maximum daytime temperature of 22°C (72°F). During the driest month December you can expect a temperature of 28°C (82°F). For more detailed insights into the city's temperatures, visit our Las Grutas 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 Las Grutas 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 Argentina. You can also select the different months in case you are interested in a specific month.
Las Grutas's average annual precipitation is 300 mm (12 in). Let's compare this to some popular worldwide tourist destinations:
Seville, Spain, experiences 541 mm (21 in) of rainfall annually, with wet winters and dry summers typical of southern Spain.
Meanwhile, Buenos Aires, Argentina, enjoys a humid subtropical climate with 1000 mm (39 in) of annual rainfall, mostly in the summer.
Melbourne, Australia, has 690 mm (27 in) of rainfall annually, spread fairly evenly throughout the year.
Singapore, situated near the equator, gets 2581 mm (102 in) of rainfall annually, with no distinct dry season and consistent monthly precipitation.
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 Las Grutas's weather, including sunshine hours, humidity levels, and temperature data, visit our Las Grutas Climate page.
Pick a month to see the average temperature, rainfall and sunshine in Las Grutas - and find the best time to visit.
Temperature Rainfall Humidity Wind Speed Water Temp
See the full Las Grutas climate overview or explore weather in Argentina.
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