Las Grutas Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Las Grutas.
Climate overview of Las Grutas
Las Grutas, Río Negro, Argentina, sees big temperature differences between seasons, with January peaking at 30°C (86°F) and July dropping to 14°C (57°F).
The city tends toward dry conditions, with around 300 mm (12 in) of rainfall per year. It does, however, have very little rainfall year-round, with warm summers and mild winters.
Las Grutas Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Las Grutas - and find the best time to visit.
Monthly Temperature in Las Grutas
Visitors to Las Grutas can expect significant temperature changes throughout the year. Typically, average maximum daytime temperatures range from a comfortable 30°C (86°F) in January to a moderate 14°C (57°F) in the coolest month, July.
Nights vary from 18°C (64°F) in January to around 4°C (39°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Las Grutas
Las Grutas typically sees modest rainfall throughout the year, with an average annual precipitation of 300 mm (12 in). Las Grutas offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between the wettest month April (31 mm (1.2 in)) and the driest month December (17 mm (0.7 in)) is not too significant. For more details, please visit our Las Grutas Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Water Temperature in Las Grutas
The mean water temperature over the year ranges from 10°C (50°F) in August to 18°C (64°F) in January.
Water temperature over the year
Humidity in Las Grutas by Month
The relative humidity is moderate throughout the year in Las Grutas.
The city experiences its highest humidity in June, reaching 69%. In January, the humidity drops to its lowest level at 47%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Las Grutas
The average wind speed over the year ranges from 3 m/s (6 knots) to 5 m/s (10 knots). It is lower in April and higher in January, November and December. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Las Grutas
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: February, March, April, September, October, November and December
- Warmest weather: January and February
- Warmest water temperature: January, February and March, although the water may still feel cool.
- Seasonal pattern: Very little rainfall year-round, with warm summers and mild winters
Frequently asked questions about the climate in Las Grutas
What is the best time to visit Las Grutas?
February, March, April, September, October, November and December typically offer the most optimal weather in Las Grutas. In contrast, January, May, June, July and August tend to have less optimal conditions. Las Grutas has very little rainfall year-round, with warm summers and mild winters.
What temperatures can I expect in Las Grutas?
Daytime highs range from 14°C (57°F) in July to 30°C (86°F) in January. Nighttime lows range from 4°C (39°F) to 18°C (64°F). Temperatures vary considerably through the year.
How much rain does Las Grutas get?
Annual rainfall is around 300 mm (12 in). April is the wettest month with 31 mm (1.2 in), while December is the driest with 17 mm (0.7 in).
Las Grutas 3-Day Forecast
Las Grutas 3-Day Forecast
Las Grutas on the map
Las Grutas is highlighted - select any city to see its climate.
Popular this month
Where to go in July - average daytime high across popular destinations.
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4°C (39°F) San Martín de los Andes4°C (39°F) 
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