The 10 most alternative cities in South America
Discover South America's top 10 alternative cities! From Valparaíso's vibrant streets to La Paz's high-altitude charm and Medellín's innovative spirit.
With daytime temperatures of 26°C (79°F) and nighttime lows of 15°C (59°F), March in Las Grutas brings high temperatures during the day. The excellent weather makes it an appealing time to visit.
If your ideal day consists of dry skies and pleasant temperatures, February, March, April, September, October, November and December typically offer the best circumstances for Las Grutas.
Pick a month to see the average temperature, rainfall and sunshine in Las Grutas - and find the best time to visit.
48-year average (1976-2025)
Based on our historical records, temperatures in Las Grutas typically drop from around 27°C (81°F) at the start of March to approximately 23°C (73°F) by the end. Nights are pleasant, with lows typically ranging from 12°C (54°F) to 17°C (63°F).
48-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Las Grutas spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Our historical data for Las Grutas spans 1998 to 2026, revealing these weather extremes.
Find out more about the weather in Argentina and which places have the best travel conditions in this month. See all of Argentina in March →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Warm but pleasant conditions in Las Grutas in March. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Light rain is possible, so consider bringing a small umbrella or rain jacket. The water temperature sits at about 17°C (63°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Humidity Wind Speed Water Temp
See the full Las Grutas climate overview or explore weather in Argentina.
Where to go in March - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
The 10 most alternative cities in South America
Discover South America's top 10 alternative cities! From Valparaíso's vibrant streets to La Paz's high-altitude charm and Medellín's innovative spirit.
Warm Days, Cool Nights: 8 Destinations With the Perfect Day-Night Temperature
Prefer warm sunny days but cool evenings? Compare eight destinations with daytime temperatures of around 25–30°C, cooler nights, low rainfall and plenty of sunshine.
Be amazed by Buenos Aires
The city of beautiful museums, cute streets, green parks, lots of good food, interesting local neighborhoods and impressive historical buildings.
Argentina in November: Where to Go for the Best Weather
Compare November weather in Mendoza, Buenos Aires, Cafayate, Bariloche and Ushuaia to find Argentina's warmest, sunniest and driest places.