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During March, La Rioja experiences high daytime temperatures of 27°C (81°F) and cooler nights around 17°C (63°F). Expect quite a bit of rainfall. Around 105 mm (4.1 in) is typical.
If you prefer dry days with pleasant temperatures, April, May, August, September, October and November typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Pick a month to see the average temperature, rainfall and sunshine in La Rioja - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in La Rioja typically drop from around 31°C (88°F) at the start of March to approximately 28°C (82°F) by the end. Nights are pleasant, with lows typically ranging from 17°C (63°F) to 21°C (70°F).
50-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 La Rioja spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on weather observations in La Rioja between 1976 and 2026, these are the recorded extremes during March.
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 weather calls for comfortable, breathable clothing in March. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full La Rioja 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.
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