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La Rioja Weather in May
May in La Rioja typically sees daytime highs of 20°C (68°F) and nighttime lows of 10°C (50°F). Expect some rainfall during the month. It falls within the winter season.
Rainfall in La Rioja in May
Typically, about 2 days will experience rainfall, with an average of 41 mm (1.6 in) for the month. Any rain that does arrive tends to come in a single sharp spell rather than prolonged drizzle.
Temperature in La Rioja in May
May in La Rioja is generally excellent, with days reaching 20°C (68°F) and nights settling around 10°C (50°F). May is part of the winter season. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights drop to 10°C (50°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in La Rioja in May
Expect sunny days throughout the month, with an estimated 203 hours of sunshine. This makes it a pleasant time to visit La Rioja.Our weather planner can help you find worldwide destinations with pleasant weather during this period. April, May, August, September, October and November typically offer the best weather for La Rioja.
La Rioja Temperature in May
Min Temperature
10°C (50°F)
Max Temperature
20°C (68°F)
Chance of Rain
6%
Precipitation
41 mm (1.6 in)
Rainy days
2 days
Humidity
69%
Sunshine
203 hours
Percentage Sunshine
62%
La Rioja Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in La Rioja - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in La Rioja typically drop from around 24°C (75°F) at the start of May to approximately 20°C (68°F) by the end. Nights are cool, with lows typically ranging from 7°C (45°F) to 13°C (55°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather records for La Rioja in May
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.
La Rioja historical weather extremes in May
According to our 50 years of weather records for La Rioja, the following extremes were recorded between 1976 and 2026.
- La Rioja recorded its highest May temperature of 33°C (91°F) on May 6, 1994.
- The coldest May day was on May 29, 2007, with a maximum of 6°C (43°F).
- La Rioja registered its coldest May night on May 29, 2008, with temperatures dropping to -2°C (28°F).
Best Places in Argentina in May
Find out more about the weather in Argentina and which places have the best travel conditions in this month. See all of Argentina in May →
perfect weather
pleasant
tolerable
unpleasant
poor
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).
What to Wear in La Rioja in May
Pleasant temperatures in May mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in La Rioja in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling10/10 -
Walking10/10 -
Camping5/10 -
Outdoor sports10/10
La Rioja 3-Day Forecast
More climate data for La Rioja
Temperature Rainfall Sunshine Humidity
See the full La Rioja climate overview or explore weather in Argentina.
Popular in May
Where to go in May - average daytime high across popular destinations.
Córdoba
21°C (70°F) Buenos Aires20°C (68°F) Villa Carlos Paz19°C (66°F) Salta
18°C (64°F) Mendoza17°C (63°F) Mar del Plata17°C (63°F) San Carlos de Bariloche8°C (46°F) San Martín de los Andes
9°C (48°F) Bucket list
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