La Rioja Weather in January
January in La Rioja sees daytime temperatures around 31°C (88°F) and lows of 20°C (68°F) at night. As the wettest month of the year, keep in mind that rainfall is at its highest.
Rainfall in La Rioja in January
It's the month with the heaviest rainfall, so an umbrella is a must to navigate the wet weather. Analyzing past climate data, one can expect approximately 9 days of rain, averaging 145 mm (5.7 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in La Rioja in January
If you're visiting La Rioja in January, expect highs of 31°C (88°F) and overnight lows around 20°C (68°F). For most visitors, the main thing to prepare for is the heat during the day. At 20°C (68°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping. Keep in mind that temperatures can exceed these averages. Dress for the heat and stay hydrated, especially during peak sun hours.
Sunshine in La Rioja in January
The month enjoys around 266 hours of sunshine, creating mostly sunny days with good weather conditions.January in La Rioja can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Argentina, check out our La Rioja's climate page.
La Rioja Temperature in January
Min Temperature
20°C (68°F)
Max Temperature
31°C (88°F)
Chance of Rain
29%
Precipitation
145 mm (5.7 in)
Rainy days
9 days
Humidity
62%
Sunshine
266 hours
Percentage Sunshine
62%
Daily Historical Temperatures
51-year average (1976-2026)
Based on our historical records, temperatures in La Rioja typically stay consistent throughout January, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 22°C (72°F).
Average temperatures in January
Daily Historical Precipitation
51-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in January
Historical weather for La Rioja in January
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 January
The extremes listed below come from historical weather data collected in La Rioja from 1976 through 2025.
- The hottest January day on record in La Rioja reached 44°C (111°F) (January 15, 2022).
- The coldest January day was on January 31, 1977, with a maximum of 18°C (64°F).
- The coldest night in January in La Rioja was on January 31, 1988, with a minimum of 12°C (54°F).
Best Places in Argentina in January
Find out more about the weather in Argentina and which places have the best travel conditions in this month. See all of Argentina in January →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in La Rioja in January
Warm temperatures in January make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in La Rioja in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Argentina, check out our La Rioja's climate page.
Temperature Rainfall Sunshine Humidity
See the full La Rioja climate overview or explore weather in Argentina.
