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Santiago del Estero in January averages 35°C (95°F) during the day and 23°C (73°F) at night. This is the wettest month of the year.
January in Santiago del Estero has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Pick a month to see the average temperature, rainfall and sunshine in Santiago del Estero - and find the best time to visit.
51-year average (1976-2026)
Based on our historical records, temperatures in Santiago del Estero typically stay consistent throughout January, with daily highs averaging around 35°C (95°F). Nights are warm, with lows around 21°C (70°F).
51-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Santiago del Estero spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on weather observations in Santiago del Estero between 1976 and 2025, these are the recorded extremes during 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 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).
Get ready for hot weather in January! Lightweight, breathable fabrics are your best friend during this month. Cotton and linen shirts, shorts, sundresses, and sandals will keep you comfortable. Light colors help reflect the heat, avoid wearing black. Also bring a poncho, it will rain a lot! Waterproof everything you can. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Santiago del Estero climate overview or explore weather in Argentina.
Where to go in January - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
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