Santiago del Estero Province Weather in December

Average temperatures, rainfall, sunshine and the best places to visit in Santiago del Estero Province, Argentina in December.

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Termas de Río Hondo Santiago del Estero

Planning a getaway to Santiago del Estero Province, Argentina this December and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What to Expect in Santiago del Estero Province in December

Santiago del Estero Province, Argentina is a region in Argentina. December in Santiago del Estero Province generally has very warm temperatures, with precipitation levels ranging from high to heavy. The month of December is in the summer season.

Temperatures

You can expect very warm maximum daytime temperatures of around 33°C (91°F) and nighttime temperatures around 22°C (72°F) in Termas de Río Hondo. In Santiago del Estero Province, Argentina, December typically stands out as the hottest month of the year. If you're planning a visit during this time, it would be wise to come prepared. Packing light and breathable summer cloths will ensure you stay comfortable throughout your stay.

For a closer look at conditions across Santiago del Estero Province, Argentina, refer to the map below.

Precipitation

In December, precipitation varies across different areas. From high rainfall in Santiago del Estero with an average of 136 mm (5.4 in) to heavy rainfall in Termas de Río Hondo with 174 mm (6.9 in).

Average sunshine

Most destinations offer generous amounts of sunshine this December. For example, Termas de Río Hondo gets approximately 227 hours of sunlight, perfect for anyone wanting bright, sunny days.

Explore Santiago del Estero Province by month

Pick a month to see the average temperature, rainfall and sunshine in Santiago del Estero Province — and find the best time to visit. (based on Termas de Río Hondo)

January33°C (91°F) February32°C (90°F) March30°C (86°F) April27°C (81°F) May24°C (75°F) June21°C (70°F) This monthJuly22°C (72°F) August25°C (77°F) September28°C (82°F) October31°C (88°F) November32°C (90°F) December33°C (91°F)
Best Time to Visit Santiago del Estero Province →

Best Places to Visit in Santiago del Estero Province in December

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Santiago del Estero Province.

Conditions Temperatures Precipitation
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).

Popular Destinations in Santiago del Estero Province

What is the weather like in December for some of the most popular destinations in Santiago del Estero Province, Argentina?

Temperature range in Santiago del Estero Province (December)

Precipitation variation in Santiago del Estero Province (December)

Termas de Río Hondo

In December Termas de Río Hondo generally has very high temperatures with maximum daytime temperatures around 33°C (91°F), minimum nighttime temperatures around 22°C (72°F) and heavy monthly rainfall. So on average the conditions are tolerable that month.

« November
December
January »
November
December
January
Max temperature
32°C (90°F)
33°C (91°F)
33°C (91°F)
Min temperature
20°C (68°F)
22°C (72°F)
22°C (72°F)
Monthly sun hours
235 hours
227 hours
240 hours
Monthly rainfall
113 mm (4.4 in)
174 mm (6.9 in)
215 mm (8.5 in)
Monthly rainy days
7 days
9 days
10 days
Weather conditions
tolerable
tolerable
poor
Climate in Termas de Río Hondo →

Santiago del Estero

In December Santiago del Estero generally has very high temperatures with maximum daytime temperatures around 34°C (93°F), minimum nighttime temperatures around 22°C (72°F) and high monthly rainfall. So on average the conditions are unpleasant that month.

« November
December
January »
November
December
January
Max temperature
33°C (91°F)
34°C (93°F)
35°C (95°F)
Min temperature
20°C (68°F)
22°C (72°F)
23°C (73°F)
Monthly sun hours
235 hours
227 hours
240 hours
Monthly rainfall
91 mm (3.6 in)
136 mm (5.4 in)
153 mm (6 in)
Monthly rainy days
7 days
9 days
10 days
Weather conditions
pleasant
unpleasant
poor
Climate in Santiago del Estero →

Is your destination not in the list? Have a look at all destinations in Santiago del Estero Province, in Argentina.

In our records: Argentina December extremes

Notable December records observed across cities in Argentina in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the warmest December day in Argentina reached 48°C (118°F) in Santiago del Estero on December 19, 1995.

Popular cities in December

Day & night temperatures, rainfall and average weather in Santiago del Estero Province in December.

City Weather Day temp Night temp Rainfall
Termas de Río Hondo 33°C (91°F) 22°C (72°F) 174 mm (6.9 in)
Santiago del Estero 34°C (93°F) 22°C (72°F) 136 mm (5.4 in)

Santiago del Estero Province weather in December: frequently asked questions

What is the weather like in Santiago del Estero Province, Argentina in December?

Expect poor weather across Santiago del Estero Province, Argentina in December. The popular destination of Termas de Río Hondo averages 33°C (91°F) by day and 22°C (72°F) at night during this summer month.

What is the average temperature in Santiago del Estero Province, Argentina in December?

In Termas de Río Hondo, the average daytime high in December is 33°C (91°F), while nighttime temperatures drop to around 22°C (72°F).

Does Santiago del Estero Province, Argentina get a lot of rain in December?

Expect plenty of rainfall. Termas de Río Hondo records an average of 174 mm (6.9 in) in December, putting it among the wetter months for Santiago del Estero Province, Argentina.

Is December a Good Time to Visit Santiago del Estero Province, Argentina?

In our opinion, December may not be the ideal time to visit Santiago del Estero Province, Argentina due to the typically tolerable weather in Termas de Río Hondo.

On average, the best time to visit Santiago del Estero Province, Argentina is in April, May, June, July, August and September with generally perfect weather in Termas de Río Hondo. On the other hand, the weather in January, February and December tend to be poor.

Interested in more climate information?

We have much more information about the climate in Santiago del Estero Province.

Weather and climate has detailed information for every country in the world. Are you going to Argentina? Get detailed historical weather averages for many cities in Argentina.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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