Termas de Río Hondo Weather in December
Termas de Río Hondo in December sees very high daytime temperatures of 33°C (91°F) and nighttime lows of 22°C (72°F). As part of the rainy season, showers are frequent and often heavy. Budget around 174 mm (6.9 in) of rainfall for the month.
Rainfall in Termas de Río Hondo in December
Termas de Río Hondo is in the rainy season in December, with rain on around 9 days and an average of 174 mm (6.9 in). Showers during the rainy season tend to be heavy and can come down intensely. An umbrella is often not enough, so a poncho or waterproof jacket is a better choice.
Temperature in Termas de Río Hondo in December
In December, expect very high temperatures in Termas de Río Hondo, with highs of 33°C (91°F) and lows of 22°C (72°F) at night. Sunshine and humidity can make it feel even warmer than the raw temperature suggests. At 22°C (72°F) overnight, nights are warm enough to sit outside comfortably in light clothing. Remember, these are typical temperatures, and certain days could be even hotter. Ensure you wear appropriate clothing to handle the warmth.
Sunshine in Termas de Río Hondo in December
With approximately 227 hours of sunshine, the days are filled with clear skies during the day. Rain typically falls in the afternoon or evening, keeping mornings and early parts of the day sunny.Our weather planner can help you find worldwide destinations with pleasant weather during this period. April, May, June, July, August and September typically offer the best weather for Termas de Río Hondo.
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 Termas de Río Hondo's climate page.
Termas de Río Hondo Temperature in December
Min Temperature
22°C (72°F)
Max Temperature
33°C (91°F)
Chance of Rain
30%
Precipitation
174 mm (6.9 in)
Rainy days
9 days
Humidity
63% *
Sunshine
227 hours *
Percentage Sunshine
53% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Termas de Río Hondo typically stay consistent throughout December, with daily highs averaging around 33°C (91°F). Nights are warm, with lows typically ranging from 19°C (66°F) to 22°C (72°F).
Average temperatures in December
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 December
Historical weather for Termas de Río Hondo in December
Browse day-by-day weather records for Termas de Río Hondo spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Termas de Río Hondo historical weather extremes in December
The extremes listed below come from historical weather data collected in Termas de Río Hondo from 1976 through 2025.
- On December 19, 1995, temperatures climbed to 45°C (113°F), marking the warmest December day on record.
- The coldest night in December in Termas de Río Hondo was on December 13, 2010, with a minimum of 10°C (50°F).
Best Places in Argentina in December
Find out more about the weather in Argentina and which places have the best travel conditions in this month. See all of Argentina in December →
perfect weather
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What to Wear in Termas de Río Hondo in December
Hot weather in December means keeping cool is the priority. Loose-fitting clothes in natural fabrics work best. Pack plenty of shorts, tank tops, and breathable shirts. Don't forget a hat, swimwear, and comfortable sandals. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Termas de Río Hondo in December
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 Termas de Río Hondo's climate page.
Temperature Rainfall Sunshine Humidity
See the full Termas de Río Hondo climate overview or explore weather in Argentina.
