Termas de Reyes Weather in December
December in Termas de Reyes averages 19°C (66°F) during the day and 9°C (48°F) at night. December is part of the rainy season, with around 382 mm (15 in) of rainfall and frequent showers.
Rainfall in Termas de Reyes in December
As part of the rainy season, Termas de Reyes sees around 14 days of rain in December, with an average of 382 mm (15 in). The rain this month falls heavily when it arrives, so waterproofs are worth keeping handy.
Temperature in Termas de Reyes in December
December in Termas de Reyes brings typical temperatures with highs around 19°C (66°F) and lows of 9°C (48°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With overnight lows of 9°C (48°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in Termas de Reyes in December
With approximately 208 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.December in Termas de Reyes 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 Termas de Reyes's climate page.
Termas de Reyes Temperature in December
Min Temperature
9°C (48°F)
Max Temperature
19°C (66°F)
Chance of Rain
48%
Precipitation
382 mm (15 in)
Rainy days
14 days
Humidity
68% *
Sunshine
208 hours *
Percentage Sunshine
54% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Termas de Reyes typically stay consistent throughout December, with daily highs averaging around 19°C (66°F). Nights are pleasant, with lows typically ranging from 16°C (61°F) to 19°C (66°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 Reyes in December
Browse day-by-day weather records for Termas de Reyes spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Termas de Reyes historical weather extremes in December
The extremes listed below come from historical weather data collected in Termas de Reyes from 1976 through 2025.
- The lowest daytime temperature in December was 16°C (61°F), recorded on December 2, 2018.
- The lowest overnight temperature recorded in December was 8°C (46°F) (December 12, 2010).
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
pleasant
tolerable
unpleasant
poor
What to Wear in Termas de Reyes in December
Pleasant temperatures in December 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. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Termas de Reyes 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 Reyes's climate page.
Temperature Rainfall Sunshine Humidity
See the full Termas de Reyes climate overview or explore weather in Argentina.
