Mar de las Pampas Weather in December
December in Mar de las Pampas typically sees daytime highs of 24°C (75°F) and nighttime lows of 16°C (61°F). Rainfall is also possible this month, so it's worth packing an umbrella. It falls within the summer season.
Rainfall in Mar de las Pampas in December
Records from the past 30 years suggest around 9 days of rain, with 71 mm (2.8 in) average for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Mar de las Pampas in December
December in Mar de las Pampas is generally perfect, with days reaching 24°C (75°F) and nights settling around 16°C (61°F). December is known for being in the summer season. Overall, the month follows a fairly predictable daily temperature pattern. With overnight lows of 16°C (61°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.If you're a fan of comfortable temperatures and drier conditions, December is a great time to visit.
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 Mar de las Pampas's climate page.
Mar de las Pampas Temperature in December
Min Temperature
16°C (61°F)
Max Temperature
24°C (75°F)
Chance of Rain
31%
Precipitation
71 mm (2.8 in)
Rainy days
9 days
Humidity
70% *
Historical weather for Mar de las Pampas in December
Browse day-by-day weather records for Mar de las Pampas spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Mar de las Pampas historical weather extremes in December
Based on 19 years of weather observations in Mar de las Pampas between 2006 and 2025, these are the recorded extremes.
- Mar de las Pampas recorded its highest December temperature of 37°C (99°F) on December 30, 2025.
- The coldest December day was on December 6, 2018, with a maximum of 15°C (59°F).
- Mar de las Pampas registered its coldest December night on December 7, 2018, with temperatures dropping to 7°C (45°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
pleasant
tolerable
unpleasant
poor
What to Wear in Mar de las Pampas in December
For Mar de las Pampas in December, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket.What To Do in Mar de las Pampas 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 Mar de las Pampas's climate page.
See the full Mar de las Pampas climate overview or explore weather in Argentina.
