Iruya Weather in December
December in Iruya typically sees daytime highs of 18°C (64°F) and nighttime lows of 7°C (45°F). December falls within the rainy season, so heavy rainfall is to be expected.
Rainfall in Iruya in December
Iruya is in the rainy season in December, with rain on around 16 days and an average of 222 mm (8.7 in). Rainy season showers tend to be fairly substantial. A good rain jacket or umbrella is worth having with you most days.
Temperature in Iruya in December
December in Iruya brings typical temperatures with highs around 18°C (64°F) and lows of 7°C (45°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With lows around 7°C (45°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.December in Iruya 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.
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 Iruya's climate page.
Iruya Temperature in December
Min Temperature
7°C (45°F)
Max Temperature
18°C (64°F)
Chance of Rain
52%
Precipitation
222 mm (8.7 in)
Rainy days
16 days
Historical weather for Iruya in December
Browse day-by-day weather records for Iruya spanning 21 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Iruya historical weather extremes in December
Based on 19 years of weather observations in Iruya between 2006 and 2025, these are the recorded extremes.
- On December 7, 2010, temperatures climbed to 22°C (72°F), marking the warmest December day on record.
- The coldest December day was on December 13, 2010, with a maximum of 8°C (46°F).
- Iruya registered its coldest December night on December 15, 2010, with temperatures dropping to 1°C (34°F).
- The wettest December day on record brought 32 mm (1.3 in) of precipitation to Iruya (December 4, 2021).
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 Iruya in December
For Iruya 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. Also bring a poncho, it will rain a lot! Waterproof everything you can.What To Do in Iruya 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 Iruya's climate page.
See the full Iruya climate overview or explore weather in Argentina.
