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José Ignacio in December sees high daytime temperatures of 24°C (75°F) and nighttime lows of 17°C (63°F). Rainfall is fairly high this month at around 78 mm (3.1 in), so pack a rain jacket to stay dry.
If you favor pleasant temperatures and minimal rainfall, December is one of the best months to visit José Ignacio.
Pick a month to see the average temperature, rainfall and sunshine in José Ignacio - and find the best time to visit.
49-year average (1976-2025)
Based on our historical records, temperatures in José Ignacio typically stay consistent throughout December, with daily highs averaging around 24°C (75°F). Nights are pleasant, with lows typically ranging from 14°C (57°F) to 18°C (64°F).
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for José Ignacio spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on 45 years of weather observations (1980-2025), these are the most extreme conditions recorded in José Ignacio.
Find out more about the weather in Uruguay and which places have the best travel conditions in this month. See all of Uruguay in December →
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).
Comfortable temperatures call for an easy wardrobe in December. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
See the full José Ignacio climate overview or explore weather in Uruguay.
Where to go in December - average daytime high across popular destinations.
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