Cabo Polonio Weather in December
Cabo Polonio in December sees high temperatures, with highs around 24°C (75°F) and overnight lows of 18°C (64°F). Rainfall is fairly high at around 85 mm (3.3 in) on average, so pack waterproofs just in case.
Rainfall in Cabo Polonio in December
Expect around 10 days of rain based on historical data, with 85 mm (3.3 in) average. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Cabo Polonio in December
December is a perfect month in Cabo Polonio, with 24°C (75°F) during the day and 18°C (64°F) at night. Overall, the month follows a fairly predictable daily temperature pattern. Nights drop to around 18°C (64°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.
Sunshine in Cabo Polonio in December
The month enjoys around 259 hours of sunshine, creating mostly sunny days with good weather conditions.If you favor pleasant temperatures and minimal rainfall, December is one of the best months to visit Cabo Polonio.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Uruguay, check out our Cabo Polonio's climate page.
Cabo Polonio Temperature in December
Min Temperature
18°C (64°F)
Max Temperature
24°C (75°F)
Chance of Rain
32%
Precipitation
85 mm (3.3 in)
Rainy days
10 days
Humidity
72% *
Sunshine
259 hours *
Percentage Sunshine
*
Daily Historical Temperatures
46-year average (1980-2025)
Based on our historical records, temperatures in Cabo Polonio 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).
Average temperatures in December
Daily Historical Precipitation
46-year average (1980-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Cabo Polonio in December
Browse day-by-day weather records for Cabo Polonio spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Cabo Polonio historical weather extremes in December
Based on weather observations in Cabo Polonio between 1981 and 2025, these are the recorded extremes during December.
- The hottest December day on record in Cabo Polonio reached 38°C (100°F) (December 26, 2013).
- The lowest daytime temperature in December was 16°C (61°F), recorded on December 24, 1981.
- Cabo Polonio registered its coldest December night on December 8, 1982, with temperatures dropping to 5°C (41°F).
Best Places in Uruguay in December
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
pleasant
tolerable
unpleasant
poor
What to Wear in Cabo Polonio in December
For Cabo Polonio 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. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Cabo Polonio 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 Uruguay, check out our Cabo Polonio's climate page.
Temperature Rainfall Sunshine Humidity
See the full Cabo Polonio climate overview or explore weather in Uruguay.
