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Balneario Buenos Aires Weather in December
December in Balneario Buenos Aires sees daytime temperatures around 24°C (75°F) and lows of 17°C (63°F) at night. With around 76 mm (3 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Balneario Buenos Aires in December
Expect around 9 days of rain based on historical data, with 76 mm (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 Balneario Buenos Aires in December
Balneario Buenos Aires has excellent weather in December, with days reaching 24°C (75°F) and nights cooling to 17°C (63°F). This kind of day-to-night contrast is typical for this time of year. With lows of 17°C (63°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.
Sunshine in Balneario Buenos Aires in December
Expect a lot of sunshine this month, with about 288 hours of sun. These sunny conditions add to the overall experience.If your ideal day consists of dry skies and pleasant temperatures, January, March, November and December typically offer the best circumstances for Balneario Buenos Aires.
Balneario Buenos Aires Temperature in December
Min Temperature
17°C (63°F)
Max Temperature
24°C (75°F)
Chance of Rain
31%
Precipitation
76 mm (3 in)
Rainy days
9 days
Sunshine
288 hours *
Percentage Sunshine
*
* Data from: Punta del Este, Uruguay (16 KM, 10 Miles).
Balneario Buenos Aires Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Balneario Buenos Aires - and find the best time to visit.
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Balneario Buenos Aires 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
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather records for Balneario Buenos Aires in December
Browse day-by-day weather records for Balneario Buenos Aires spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Balneario Buenos Aires historical weather extremes in December
According to our 45 years of weather records for Balneario Buenos Aires, the following extremes were recorded between 1980 and 2025.
- The hottest December day on record in Balneario Buenos Aires reached 38°C (100°F) (December 31, 2025).
- The coldest December day was on December 18, 1980, with a maximum of 15°C (59°F).
- Balneario Buenos Aires 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
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).
What to Wear in Balneario Buenos Aires 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. Rain gear is recommended, you can expect wet weather on multiple days. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
What To Do in Balneario Buenos Aires in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming9/10 -
Cycling9/10 -
Walking9/10 -
Barbeque8/10 -
Camping8/10 -
Outdoor sports9/10
Balneario Buenos Aires 3-Day Forecast
More climate data for Balneario Buenos Aires
See the full Balneario Buenos Aires climate overview or explore weather in Uruguay.
Popular in December
Where to go in December - average daytime high across popular destinations.
Colonia del Sacramento
27°C (81°F) Montevideo26°C (79°F) La Pedrera
24°C (75°F) José Ignacio24°C (75°F) Piriápolis25°C (77°F) La Paloma23°C (73°F) Punta Del Diablo24°C (75°F) Punta del Este23°C (73°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
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