Piriápolis Weather in December
December in Piriápolis brings high temperatures, with daytime highs of 25°C (77°F) and nights around 17°C (63°F). Quite a bit of rainfall is expected, around 77 mm (3 in), so pack an umbrella.
Rainfall in Piriápolis in December
This month experiences about 10 days of rain according to historical data, averaging 77 mm (3 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Piriápolis in December
Piriápolis in December has perfect weather. Days reach 25°C (77°F) and nights cool to 17°C (63°F). The summer season takes place during December. Overall, the month follows a fairly predictable daily temperature pattern. At 17°C (63°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.
Sunshine in Piriápolis in December
There are approximately 288 hours of sunshine this month, resulting in mostly clear days.If you favor pleasant temperatures and minimal rainfall, December is one of the best months to visit Piriápolis.
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 Piriápolis's climate page.
Piriápolis Temperature in December
Min Temperature
17°C (63°F)
Max Temperature
25°C (77°F)
Chance of Rain
32%
Precipitation
77 mm (3 in)
Rainy days
10 days
Sunshine
288 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Piriápolis typically stay consistent throughout December, with daily highs averaging around 25°C (77°F). Nights are pleasant, with lows typically ranging from 15°C (59°F) to 18°C (64°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Piriápolis in December
Browse day-by-day weather records for Piriápolis spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Piriápolis historical weather extremes in December
Based on weather observations in Piriápolis between 1976 and 2025, these are the recorded extremes during December.
- The hottest December day on record in Piriápolis reached 38°C (100°F) (December 26, 2013).
- The coldest December day was on December 2, 2001, with a maximum of 16°C (61°F).
- The lowest overnight temperature recorded in December was 6°C (43°F) (December 11, 2005).
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 Piriápolis in December
For Piriápolis 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. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Piriápolis 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 Piriápolis's climate page.
See the full Piriápolis climate overview or explore weather in Uruguay.
