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Colonia del Sacramento Weather in December
Thinking of visiting Colonia del Sacramento in December? Expect high temperatures reaching 27°C (81°F) during the day, dropping to 19°C (66°F) at night, and note that quite a bit of rainfall is likely.
Rainfall in Colonia del Sacramento in December
Historically, approximately 10 days this month are expected to have rain, averaging 85 mm (3.3 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Colonia del Sacramento in December
Weather in Colonia del Sacramento is at its excellent in December. Highs reach 27°C (81°F), while nights settle around 19°C (66°F). December is part of the summer season. This kind of day-to-night contrast is typical for this time of year. At 19°C (66°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 Colonia del Sacramento in December
Enjoy a sunny month with about 273 hours of sunshine, the clear skies make Colonia del Sacramento even more beautiful.If you favor pleasant temperatures and minimal rainfall, December is one of the best months to visit Colonia del Sacramento.
Colonia del Sacramento Temperature in December
Min Temperature
19°C (66°F)
Max Temperature
27°C (81°F)
Chance of Rain
32%
Precipitation
85 mm (3.3 in)
Rainy days
10 days
Humidity
63% *
Sunshine
273 hours *
Percentage Sunshine
*
* Data from: Buenos Aires, Argentina (74 KM, 46 Miles).
Colonia del Sacramento Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Colonia del Sacramento - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Colonia del Sacramento typically stay consistent throughout December, with daily highs averaging around 27°C (81°F). Nights are pleasant, with lows typically ranging from 16°C (61°F) to 19°C (66°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 records for Colonia del Sacramento in December
Browse day-by-day weather records for Colonia del Sacramento spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Colonia del Sacramento historical weather extremes in December
According to our 49 years of weather records for Colonia del Sacramento, the following extremes were recorded between 1976 and 2025.
- The warmest day in December was on December 26, 2013, with a maximum of 38°C (100°F).
- The lowest daytime temperature in December was 17°C (63°F), recorded on December 23, 1984.
- The coldest night in December in Colonia del Sacramento was on December 7, 1982, with a minimum of 7°C (45°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 Colonia del Sacramento in December
Warm temperatures in December make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Colonia del Sacramento in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming9/10 -
Cycling7/10 -
Walking7/10 -
Camping8/10 -
Outdoor sports7/10
Colonia del Sacramento 3-Day Forecast
More climate data for Colonia del Sacramento
Temperature Rainfall Sunshine Humidity
See the full Colonia del Sacramento 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
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