San Gregorio de Polanco
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San Gregorio de Polanco Weather in December

San Gregorio de Polanco in December averages 29°C (84°F) during the day and 17°C (63°F) at night. Keep in mind that quite a bit of rainfall is expected this month.

Rainfall in San Gregorio de Polanco in December

You can expect rain on roughly 10 days based on historical data, averaging 113 mm (4.4 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in San Gregorio de Polanco in December

In December, San Gregorio de Polanco gets high temperatures, with highs of 29°C (84°F). Nights cool to around 17°C (63°F). Overall, the month follows a fairly predictable daily temperature pattern. Nights drop to around 17°C (63°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 San Gregorio de Polanco in December

Expect sunny days throughout the month, with an estimated 287 hours of sunshine. This makes it a pleasant time to visit San Gregorio de Polanco.

Should you favor a climate that's both dry and comfortably warm, March typically offers the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

San Gregorio de Polanco Temperature in December

Min Temperature
17°C (63°F)
Max Temperature
29°C (84°F)
Chance of Rain
33%
Precipitation
113 mm (4.4 in)
Rainy days
10 days
Humidity
62% *
Sunshine
287 hours *
Percentage Sunshine
*
* Data from: Paso de los Toros, Uruguay (67 KM, 41 Miles).

San Gregorio de Polanco Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in San Gregorio de Polanco - and find the best time to visit.

Daily Historical Temperatures

49-year average (1976-2025)

Based on our historical records, temperatures in San Gregorio de Polanco typically rise from around 27°C (81°F) at the start of December to approximately 30°C (86°F) by the end. Nights are pleasant, with lows typically ranging from 16°C (61°F) to 19°C (66°F).

Average temperatures in December

Historical weather records for San Gregorio de Polanco in December

Browse day-by-day weather records for San Gregorio de Polanco spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

San Gregorio de Polanco historical weather extremes in December

Based on 45 years of weather observations (1980-2025), these are the most extreme conditions recorded in San Gregorio de Polanco.

  • The hottest December day on record in San Gregorio de Polanco reached 40°C (104°F) (December 26, 1999).
  • The lowest daytime temperature in December was 16°C (61°F), recorded on December 3, 2001.
  • San Gregorio de Polanco registered its coldest December night on December 13, 2010, with temperatures dropping to 8°C (46°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 San Gregorio de Polanco in December

Warm but pleasant conditions in San Gregorio de Polanco in December. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in San Gregorio de Polanco in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    9/10
  • Cycling
    7/10
  • Walking
    7/10
  • Camping
    6/10
  • Outdoor sports
    7/10

San Gregorio de Polanco 3-Day Forecast

More climate data for San Gregorio de Polanco

Popular in December

Where to go in December - average daytime high across popular destinations.

Bucket list

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