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Cabo Polonio Weather in January
January in Cabo Polonio typically sees daytime highs of 25°C (77°F) and nighttime lows of 20°C (68°F). With the least rainfall of the year, it's a reliably dry month. It falls within the summer season.
Rainfall in Cabo Polonio in January
With the driest weather of the year, this month is ideal for outdoor fun. Based on our climate data of the past 30 years, about 11 days of rain are anticipated, with 81 mm (3.2 in) on average. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Cabo Polonio in January
January is a good time to be in Cabo Polonio. Days are excellent, reaching 25°C (77°F), with nights around 20°C (68°F). January is part of the summer season. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights remain mild at 20°C (68°F), making evenings a pleasant time to be outdoors.
Sunshine in Cabo Polonio in January
Expect a lot of sunshine this month, with about 271 hours of sun. These sunny conditions add to the overall experience.If you're inclined towards comfortable temperatures and drier conditions, January is a good time to visit Cabo Polonio.
Cabo Polonio Temperature in January
Min Temperature
20°C (68°F)
Max Temperature
25°C (77°F)
Chance of Rain
38%
Precipitation
81 mm (3.2 in)
Rainy days
11 days
Humidity
74% *
Sunshine
271 hours *
Percentage Sunshine
*
* Data from: Rocha, Uruguay (51 KM, 31 Miles).
Cabo Polonio Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Cabo Polonio - and find the best time to visit.
Daily Historical Temperatures
47-year average (1980-2026)
Based on our historical records, temperatures in Cabo Polonio typically stay consistent throughout January, with daily highs averaging around 25°C (77°F). Nights are pleasant, with lows typically ranging from 16°C (61°F) to 19°C (66°F).
Average temperatures in January
Daily Historical Precipitation
47-year average (1980-2026)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in January
Historical weather records for Cabo Polonio in January
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 January
Based on 44 years of weather observations (1981-2025), these are the most extreme conditions recorded in Cabo Polonio.
- Cabo Polonio recorded its highest January temperature of 39°C (102°F) on January 14, 2022.
- Cabo Polonio experienced its chilliest January day on January 10, 1999, reaching only 15°C (59°F).
- The coldest night in January in Cabo Polonio was on January 27, 2005, with a minimum of 7°C (45°F).
Best Places in Uruguay in January
Find out more about the weather in Uruguay and which places have the best travel conditions in this month. See all of Uruguay in January →
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 Cabo Polonio in January
Warm but pleasant conditions in Cabo Polonio in January. 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. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
What To Do in Cabo Polonio in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
-
Swimming9/10 -
Cycling7/10 -
Walking7/10 -
Camping8/10 -
Outdoor sports7/10
Cabo Polonio 3-Day Forecast
More climate data for Cabo Polonio
Temperature Rainfall Sunshine Humidity
See the full Cabo Polonio climate overview or explore weather in Uruguay.
Popular in January
Where to go in January - average daytime high across popular destinations.
Colonia del Sacramento
28°C (82°F) Montevideo27°C (81°F) Piriápolis26°C (79°F) José Ignacio26°C (79°F) La Pedrera26°C (79°F) La Paloma25°C (77°F) Punta Del Diablo
25°C (77°F) Punta del Este25°C (77°F) Bucket list
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