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San Carlos Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit San Carlos.
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Climate overview of San Carlos
San Carlos, in Maldonado, Uruguay, experiences a humid subtropical climate with moderate seasonal temperature variation. The area has warm summers and mild winters with the region receiving high levels of precipitation fairly well distributed throughout the year.
This special town attracts visitors with its colonial architecture and proximity to Punta del Este's famous beaches and resorts. Let's now guide you through the climate details for a complete overview on the best time to visit.
San Carlos Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in San Carlos - and find the best time to visit.
Monthly Temperature in San Carlos
Visitors to San Carlos can expect significant temperature changes throughout the year. On average, daytime temperatures range from a comfortable 27°C (81°F) in January to a moderate 15°C (59°F) in July.
Nighttime temperatures range from 19°C (66°F) in January to 8°C (46°F) in July.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in San Carlos
San Carlos is known for its substantial rainfall, with annual precipitation reaching 1159 mm (46 in). The wettest period in San Carlos occurs in April, which receives around 114 mm (4.5 in) of precipitation. During the driest month, January, San Carlos experiences moderate rainfall, totaling 77 mm (3 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate. For more details, please visit our San Carlos Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in San Carlos
In San Carlos, summer days are longer and more sunny, with daily sunshine hours peaking at 9.6 hours in December. As the darker season arrives, the brightness of the sun becomes less. June sees a soft sun for only 3.5 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Punta del Este, Uruguay (18 KM, 11 Miles).
Daily hours of sunshine
Data from: Punta del Este, Uruguay (18 KM, 11 Miles).
Best Time to Visit San Carlos
Conditions in San Carlos are generally most comfortable in January, March, November and December. They are typically least comfortable in June, July and August.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
excellent
Feb
very good
Mar
excellent
Apr
very good
May
very good
Jun
mixed
Jul
mixed
Aug
mixed
Sep
very good
Oct
very good
Nov
excellent
Dec
excellent
- Best overall: January, March, November and December
- Warmest weather: January, February and December
- Most sunshine: December
- Seasonal pattern: Warm summers and mild winters
Frequently asked questions about the climate in San Carlos
What is the best time to visit San Carlos?
January, March, November and December typically offer the most optimal weather in San Carlos. In contrast, June, July and August tend to have less optimal conditions. San Carlos has warm summers and mild winters.
What temperatures can I expect in San Carlos?
Daytime highs range from 15°C (59°F) in July to 27°C (81°F) in January. Nighttime lows range from 8°C (46°F) to 19°C (66°F). Temperatures vary considerably through the year.
How much rain does San Carlos get?
Annual rainfall is around 1159 mm (46 in). April is the wettest month with 114 mm (4.5 in), while January is the driest with 77 mm (3 in).
How sunny is San Carlos?
San Carlos receives around 2,349 hours of sunshine per year. December is the sunniest month with 288 hours, while June is the cloudiest with just 105 hours. Overall, San Carlos enjoys abundant sunshine.
San Carlos 3-Day Forecast
San Carlos on the map
San Carlos is highlighted - select any city to see its climate.
Popular in October
Where to go in October - average daytime high across popular destinations.
Colonia del Sacramento
21°C (70°F) Montevideo20°C (68°F) La Pedrera19°C (66°F) José Ignacio19°C (66°F) Piriápolis19°C (66°F) La Paloma19°C (66°F) Punta Del Diablo19°C (66°F) Punta del Este18°C (64°F) Bucket list
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