Colonia del Sacramento Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Colonia del Sacramento.
Climate overview of Colonia del Sacramento
Colonia del Sacramento is Uruguay's oldest city. Much of this old charm is still preserved. The city lies on the border with Argentina.
Colonia del Sacramento has a warm maritime climate. This climate, like other maritime climates, is characterised by a slight difference in temperature between summer and winter. This is because the water of the ocean does not change temperature quickly. Since the temperature over land in Uruguay is strongly influenced by the air over the sea, this also applies to the temperature differences in Uruguay. Due to its location near the equator, temperatures are somewhat higher than in other maritime climates, which is why it is called a warm maritime climate. In the summer months, temperatures regularly exceed 28°C (82°F).
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.
Monthly Temperature in Colonia del Sacramento
The climate in Colonia del Sacramento is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a comfortable 28°C (82°F) in January to a moderate 15°C (59°F) in July.
Nighttime temperatures range from 21°C (70°F) in January to 9°C (48°F) in July.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Colonia del Sacramento
Colonia del Sacramento has a notably wet climate with abundant precipitation, recording 1116 mm (44 in) of rainfall per year. The wettest period in Colonia del Sacramento occurs in October, which receives around 117 mm (4.6 in) of precipitation. During the driest month, May, Colonia del Sacramento experiences moderate rainfall, totaling 76 mm (3 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate. For more details, please visit our Colonia del Sacramento 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 Colonia del Sacramento
In Colonia del Sacramento, summer days are longer and more sunny, with daily sunshine hours peaking at 9.5 hours in January. As the darker season arrives, the brightness of the sun becomes less. June sees a soft sun for only 4.4 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Colonia del Sacramento by Month
The relative humidity is high throughout the year in Colonia del Sacramento.
The city experiences its highest humidity in June, reaching 79%. In December, the humidity drops to its lowest level at 63%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Colonia del Sacramento
Frequently asked questions about the climate in Colonia del Sacramento
What is the best time to visit Colonia del Sacramento?
January and December typically offer the most optimal weather in Colonia del Sacramento. In contrast, June, July and August tend to have less optimal conditions.
What temperatures can I expect in Colonia del Sacramento?
Daytime highs range from 15°C (59°F) in July to 28°C (82°F) in January. Nighttime lows range from 9°C (48°F) to 21°C (70°F). Temperatures vary considerably through the year.
How much rain does Colonia del Sacramento get?
Annual rainfall is around 1116 mm (44 in). October is the wettest month with 117 mm (4.6 in), while May is the driest with 76 mm (3 in).
How sunny is Colonia del Sacramento?
Colonia del Sacramento receives around 2,526 hours of sunshine per year. January is the sunniest month with 285 hours, while June is the cloudiest with just 132 hours. Overall, Colonia del Sacramento enjoys abundant sunshine.
Colonia del Sacramento 3-Day Forecast
Colonia del Sacramento 3-Day Forecast
Colonia del Sacramento on the map
Colonia del Sacramento is highlighted — select any city to see its climate.
Popular this month
Where to go in July — average daytime high across popular destinations.
La Pedrera
15°C (59°F) Punta Del Diablo15°C (59°F) José Ignacio15°C (59°F) Piriápolis15°C (59°F) La Paloma15°C (59°F) Montevideo15°C (59°F) Punta del Este14°C (57°F) Colonia del Sacramento15°C (59°F) 
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