Treinta y Tres Weather & Climate: Best Time to Visit

The climate in Treinta y Tres is known for significant temperature differences throughout the year, making the weather dynamic. Average maximum daytime temperatures range from a comfortable 30°C (86°F) in January, the warmest time of the year, to a moderate 17°C (63°F) during cooler months like July.

At night, you can expect temperatures ranging from 18°C (64°F) in January to around 7°C (45°F) during July.

Check out our detailed temperature page for more information.

Temperature ranges by month

Treinta y Tres has a notably wet climate with abundant precipitation, recording 1348 mm (53 in) of rainfall per year. Year-round, Treinta y Tres has a balanced climate with minimal variation in precipitation. The difference between the wettest month, April, with 133 mm (5.2 in), and the driest month, March, with 93 mm (3.7 in), is minimal. For more details, please visit our Treinta y Tres Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Seasonal changes in sunshine hours are quite dramatic in Treinta y Tres. While January receives considerable daily sunshine with up to 8.9 hours, June marks the darkest time of the year, where sunshine is scarce with only 4.5 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The relative humidity is high throughout the year in Treinta y Tres.

The city experiences its highest humidity in June, reaching 82%. In January, the humidity drops to its lowest level at 69%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year