Mercedes Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Mercedes.
Climate overview of Mercedes
The climate in Mercedes, Corrientes Province, Argentina, is marked by large temperature swings across the seasons, ranging from 32°C (90°F) in January to 20°C (68°F) in June.
Rainfall is high, totalling around 1406 mm (55 in) per year. March is the wettest month and July the driest. The city also experiences very warm summers and pleasant winters. The most sunshine falls in December, with an average of 9.7 hours of daily sunshine.
Mercedes Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Mercedes - and find the best time to visit.
Monthly Temperature in Mercedes
In Mercedes, temperatures differ significantly between summer and winter months. Average maximum daytime temperatures range from a very warm 32°C (90°F) in January, the warmest time of the year, to a pleasant 20°C (68°F) during cooler months like June.
At night, you can expect temperatures ranging from 20°C (68°F) in January to around 9°C (48°F) during June.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Mercedes
Mercedes experiences significant rainfall throughout the year, averaging 1406 mm (55 in) of precipitation annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, March it receives heavy snowfall, averaging 168 mm (6.6 in) of precipitation, recorded across . In contrast, the driest month July brings less snowfall, with 52 mm (2 in) over . For more details, please visit our Mercedes Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
Sunshine Hours in Mercedes
Seasonal changes in sunshine hours are quite dramatic in Mercedes. While December receives considerable daily sunshine with up to 9.7 hours, June marks the darkest time of the year, where sunshine is scarce with only 5.4 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Mercedes by Month
The relative humidity is high throughout the year in Mercedes.
The city experiences its highest humidity in June, reaching 81%. In December, the humidity drops to its lowest level at 62%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Mercedes
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, June, July, August and September
- Warmest weather: January, February and December
- Most sunshine: November and December
- Seasonal pattern: Very warm summers and pleasant winters
Frequently asked questions about the climate in Mercedes
What is the best time to visit Mercedes?
May, June, July, August and September typically offer the most optimal weather in Mercedes. In contrast, January, February and December tend to have less optimal conditions. Mercedes has very warm summers and pleasant winters.
What temperatures can I expect in Mercedes?
Daytime highs range from 20°C (68°F) in June to 32°C (90°F) in January. Nighttime lows range from 9°C (48°F) to 20°C (68°F). Temperatures vary considerably through the year.
How much rain does Mercedes get?
Annual rainfall is around 1406 mm (55 in). March is the wettest month with 168 mm (6.6 in), while July is the driest with 52 mm (2 in). In the coldest months, precipitation may fall as snow.
How sunny is Mercedes?
Mercedes receives around 2,722 hours of sunshine per year. December is the sunniest month with 291 hours, while June is the cloudiest with just 162 hours. Overall, Mercedes enjoys abundant sunshine.
Mercedes 3-Day Forecast
Mercedes on the map
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Popular this month
Where to go in August - average daytime high across popular destinations.
Córdoba
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18°C (64°F) Mar del Plata15°C (59°F) San Carlos de Bariloche
6°C (43°F) San Martín de los Andes6°C (43°F) 
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