Ibera National Park - The restored wetlands of Argentina
Iberá National Park is Argentina's biggest wetland, created in 2018 and destined to rank among Argentina's top tourist destinations.
Average temperatures, rainfall, sunshine and the best time to visit 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.
Pick a month to see the average temperature, rainfall and sunshine in Mercedes - and find the best time to visit.
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.
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.
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.
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.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
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.
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.
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.
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 is highlighted - select any city to see its climate.
Where to go in October - average daytime high across popular destinations.
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Ibera National Park - The restored wetlands of Argentina
Iberá National Park is Argentina's biggest wetland, created in 2018 and destined to rank among Argentina's top tourist destinations.
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