Buenos Aires, Asuncion to Catch Spring Fever

By , Senior Meteorologist
August 20, 2014; 9:18 AM ET
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Warmth will continue across central South America this week will cause many residence to catch spring fever.

The core of heat built over Chile through Monday with highs 9 to 13 degrees C (17-23 F) above normal in Santiago. Temperatures will lower through midweek but remain several degrees above normal.

An area of high pressure, located off the east coast of South America, will continue to pump unseasonably warm air into the vicinity of Paraguay, Uruguay, northern and central parts of Argentina through at least Friday.

High temperatures will rise to 30 C (middle 80s F) across much of central Argentina. Highs will even rise well into the 30s C (lower 90s F) in northern Argentina and western Paraguay. In Asuncion, Paraguay, temperatures will continue to rise through the week, peaking near 32 C (90 F) late week. This is 7 degrees C (13 degrees F) above their average of 26 C (79 F).

Closer to the coast, the cooler Atlantic water will moderate temperatures in Buenos Aires, Argentina, and Montevideo, Uruguay. In these coastal cities, high temperatures will be held in the middle 20s C (upper 70s F). This is still, however, about 10 degrees C (18 degrees F) above average.

Detailed Forecast for Buenos Aires
Detailed Forecast for Santiago
Forecast Temperature Maps

The warmth will combine with abundant sunshine and low humidity to create perfect conditions for those with outdoor plans and sporting events through at least the middle of the week.

These warmer and dry conditions are not all good news as there are some areas that need rainfall, especially around Santiago in central Chile.

"Santiago is coming out of its rainy season, which was significantly drier than normal," said AccuWeather.com Meteorologist Rob Miller.

Only 36 percent of the typical 256 mm (10.08 inches) fell at Santiago since the start of May. Throughout July, a month that averages 76.2 mm (3 inches), the city recorded only two days of measurable rain for a monthly total of 20.4 mm (0.80 of an inch).

"Gloomy and stormy weather through the middle of the week will remain confined to southern Chile," Miller added.

Meteorologists Adam Douty and Eric Leister contributed to this story.


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