The weather forecast for South America sounds like a broken record. As we have seen over the past few weeks, much of the same is expected in Brazil and Argentina: Dryer in southern Brazil and the growing regions of Argentina, but more humid in Central and Southeast Brazil.
The weather pattern will remain the same throughout South America, from mid-December 2021 onwards. Beneficial rainfall will fall in Central Brazil and Southeast Brazil for crops, while the rain showers that are seen in southern Brazil and Argentina growing regions will be very limited.
Mid-December is a good time to be a soybean producer state, such as Mato Grosso. The soil is moist and plentiful. According to WeatheTrends360 data, the week ending December 18 will be the second-wettest mid-week in 30+ years. The favorable weather bodes very well for Mato Grosso’s soybean yield potential. Harvest activities are expected to start around Christmas.
However, when we look farther south into Río Grande do Sul, weather conditions have not been as favorable. Poor soil moisture has been a result of warmer and drier conditions. According to WeatherTrends360 the middle week in December will continue to be poor with poor soil moisture. It is expected to be the eighth warmest in 30 years and the seventh driest. Dryer conditions will continue to the growing regions of Argentina. This is expected to be the eighth driest Mid-December in the same time frame for Santa Fe.
The forecast is sounding a bit like a broken record. For the week ending Christmas Day (December 25, 2012), more dryness is expected across northern Argentina and southern Brazil. The chance is that the dryness will be more widespread this week than it was the previous week. Poor soil conditions will be exacerbated by hotter than normal weather in northern Argentina and southern Brazil, which will lead to higher evapotranspiration.
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Source: Successful Farming