First cold front of winter already has date

The first wave of From this year’s winter this year can be recorded from this Monday (23), according to Climatempo. Will be the third wave of low temperatures of 2025. The transition from autumn to It occurred on Friday (20). Between this Sunday and Monday there is a Cold Front forecast with cyclone, according to the Climatempo Meteorology company. “This system is large and will have greater impact on the country. On Monday, the cyclone intensifies in the ocean and favors the occurrence of strong winds in the south-central states of Brazil,” he warns.

Still according to the meteorology company, the cyclone does not advance the continent, but stimulates gusts of very strong wind, including in São Paulo and Mato Grosso do Sul. Still on Monday, a new strong polar air mass, advances through the interior of the country, causing a sharp drop in temperature. “We will have two cold air pulses in the coming days and a new wave of cold settling this Monday lasting until Friday, 27, with this first polar air mass of the beginning of the week, impacting the three states of the southern region and the state of Mato Grosso do Sul,” climatempo projects.

In the state of São Paulo, the forecast indicates that temperatures should start falling from Tuesday, 24, and especially on Wednesday (25). “The second cold air pulse is more for the end of next week, with another polar air mass entering the south still from Friday,” adds Climatempo. Over the course of last Friday, a cyclone on the southern coast gave rise to a new cold front and the rain again impact areas of Rio Grande do Sul. There is also a expectation of heavy rains in the state capital between Monday and Tuesday, with temperature drop on Tuesday. Thermometers are expected to rise again on Thursday, 26, decreasing again from Friday.

See the forecast for the city of São Paulo, according to Meteoblue:

– Saturday: between 14ºC and 21ºC;

– Sunday: between 15ºC and 25ºC;

-Monday: between 17ºC and 26ºC;

-Tuesday: between 7ºC and 15ºC;

-Wednesday: between 4ºC and 16ºC.

Cold front with polar air mass in July

In the early days of July, the arrival of a cold front, followed by a polar air mass, should cause widespread rain showers, with the possibility of lightning and gusts of wind, as well as sudden falls of temperatures, intensifying the feeling of cold in the state of Sao Paulo. The forecast is from the State Civil Defense. A new cold air mass, scheduled for the transition between the first and second half of the month, will also cause thermal decline but milder. For most of the country, winter should have average at higher temperatures. Between August and September, thermometers are also expected in elevation in the state of São Paulo. “We can have more intense cold wave events that can advance to the central region, but they will not be frequent,” adds Paulo Lombardi, time meteorologist Ok.

Snow chance in the south of the country

It is expected to snow in the mountains of Rio Grande do Sul and Santa Catarina due to the intense cold and favorable conditions for rain on Monday night. According to Inmet, the cold will intensify on Tuesday, 24. In the early hours and early morning, there will be conditions for wide frost in the three southern states, frost with intensity ranging from moderate to strong between Serra Gaucha, areas of Santa Catarina and southern Paraná.

“Frost also arrives in the south of Mato Grosso do Sul, Southwest and southern São Paulo,” predicts the institute. On Wednesday, 25, the frost is expected to continue in the areas mentioned earlier, with a drop in temperature expected to southern Goiás, Triangulo Mineiro, Zona da Mata and southern Minas Gerais, and all over Rio de Janeiro and southern Espírito Santo.

*With information from Estadão Content