A cold front can cause temperatures close to 0ºC in Paraná in the middle of October; see when, where and the weather forecast

After an extratropical cyclone kept the weather unstable until this Friday (16), the rains should give respite to most of Paraná over the weekend and the highlight will be the drop in temperatures.

In the extreme south of the state, thermometers can approach 0ºC, according to the review of the Environmental Technology and Monitoring System (Simepar); the agency points out that the cities of General Carneiro, Palmas and the region may have minimum temperatures of 8ºC on Saturday (17), 5ºC on Sunday and just 3ºC on Monday (18), rising again from the following day.

Temperatures are low compared to the record recorded in October - even for the southern region, which is known as the coldest in the state. There, the historical average minimum temperatures for the month vary between 12°C and 14°C. See the histories of other regions below.

Simepar explains that this Friday (16) the instability loses strength in Paraná compared to the last few days, but the sky remains very cloudy and there is still the possibility of occasional rain in a large part of the state. The Sun should appear between clouds in several regions and in Campos Gerais, east and north Pioneiro there are conditions for recording atmospheric discharges (lightning) from the afternoon onwards.

The agency highlights that, due to the advance of a colder air mass, it cools down in much of the state after dark.

"On Saturday (17) temperatures are low/mild throughout the state, with a feeling of cold at times (minimum below 10ºC in several municipalities in the southern half). In these regions the cloudiness still varies a lot throughout the day, but the sun also appears. In the north, the sky remains with few clouds."

Also according to meteorologists, the weather is stable in practically all of Paraná on Sunday (18) and Monday (19), and in the east the cloudiness varies a little more, with the possibility of drizzle between Serra do Mar and the coast. The highlight is the low temperatures at dawn.

"The most significant rains return to the interior of Paraná on Tuesday (20), but in a very isolated way. It is from Wednesday (21) that we again experience a period of strong instability, which continues until at least election Sunday (25). For this period, the volume of rain predicted is very high, above 100 mm, with a risk of storms."

🌡️Historical average temperatures in Paraná in October

Historically, in October, maximum temperatures, generally recorded in the afternoon, are highest in the extreme northwest of Paraná, on average above 30°C. In the far west and north, they are between 28°C and 30°C. In the southwest and Campos Gerais, they are between 26°C and 28°C. In the Central region and on the coast of Paraná, temperatures range between 24°C and 26°C. In the South and Metropolitan Region of Curitiba, they are between 22°C and 24°C.

Minimum temperatures, generally recorded at dawn, are highest in the Northwest, averaging between 18°C ​​and 20°C. In the West, North and Coast, they are between 16°C and 18°C. In the Southwest and Campos Gerais, as well as in the eastern part of the Metropolitan Region of Curitiba, temperatures range between 14°C and 16°C. Minimum temperatures are historically lowest in October in the Center-South and the western part of the Metropolitan Region of Curitiba, between 12°C and 14°C.

Average temperatures, that is, the average of all daytime temperatures, are historically higher in October in the extreme West, Northwest and in cities that border São Paulo, on average between 22°C and 24°C. Temperatures gradually reduce on average across the state to the Center-South and the Metropolitan Region of Curitiba, where average temperatures are lower: they stay between 16°C and 18°C, with emphasis on the capital and the region of Palmas and General Carneiro, where averages are even lower, between 14°C and 16°C.