Aerial view of Botucatu (SP) André Godinho/Acontece Botucatu/Reproduction The mass of polar air that advances over the South and Southeast regions of Brazil dropped temperatures in the center-west of São Paulo in the early hours of this Tuesday (14). The dawn was freezing in several cities. The lowest temperature in the region was recorded in Botucatu (SP), which reached 5°C, according to the National Institute of Meteorology (Inmet). ? Join the g1 Bauru and Marília channel on WhatsApp Intense cold can aggravate pain caused by arthritis and osteoarthritis Other cities in the Cuesta Paulista region also woke up with intense cold. In Anhembi, thermometers registered 5.6°C in the early hours of the morning. In Pardinho, the minimum was 5.8°C. In Bauru, this Tuesday morning recorded the lowest temperature of the year, surpassing the May record. At around 4:20 am, Unesp's Meteorological Research Institute (Ipmet) recorded 6.8° C, but at dawn it dropped to 6.3° C, according to Inmet data released by the São Paulo Civil Defense. On May 12, the city had recorded a minimum of 7.1° C, during another cold wave. In Marília, thermometers registered 7°C during the night, also the lowest temperature of the year, according to Inmet. The new record surpasses the previous low of 7.8°C also recorded in May this year. Aerial view of Bauru (SP) - Avenida Nações Unidas - Praça da Paz Luís Negrelli/TV TEM Check out the lowest temperatures recorded in the municipalities this Tuesday (14): Botucatu: 5.0°C (Inmet) Anhembi: 5.6°C (Ciiagro) Pardinho: 5.8°C (Ciiagro) Ibitinga: 6.1°C (Ciiagro) Bauru: 6.3°C (Inmet) Itápolis: 6.6°C (Est. ENEL) São Manuel: 6.8°C (Ciiagro) Palmital: 7.0°C (Ciiagro) Marília: 7.0°C (Inmet) Mass of polar air The action of a mass of cold and dry air of polar origin is responsible for the sharp drop in temperatures throughout the state of São Paulo. On Wednesday (15), the polar air mass will continue to influence weather conditions. The forecast is for another cold day, with the possibility of fog and mist forming in the early hours of the morning. Sorocaba records frost this Thursday morning after intense cold Silvana do Espírito Santo/Personal Archive Although temperatures gradually increase throughout the afternoon, the prevailing winds from the southern quadrant should maintain the cold sensation throughout the night. Given the forecast of low temperatures, the Civil Defense of the State of São Paulo advises the population to take extra care of children, the elderly, homeless people and pets, who are more vulnerable to the effects of the cold. The recommendation is to keep well-dressed, ensure ventilation of the environment and avoid improvising heating systems, due to the risk of fire and carbon monoxide poisoning. Drivers should also pay extra attention in the early hours of the morning, when the formation of fog and mist can temporarily reduce visibility on the highways. In case of emergency, the population should contact the Civil Defense by calling 199 or the Fire Department by calling 193.