Stronger northeast monsoon winds, or amihan, began bringing even colder temperatures across Luzon on Wednesday, January 21, 2026, with state weather forecasters warning that the chilly conditions could last until February 2026.

The Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) said the intensified Amihan would bring colder air, particularly over northern Luzon, with minimum temperatures in Pangasinan possibly dropping to 20 degrees Celsius or lower.

“Mayroon tayong ilang araw pa hanggang sa second week ng February na pagbaba ng temperature natim,” Engr. Jose Estrada Jr., chief meteorological officer of the PAGASA Dagupan Station, said.

In Dagupan City, residents said they were taking extra precautions as colder weather often coincides with an increase in seasonal illnesses. Some said they no longer use electric fans at night due to the cold.

“Nagsusuot ako ng jacket tapos pajama sa gabi kasi malamig talaga, hindi ko kinakaya,” Jennifer Sison, a resident of Dagupan City, said.

Meanwhile, authorities in Baguio City said they were preparing for the peak of the cold season, which usually occurs in the last week of January or the first week of February. Health officials warned the public to stay alert as colder weather may lead to a rise in flu-related illnesses.

The city recorded at least 18 cases of super flu from October to November 2025, and officials said the number could increase as temperatures continue to drop.

“Let’s not put our guards down kasi mas malamig ang panahon, supposedly bababa na ang case natin this January, pero dahil sa mas malamig na panahon hanggang February extended ang flu seasons natin.,” Dr. Donna Tubera-Panes, chief of the City Epidemiology Surveillance Unit, said.

PAGASA said minimum temperatures in Baguio City could drop to single-digit levels during the first two months of the year. Health authorities urged the public to take care of their bodies and strengthen their immune systems to avoid flu-like illnesses during the cold season.