How hot does Paraguay get in summer in 2026?

Asunción and other Oriente cities feel the sticky capital default, with January averages often near the upper twenties Celsius and frequent daytime peaks around 38°C: Living in Asunción, Weather, and Best climate. Nights cool slowly, which pushes tereré culture, late dinners, and AC bills. Ciudad del Este shares humid lowland heat. Encarnación’s Paraná position often feels a few degrees softer with Costanera breezes, without becoming a cool-climate escape: Where to live in Paraguay.

The western Chaco can run hotter and more extreme, with heat that pairs dust and boom-bust rain rather than river clamminess alone. Sudden southern cool fronts can still drop temperatures sharply after thunderstorms even in warm months: Rain in Paraguay.

Treat AC capacity as a housing feature, not a luxury add-on: Utilities, internet, and transport. Shift outdoor exercise to dawn Costanera or Ñu Guasu loops: Outdoor recreation and Work-life balance. Protect deep-work mornings before afternoon heat and storms stack. Winter cold snaps still exist, so do not pack only for January: Winter cold. Flood and drainage checks matter when heat-season storms hit low ground: Flood risk.