Similar Climates › City Pairings › San Antonio ≈ Asunción
City Pairings
loose match
San Antonio, Texas and Asunción, Paraguay are a loose climate match — 7,483 km (4,650 mi) apart. San Antonio is Köppen zone Cfa; Asunción is Cfa.
See San Antonio on the interactive map →San Antonio and Asunción both sit in the humid subtropical (Cfa) zone, so their seasonal arcs line up. Because one city is in the opposite hemisphere, the comparison flips seasons: San Antonio’s January against Asunción’s July. They are about 7,483 km (4,650 mi) apart, so Asunción is a reachable stand-in when you want San Antonio’s weather elsewhere.
It is a loose match: useful as a climate analogue for San Antonio, though not a perfect copy. January means differ by 8°C (Asunción warmer); July by 0°C (Asunción cooler). Rainfall shifts more: Asunción is 85 mm wetter in July.
Sunshine stays close: Asunción at 9.7 h/day on average versus 9.7 h/day in San Antonio (January 8 h / 7.4 h, July 11.4 h / 12 h). PM2.5 averages stay near each other (9 µg/m³ in Asunción, 10 in San Antonio). Humidity: dew point in Asunción runs about 8°C higher in January (12°C vs 4°C), so the air feels muggier.
January & July · °C and mm
Asunción is in the southern hemisphere, so its July lines up with San Antonio's January — the bars above pair each city's summer and winter, not the calendar month.
Compare San Antonio and Asunción month by month on the interactive map →
See Asunción's climate twin on its own page.
On Similar Climates, Asunción, Paraguay is the closest distant match for San Antonio, Texas — scored loose, about 7,483 km (4,650 mi) away.
San Antonio and Asunción are separated by roughly 7,483 km (4,650 mi) on the great-circle route.
No — they sit in opposite hemispheres, so seasons run about six months apart: Asunción’s July pairs with San Antonio’s January in the comparison.
Yes — both are humid subtropical (Cfa).
San Antonio has a humid subtropical climate (Cfa). January averages a high of 17°C and a low of 5°C with 45 mm of rain; July averages 35°C / 23°C and 55 mm.
San Antonio averages about 7.4 hours of sunshine a day in January and 12 hours in July.
January PM2.5 averages about 6.9 µg/m³ (US AQI 38); July averages 12.3 µg/m³ (US AQI 55).
Other close climate matches for San Antonio: Peshawar (fair), Rosario (loose), Madrid (loose).
All humid subtropical (Cfa) cities on Similar Climates →
Explore San Antonio and Asunción on the interactive map →