Asunción weather in July
July in Asunción: warm, a little rain, with clean air — one of the best months to visit.
Updated September 2026 · climate normals from ERA5 reanalysis
#1 of 12 months in Asunción · #183 of 1413 destinations to visit in July · comfort 91/100 (tier S)
- Days
- 25°C
- Nights
- 13°C
- Wet days
- 6
- Sun
- 8.3 h
- Humidity
- 71%
- Daylight
- 11 h

Traveller notes on Asunción in July
Forum posters describe June through August as genuinely colder than the rest of the year in Paraguay, with some posters specifically recommending avoiding this stretch in favor of March, along with warning that both this cooler winter window and the hot December-January peak have their own drawbacks. Posters report a real range of experiences, though - one visitor spending two weeks in June found it lovely, dry and sunny, while another completed a June-July Asuncion stay without any weather-related issues at all. Posters generally frame March as the ideal shoulder-season pick, but describe a July visit as entirely workable too, provided visitors accept cooler days and pack for the possibility of some rain and colder nights.
Other months in Asunción
Forum posters consistently name December and January as Asunción's two hottest months, with temperatures in the low 30sC typical and the stretch from Christmas through New Year's singled out as the worst week, sometimes topping 106F (roughly 41C) with high humidity. Posters describe January through March as genuinely rainy on top of that heat, with real potential for flooding that posters warn could disrupt bus travel routes. Posters consistently recommend avoiding December and January if possible, naming March as a noticeably better alternative once the heat eases, even though some rain remains likely then too. Posters generally rate January as the toughest month of the year to visit Asunción, combining peak heat, high humidity and genuine flood risk.
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Asunción climate normals — July
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Asunción in July
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
BusyExpo Paraguay, school holidays in 4 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Asunción's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Best weatherAsunción's weather peaks June–August, best around July.
July includes Expo Paraguay.
Best weatherFair weatherToughest weather
What's on in Asunción in July
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Festival
Expo Paraguay
11–26 JulMajor festivalCrowdedThe country's farm and industry fair takes the showground at Mariano Roque Alonso, half an hour north, for a fortnight each July: livestock rings by day, stadium-sized concerts at night, buses running late. Source ↗
- Nature
Lapacho trees in flower
15 Jul – 15 Sep · usuallyWildflowers & bloomsIn late winter the city's lapachos flower pink and yellow before the leaves return, colouring avenues, plazas and the Costanera. The pink ones come first, the yellow later. Source ↗
Where is Asunción?
Asunción in July — FAQ
- Is July a good time to visit Asunción?
- July in Asunción: warm, a little rain, with clean air — one of the best months to visit. It ranks #1 of 12 months for Asunción on SeasonMap's comfort score (91/100).
- What is the weather like in Asunción in July?
- In July, Asunción averages a daily high of 25.2°C and a low of 12.8°C, with about 40.3 mm of rain over roughly 5.7 rainy days.
- What is the air quality in Asunción in July?
- Asunción has a mean US Air Quality Index of about 37 in July.