Climate averages 1991–2020
Foz do Iguaçu weather
in October.
A hot, very wet month: the 6th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a hot month in Foz do Iguaçu: daytime highs average 28.3°C and nights cool to about 19.6°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 197 mm of rain on roughly 13 days, which makes October a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 40 min on an average October day.
The nearest other city in this atlas is Ciudad del Este (8 km away). In October its highs average 28.3°C, about as warm as Foz do Iguaçu, with 199 mm of rain.
Among the 448 cities listed in Brazil, Foz do Iguaçu ranks joint 221st of 448 for the warmest October highs and joint 431st of 448 for the driest October (rainfall, lowest first). The mean October high of those 448 cities is 28.3°C; Foz do Iguaçu is 0.1°C warmer than that mean.
From October to November, average highs rise by 0.9°C to 29.2°C, and monthly rainfall falls from 197 mm to 158 mm.
The annual picture
October in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Foz do Iguaçu climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 30.8°C23.3°C | 23.3°C | 157 | 15.3 | 13.514 h |
| February | 30.3°C22.9°C | 22.9°C | 153 | 14.1 | 13.013 h |
| March | 29.5°C21.8°C | 21.8°C | 141 | 12.5 | 12.312 h |
| April | 27.2°C19.2°C | 19.2°C | 138 | 9.4 | 11.512 h |
| May | 23.2°C15.8°C | 15.8°C | 162 | 9.1 | 10.911 h |
| June | 21.8°C14.5°C | 14.5°C | 137 | 9.2 | 10.611 h |
| July | 21.7°C13.4°C | 13.4°C | 118 | 8.5 | 10.711 h |
| August | 24.3°C14.8°C | 14.8°C | 94 | 7.0 | 11.211 h |
| September | 26.4°C16.7°C | 16.7°C | 155 | 9.9 | 11.912 h |
| October, selected | 28.3°C19.6°C | 19.6°C | 197 | 13.2 | 12.713 h |
| November | 29.2°C20.4°C | 20.4°C | 158 | 11.7 | 13.313 h |
| December | 30.5°C22.4°C | 22.4°C | 184 | 14.8 | 13.714 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
October in nearby cities
- Ciudad del Este in OctoberParaguay · 8 kmHigh 28.3°C · Low 19.5°C · 199 mm rain
- Toledo, Brazil in OctoberBrazil · 126 kmHigh 27.1°C · Low 18.0°C · 192 mm rain
- Cascavel in OctoberBrazil · 132 kmHigh 25.5°C · Low 16.5°C · 192 mm rain
- Francisco Beltrão in OctoberBrazil · 165 kmHigh 25.4°C · Low 16.2°C · 216 mm rain
- Pato Branco in OctoberBrazil · 206 kmHigh 24.1°C · Low 14.8°C · 212 mm rain
- Umuarama in OctoberBrazil · 236 kmHigh 28.2°C · Low 19.2°C · 189 mm rain
- Encarnación in OctoberParaguay · 236 kmHigh 26.8°C · Low 17.7°C · 219 mm rain
- Posadas in OctoberArgentina · 244 kmHigh 26.6°C · Low 17.8°C · 216 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Foz do Iguaçu) is explained once on the Foz do Iguaçu year overview and on the Sources, method and limits page.