Climate averages 1991–2020
Posadas weather
in October.
A warm, 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 warm month in Posadas: daytime highs average 26.6°C and nights cool to about 17.8°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 216 mm of rain on roughly 12 days, which makes October a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 43 min on an average October day.
The nearest other city in this atlas is Encarnación (9 km away). In October its highs average 26.8°C, about as warm as Posadas, with 219 mm of rain.
Among the 67 cities listed in Argentina, Posadas ranks joint 6th of 67 for the warmest October highs and 67th of 67 for the driest October (rainfall, lowest first). The mean October high of those 67 cities is 22.2°C; Posadas is 4.4°C warmer than that mean.
From October to November, average highs rise by 1.6°C to 28.2°C, and monthly rainfall falls from 216 mm to 156 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
Posadas climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 31.0°C22.7°C | 22.7°C | 133 | 12.6 | 13.714 h |
| February | 30.1°C22.2°C | 22.2°C | 130 | 11.9 | 13.013 h |
| March | 29.0°C20.9°C | 20.9°C | 121 | 10.5 | 12.312 h |
| April | 26.1°C18.1°C | 18.1°C | 159 | 9.9 | 11.511 h |
| May | 22.1°C14.8°C | 14.8°C | 143 | 9.1 | 10.811 h |
| June | 20.4°C13.3°C | 13.3°C | 121 | 8.9 | 10.410 h |
| July | 19.9°C12.0°C | 12.0°C | 117 | 9.1 | 10.611 h |
| August | 22.5°C13.4°C | 13.4°C | 90 | 7.9 | 11.111 h |
| September | 24.3°C15.0°C | 15.0°C | 147 | 9.8 | 11.912 h |
| October, selected | 26.6°C17.8°C | 17.8°C | 216 | 12.4 | 12.713 h |
| November | 28.2°C19.1°C | 19.1°C | 156 | 10.4 | 13.413 h |
| December | 30.3°C21.5°C | 21.5°C | 163 | 11.7 | 13.814 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
- Encarnación in OctoberParaguay · 9 kmHigh 26.8°C · Low 17.7°C · 219 mm rain
- Ituzaingó in OctoberArgentina · 78 kmHigh 26.5°C · Low 18.2°C · 210 mm rain
- Santa Rosa, Brazil in OctoberBrazil · 152 kmHigh 25.7°C · Low 16.4°C · 214 mm rain
- Santo Ângelo in OctoberBrazil · 192 kmHigh 25.2°C · Low 15.6°C · 236 mm rain
- Ijuí in OctoberBrazil · 226 kmHigh 24.9°C · Low 15.3°C · 234 mm rain
- Foz do Iguaçu in OctoberBrazil · 244 kmHigh 28.3°C · Low 19.6°C · 197 mm rain
- Ciudad del Este in OctoberParaguay · 245 kmHigh 28.3°C · Low 19.5°C · 199 mm rain
- Formosa, Argentina in OctoberArgentina · 260 kmHigh 28.0°C · Low 18.8°C · 184 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 Posadas) is explained once on the Posadas year overview and on the Sources, method and limits page.