Climate averages 1991–2020
Posadas weather
in July.
A mild, wet month: the coolest and the 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a mild month in Posadas: daytime highs average 19.9°C and nights cool to about 12.0°C. By daytime temperature it is the coolest month of the year.
Expect about 117 mm of rain on roughly 9 days, which makes July a wet month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 35 min on an average July day.
The nearest other city in this atlas is Encarnación (9 km away). In July its highs average 20.1°C, about as warm as Posadas, with 122 mm of rain.
Among the 67 cities listed in Argentina, Posadas ranks 5th of 67 for the warmest July highs and 66th of 67 for the driest July (rainfall, lowest first). The mean July high of those 67 cities is 14.6°C; Posadas is 5.3°C warmer than that mean.
From July to August, average highs rise by 2.5°C to 22.5°C, and monthly rainfall falls from 117 mm to 90 mm.
The annual picture
July 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, selected | 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 | 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
July in nearby cities
- Encarnación in JulyParaguay · 9 kmHigh 20.1°C · Low 12.0°C · 122 mm rain
- Ituzaingó in JulyArgentina · 78 kmHigh 19.8°C · Low 12.3°C · 104 mm rain
- Santa Rosa, Brazil in JulyBrazil · 152 kmHigh 19.2°C · Low 10.7°C · 137 mm rain
- Santo Ângelo in JulyBrazil · 192 kmHigh 18.7°C · Low 9.9°C · 157 mm rain
- Ijuí in JulyBrazil · 226 kmHigh 18.6°C · Low 9.8°C · 157 mm rain
- Foz do Iguaçu in JulyBrazil · 244 kmHigh 21.7°C · Low 13.4°C · 118 mm rain
- Ciudad del Este in JulyParaguay · 245 kmHigh 21.5°C · Low 13.4°C · 119 mm rain
- Formosa, Argentina in JulyArgentina · 260 kmHigh 20.9°C · Low 12.6°C · 78 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.