Climate averages 1991–2020
Posadas weather
in March.
A hot, wet month: the 4th warmest and the joint 3rd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
March is a hot month in Posadas: daytime highs average 29.0°C and nights cool to about 20.9°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 121 mm of rain on roughly 11 days, which makes March a wet month (the joint 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 16 min on an average March day.
The nearest other city in this atlas is Encarnación (9 km away). In March its highs average 29.1°C, about as warm as Posadas, with 132 mm of rain.
Among the 67 cities listed in Argentina, Posadas ranks 5th of 67 for the warmest March highs and joint 54th of 67 for the driest March (rainfall, lowest first). The mean March high of those 67 cities is 25.6°C; Posadas is 3.4°C warmer than that mean.
From March to April, average highs fall by 3.0°C to 26.1°C, and monthly rainfall rises from 121 mm to 159 mm.
The annual picture
March 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, selected | 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 | 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
March in nearby cities
- Encarnación in MarchParaguay · 9 kmHigh 29.1°C · Low 20.8°C · 132 mm rain
- Ituzaingó in MarchArgentina · 78 kmHigh 29.2°C · Low 21.6°C · 119 mm rain
- Santa Rosa, Brazil in MarchBrazil · 152 kmHigh 28.1°C · Low 19.5°C · 127 mm rain
- Santo Ângelo in MarchBrazil · 192 kmHigh 27.7°C · Low 18.7°C · 135 mm rain
- Ijuí in MarchBrazil · 226 kmHigh 27.3°C · Low 18.4°C · 136 mm rain
- Foz do Iguaçu in MarchBrazil · 244 kmHigh 29.5°C · Low 21.8°C · 141 mm rain
- Ciudad del Este in MarchParaguay · 245 kmHigh 29.5°C · Low 21.8°C · 146 mm rain
- Formosa, Argentina in MarchArgentina · 260 kmHigh 30.0°C · Low 21.7°C · 128 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.