Climate averages 1991–2020
Concordia weather
in December.
A hot, wet month: the 2nd warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a hot month in Concordia: daytime highs average 29.3°C and nights cool to about 19.1°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 115 mm of rain on roughly 8 days, which makes December a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 09 min on an average December day.
The nearest other city in this atlas is Paysandú (103 km away). In December its highs average 28.8°C, 0.5°C cooler than Concordia, with 118 mm of rain.
Among the 67 cities listed in Argentina, Concordia ranks joint 17th of 67 for the warmest December highs and joint 49th of 67 for the driest December (rainfall, lowest first). The mean December high of those 67 cities is 27.9°C; Concordia is 1.4°C warmer than that mean.
From December to January, average highs rise by 1.3°C to 30.6°C, and monthly rainfall falls from 115 mm to 112 mm.
The annual picture
December 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
Concordia climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 30.6°C20.8°C | 20.8°C | 112 | 8.4 | 13.914 h |
| February | 29.2°C20.1°C | 20.1°C | 105 | 8.7 | 13.213 h |
| March | 27.3°C18.4°C | 18.4°C | 116 | 7.8 | 12.312 h |
| April | 23.6°C15.2°C | 15.2°C | 148 | 8.3 | 11.311 h |
| May | 19.7°C12.1°C | 12.1°C | 104 | 7.3 | 10.511 h |
| June | 17.1°C9.5°C | 9.5°C | 89 | 7.4 | 10.110 h |
| July | 16.5°C8.4°C | 8.4°C | 76 | 6.4 | 10.310 h |
| August | 19.1°C9.6°C | 9.6°C | 91 | 7.1 | 11.011 h |
| September | 20.8°C11.3°C | 11.3°C | 91 | 7.6 | 11.912 h |
| October | 23.6°C14.2°C | 14.2°C | 139 | 9.4 | 12.813 h |
| November | 26.7°C16.5°C | 16.5°C | 112 | 7.2 | 13.714 h |
| December, selected | 29.3°C19.1°C | 19.1°C | 115 | 8.1 | 14.114 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
December in nearby cities
- Paysandú in DecemberUruguay · 103 kmHigh 28.8°C · Low 18.0°C · 118 mm rain
- Gualeguaychú in DecemberArgentina · 186 kmHigh 28.6°C · Low 18.3°C · 128 mm rain
- Uruguaiana in DecemberBrazil · 203 kmHigh 29.8°C · Low 20.1°C · 136 mm rain
- Rivera in DecemberUruguay · 241 kmHigh 28.2°C · Low 17.9°C · 117 mm rain
- Paraná in DecemberArgentina · 241 kmHigh 28.8°C · Low 19.1°C · 128 mm rain
- Sant'Ana do Livramento in DecemberBrazil · 243 kmHigh 28.1°C · Low 17.6°C · 117 mm rain
- Santa Fe in DecemberArgentina · 257 kmHigh 29.2°C · Low 19.5°C · 136 mm rain
- Goya in DecemberArgentina · 278 kmHigh 29.9°C · Low 20.9°C · 148 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 Concordia) is explained once on the Concordia year overview and on the Sources, method and limits page.