Climate averages 1991–2020
Santiago del Estero weather
in December.
A hot, wet month: the 2nd warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a hot month in Santiago del Estero: daytime highs average 32.2°C and nights cool to about 22.3°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 130 mm of rain on roughly 12 days, which makes December a wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 52 min on an average December day.
The nearest other city in this atlas is Catamarca (167 km away). In December its highs average 29.3°C, 2.9°C cooler than Santiago del Estero, with 129 mm of rain.
Among the 67 cities listed in Argentina, Santiago del Estero ranks 1st of 67 for the warmest December highs and 56th of 67 for the driest December (rainfall, lowest first). The mean December high of those 67 cities is 27.9°C; Santiago del Estero is 4.4°C warmer than that mean.
From December to January, average highs rise by 0.1°C to 32.4°C, and monthly rainfall rises from 130 mm to 147 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
Santiago del Estero climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 32.4°C22.9°C | 22.9°C | 147 | 12.8 | 13.714 h |
| February | 31.0°C22.2°C | 22.2°C | 116 | 10.6 | 13.113 h |
| March | 28.9°C20.7°C | 20.7°C | 124 | 11.3 | 12.312 h |
| April | 25.4°C17.6°C | 17.6°C | 68 | 8.2 | 11.411 h |
| May | 22.4°C14.3°C | 14.3°C | 22 | 4.6 | 10.811 h |
| June | 20.2°C11.4°C | 11.4°C | 15 | 3.7 | 10.410 h |
| July | 20.4°C10.0°C | 10.0°C | 11 | 2.5 | 10.611 h |
| August | 24.3°C12.3°C | 12.3°C | 11 | 2.0 | 11.111 h |
| September | 27.0°C14.9°C | 14.9°C | 28 | 3.8 | 11.912 h |
| October | 29.3°C18.2°C | 18.2°C | 60 | 7.3 | 12.713 h |
| November | 30.9°C20.3°C | 20.3°C | 86 | 9.3 | 13.513 h |
| December, selected | 32.2°C22.3°C | 22.3°C | 130 | 11.7 | 13.914 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
- Catamarca in DecemberArgentina · 167 kmHigh 29.3°C · Low 20.3°C · 129 mm rain
- Presidencia Roque Sáenz Peña in DecemberArgentina · 394 kmHigh 31.6°C · Low 21.7°C · 145 mm rain
- Córdoba in DecemberArgentina · 401 kmHigh 28.4°C · Low 17.7°C · 131 mm rain
- Rafaela in DecemberArgentina · 468 kmHigh 29.2°C · Low 18.9°C · 129 mm rain
- Reconquista in DecemberArgentina · 475 kmHigh 30.0°C · Low 20.7°C · 149 mm rain
- Goya in DecemberArgentina · 511 kmHigh 29.9°C · Low 20.9°C · 148 mm rain
- San Ramón de la Nueva Orán in DecemberArgentina · 519 kmHigh 30.5°C · Low 21.2°C · 193 mm rain
- Resistencia in DecemberArgentina · 521 kmHigh 30.7°C · Low 21.7°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 Santiago del Estero) is explained once on the Santiago del Estero year overview and on the Sources, method and limits page.