Climate averages 1991–2020
Catamarca weather
in December.
A hot, wet month: the 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 Catamarca: daytime highs average 29.3°C and nights cool to about 20.3°C. By daytime temperature it is the warmest month of the year.
Expect about 129 mm of rain on roughly 15 days, which makes December a wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 55 min on an average December day.
The nearest other city in this atlas is Santiago del Estero (167 km away). In December its highs average 32.2°C, 2.9°C warmer than Catamarca, with 130 mm of rain.
Among the 67 cities listed in Argentina, Catamarca ranks joint 17th of 67 for the warmest December highs and joint 54th of 67 for the driest December (rainfall, lowest first). The mean December high of those 67 cities is 27.9°C; Catamarca is 1.5°C warmer than that mean.
From December to January, average highs fall by 0.1°C to 29.2°C, and monthly rainfall rises from 129 mm to 167 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
Catamarca climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.2°C20.9°C | 20.9°C | 167 | 16.7 | 13.714 h |
| February | 28.0°C19.9°C | 19.9°C | 118 | 13.8 | 13.113 h |
| March | 26.0°C17.9°C | 17.9°C | 109 | 13.1 | 12.312 h |
| April | 22.7°C13.8°C | 13.8°C | 65 | 9.7 | 11.411 h |
| May | 19.4°C9.6°C | 9.6°C | 37 | 6.9 | 10.711 h |
| June | 17.6°C6.3°C | 6.3°C | 20 | 4.1 | 10.410 h |
| July | 17.4°C5.5°C | 5.5°C | 15 | 3.3 | 10.511 h |
| August | 21.3°C8.7°C | 8.7°C | 17 | 3.3 | 11.111 h |
| September | 24.2°C12.3°C | 12.3°C | 32 | 5.4 | 11.912 h |
| October | 26.6°C15.9°C | 15.9°C | 65 | 10.0 | 12.813 h |
| November | 28.0°C18.3°C | 18.3°C | 98 | 12.8 | 13.514 h |
| December, selected | 29.3°C20.3°C | 20.3°C | 129 | 15.4 | 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
- Santiago del Estero in DecemberArgentina · 167 kmHigh 32.2°C · Low 22.3°C · 130 mm rain
- Córdoba in DecemberArgentina · 361 kmHigh 28.4°C · Low 17.7°C · 131 mm rain
- San Juan, Argentina in DecemberArgentina · 431 kmHigh 30.3°C · Low 17.7°C · 22 mm rain
- Rawson in DecemberArgentina · 436 kmHigh 29.8°C · Low 16.9°C · 22 mm rain
- Copiapó in DecemberChile · 463 kmHigh 28.6°C · Low 17.0°C · 0.5 mm rain
- Villa María in DecemberArgentina · 501 kmHigh 29.1°C · Low 18.9°C · 125 mm rain
- Rafaela in DecemberArgentina · 517 kmHigh 29.2°C · Low 18.9°C · 129 mm rain
- Río Cuarto in DecemberArgentina · 536 kmHigh 28.3°C · Low 17.9°C · 107 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 Catamarca) is explained once on the Catamarca year overview and on the Sources, method and limits page.