Climate averages 1991–2020
La Plata weather
in December.
A warm, moderately wet month: the 3rd warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a warm month in La Plata: daytime highs average 26.1°C and nights cool to about 18.1°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 82 mm of rain on roughly 9 days, which makes December a moderately wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 27 min on an average December day.
The nearest other city in this atlas is Berisso (9 km away). In December its highs average 26.0°C, about as warm as La Plata, with 76 mm of rain.
Among the 67 cities listed in Argentina, La Plata ranks joint 58th of 67 for the warmest December highs and 23rd of 67 for the driest December (rainfall, lowest first). The mean December high of those 67 cities is 27.9°C; La Plata is 1.8°C cooler than that mean.
From December to January, average highs rise by 1.3°C to 27.4°C, and monthly rainfall rises from 82 mm to 92 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
La Plata climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 27.4°C19.9°C | 19.9°C | 92 | 8.0 | 14.214 h |
| February | 26.3°C19.3°C | 19.3°C | 87 | 8.8 | 13.413 h |
| March | 24.4°C17.7°C | 17.7°C | 84 | 7.6 | 12.312 h |
| April | 20.8°C14.3°C | 14.3°C | 86 | 7.6 | 11.211 h |
| May | 17.0°C11.2°C | 11.2°C | 60 | 6.1 | 10.310 h |
| June | 14.1°C8.3°C | 8.3°C | 62 | 5.9 | 9.810 h |
| July | 13.1°C7.2°C | 7.2°C | 64 | 6.3 | 10.010 h |
| August | 15.3°C8.5°C | 8.5°C | 68 | 6.1 | 10.811 h |
| September | 17.0°C10.0°C | 10.0°C | 72 | 6.9 | 11.812 h |
| October | 19.9°C12.8°C | 12.8°C | 102 | 9.5 | 12.913 h |
| November | 23.1°C15.5°C | 15.5°C | 93 | 8.5 | 13.914 h |
| December, selected | 26.1°C18.1°C | 18.1°C | 82 | 8.5 | 14.414 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
- Berisso in DecemberArgentina · 9 kmHigh 26.0°C · Low 18.4°C · 76 mm rain
- Berazategui in DecemberArgentina · 29 kmHigh 26.1°C · Low 18.4°C · 81 mm rain
- Quilmes in DecemberArgentina · 35 kmHigh 26.6°C · Low 18.1°C · 81 mm rain
- San Vicente in DecemberArgentina · 44 kmHigh 27.4°C · Low 16.8°C · 86 mm rain
- Lomas de Zamora in DecemberArgentina · 45 kmHigh 26.9°C · Low 17.9°C · 85 mm rain
- Avellaneda in DecemberArgentina · 48 kmHigh 26.7°C · Low 18.5°C · 81 mm rain
- Buenos Aires in DecemberArgentina · 52 kmHigh 26.3°C · Low 18.6°C · 87 mm rain
- Ezeiza in DecemberArgentina · 53 kmHigh 27.5°C · Low 17.2°C · 85 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 La Plata) is explained once on the La Plata year overview and on the Sources, method and limits page.