Climate averages 1991–2020
San Vicente weather
in December.
A warm, moderately wet month: the joint 2nd warmest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a warm month in San Vicente: daytime highs average 27.4°C and nights cool to about 16.8°C. By daytime temperature it is the joint 2nd warmest of the 12 months.
Expect about 86 mm of rain on roughly 9 days, which makes December a moderately wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 28 min on an average December day.
The nearest other city in this atlas is Ezeiza (21 km away). In December its highs average 27.5°C, about as warm as San Vicente, with 85 mm of rain.
Among the 67 cities listed in Argentina, San Vicente ranks joint 49th of 67 for the warmest December highs and 29th of 67 for the driest December (rainfall, lowest first). The mean December high of those 67 cities is 27.9°C; San Vicente is 0.4°C cooler than that mean.
From December to January, average highs rise by 1.3°C to 28.7°C, and monthly rainfall rises from 86 mm to 89 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
San Vicente climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.7°C18.6°C | 18.6°C | 89 | 7.9 | 14.214 h |
| February | 27.4°C17.9°C | 17.9°C | 90 | 8.6 | 13.413 h |
| March | 25.3°C16.3°C | 16.3°C | 81 | 7.2 | 12.312 h |
| April | 21.5°C12.7°C | 12.7°C | 90 | 8.2 | 11.211 h |
| May | 17.7°C9.7°C | 9.7°C | 59 | 6.1 | 10.310 h |
| June | 14.7°C6.8°C | 6.8°C | 60 | 5.6 | 9.810 h |
| July | 13.8°C5.7°C | 5.7°C | 59 | 6.1 | 10.010 h |
| August | 16.2°C7.1°C | 7.1°C | 64 | 5.9 | 10.811 h |
| September | 18.0°C8.6°C | 8.6°C | 72 | 7.0 | 11.812 h |
| October | 20.9°C11.4°C | 11.4°C | 106 | 9.4 | 12.913 h |
| November | 24.2°C14.1°C | 14.1°C | 94 | 8.4 | 13.914 h |
| December, selected | 27.4°C16.8°C | 16.8°C | 86 | 8.6 | 14.514 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
- Ezeiza in DecemberArgentina · 21 kmHigh 27.5°C · Low 17.2°C · 85 mm rain
- Lomas de Zamora in DecemberArgentina · 30 kmHigh 26.9°C · Low 17.9°C · 85 mm rain
- Laferrere in DecemberArgentina · 34 kmHigh 27.6°C · Low 17.4°C · 85 mm rain
- Berazategui in DecemberArgentina · 35 kmHigh 26.1°C · Low 18.4°C · 81 mm rain
- Quilmes in DecemberArgentina · 37 kmHigh 26.6°C · Low 18.1°C · 81 mm rain
- Isidro Casanova in DecemberArgentina · 39 kmHigh 27.5°C · Low 17.5°C · 85 mm rain
- Avellaneda in DecemberArgentina · 41 kmHigh 26.7°C · Low 18.5°C · 81 mm rain
- La Plata in DecemberArgentina · 44 kmHigh 26.1°C · Low 18.1°C · 82 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 San Vicente) is explained once on the San Vicente year overview and on the Sources, method and limits page.