La Plata weather in December
Temperature, rain and sunshine in December: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in December
Excellent
Best time to visit: September – May
What is the weather like in La Plata in December?
In December, La Plata is warm: daytime highs average 26 °C, and nights cool down to about 18 °C. With around 10 hours of sunshine a day, there is plenty of sun. Rain falls on about 8 days, adding up to 79 mm. All in all, December is an excellent month for a holiday in La Plata.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 89 | 91 | 87 |
| Day | 23° | 26° | 28° |
| Night | 16° | 18° | 20° |
| Sun | 9 h | 10 h | 10 h |
| Rain days | 9 | 8 | 8 |
More details for December
- Daylight
- 14 h 29 min05:33 – 20:01
- UV index
- 11 · extremeclear sky, noon (estimate)All months
- Muggy days
- 7 daysdew point 18 °C or moreAll months
- Wind
- 21 km/haverage daily peakAll months
- Cloud cover
- 40 %on averageAll months
- Hot days
- 4 days30 °C or moreAll months
- Time zone
- UTC−3America/Argentina/Buenos_Aires
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %100 %
- Few rainy daysweight 30 %69 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in December
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Rain jacket or umbrella
La Plata in December: quick answers
Is La Plata hot in December?
Warm rather than hot: in December, daytime highs in La Plata average 26 °C and nights cool to about 18 °C. On about 4 days the thermometer climbs to 30 °C or more.
Does it rain much in La Plata in December?
Rain falls on about 8 days, adding up to 79 mm.
La Plata month by month
The whole year in La PlataAll destinations: ArgentinaWhere to go in December
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences