Monthly climate guide
La Plata weather in December
With highs near 29°C (84°F) and lows around 17°C (62°F), December feels hot in La Plata. Rainfall averages about 98 mm (wet) and the sky is a mix of sun and cloud. Daytime highs are 4°C warmer than November and about the same as January.
What stands out in December
- It's one of the sunniest months here, with cloud cover around 41%.
- Afternoons and nights feel like different seasons, roughly 13°C apart.
- Seasonally, December counts as early summer in La Plata — the seasons are reversed south of the equator.
- December is La Plata's third warmest month.
Avg high
29°C
84°F
Avg low
17°C
62°F
Rainfall
98 mm
wet
Humidity
64%
relative
Sky
41%
cloud · a mix of sun and cloud
La Plata weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 30°C / 87°F | 19°C / 65°F | 98 mm | 65% | 41% |
| February | 29°C / 85°F | 18°C / 65°F | 107 mm | 69% | 46% |
| March | 26°C / 80°F | 15°C / 60°F | 86 mm | 71% | 42% |
| April | 23°C / 73°F | 13°C / 55°F | 106 mm | 77% | 50% |
| May | 18°C / 65°F | 10°C / 49°F | 81 mm | 83% | 58% |
| June | 15°C / 59°F | 6°C / 43°F | 52 mm | 83% | 55% |
| July | 14°C / 57°F | 5°C / 41°F | 82 mm | 84% | 58% |
| August | 16°C / 62°F | 7°C / 44°F | 80 mm | 81% | 54% |
| September | 19°C / 65°F | 8°C / 47°F | 86 mm | 78% | 51% |
| October | 21°C / 70°F | 11°C / 51°F | 110 mm | 77% | 54% |
| November | 25°C / 78°F | 14°C / 57°F | 101 mm | 70% | 45% |
| December | 29°C / 84°F | 17°C / 62°F | 98 mm | 64% | 41% |
What to pack for December
- Light, breathable clothing (cotton or linen)
- A sun hat and high-SPF sunscreen
- A refillable water bottle
- An extra layer — evenings are noticeably cooler than afternoons
- A compact umbrella or packable rain jacket
- Water-resistant shoes
Is December a good time to visit La Plata?
Compare the months in the chart above to find your ideal window.
Best time to visit La Plata →Other Argentina cities in December
Cite or embed this data
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La Plata weather in December. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/argentina/la-plata/december
<a href="https://weathercompare.eu/weather/argentina/la-plata/december">La Plata weather in December</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/argentina/la-plata" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="La Plata weather in December"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/argentina/la-plata/december">La Plata weather in December</a> – WeatherCompare</p>
La Plata in December: quick answers
Is December a good time to visit La Plata?
December is one of the wetter months in La Plata, with about 98 mm of rain. You can still go: pack a rain jacket and keep plans flexible.
How warm is La Plata in December?
Average highs are about 29°C (84°F) and average lows about 17°C (62°F), based on 10 years of daily data.
Does it rain a lot in La Plata in December?
La Plata typically gets around 98 mm of rain in December — wet.
Figures are long-term averages for the area around La Plata (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.