Mar del Plata in December
In December, Mar del Plata averages 24°C (75°F) during the day and 15°C (59°F) at night, with around 9 days of rain (85 mm total).
Peak seasonConditions are comfortable for sightseeing without being sweltering. Occasional showers are likely but won't dominate.
December is a great month to visit Mar del Plata: pleasant temperatures and relatively few wet days.
How December compares to the rest of the year in Mar del Plata
December is one of the warmest months in Mar del Plata (3rd of 12) and moderately rainy compared to the rest of the year (7th of 12). Daytime temperature runs 5°C above the annual average (19°C). December runs 3°C warmer than November (21°C) and warms a further 2°C into January (26°C).
December sunrise & sunset in Mar del Plata
Times shown for Mar del Plata local time (America/Argentina/Buenos_Aires), calculated for the 15th of December. They shift by a few minutes day to day across the month.
Photography light in Mar del Plata — December
Golden-hour and blue-hour windows for the 15th of December, in Mar del Plata's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Mar del Plata in December
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on December's tier (Peak season) and Mar del Plata's popularity.
Crowds & pricing — December in Mar del Plata
Mar del Plata is in peak season during this month — expect bigger crowds at famous sights, higher hotel and flight prices, and longer queues. Restaurant reservations a few days out are advisable, and any boutique hotels you have your eye on should be booked weeks ahead. The trade-off: most attractions, restaurants, and seasonal services are fully open, the weather is at its most reliable, and the city feels at its most alive.
Why this tier: excellent tourism weather
Sun & mosquito risk — December in Mar del Plata
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Mar del Plata in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 26°C / 78°F | 17°C / 63°F | 80 mm | 9 | — |
| February | 24°C / 76°F | 17°C / 63°F | 80 mm | 9 | — |
| March | 23°C / 73°F | 16°C / 60°F | 79 mm | 9 | — |
| April | 19°C / 67°F | 13°C / 56°F | 94 mm | 9 | — |
| May | 16°C / 60°F | 10°C / 50°F | 55 mm | 8 | — |
| June | 13°C / 56°F | 7°C / 45°F | 45 mm | 7 | — |
| July | 12°C / 54°F | 6°C / 43°F | 76 mm | 8 | — |
| August | 14°C / 57°F | 7°C / 44°F | 44 mm | 5 | — |
| September | 15°C / 59°F | 8°C / 46°F | 56 mm | 7 | — |
| October | 17°C / 63°F | 10°C / 49°F | 69 mm | 10 | — |
| November | 21°C / 69°F | 13°C / 55°F | 77 mm | 9 | — |
| December | 24°C / 75°F | 15°C / 59°F | 85 mm | 9 | — |
Other cities with similar December weather
🌍 See the full ranked list of climate twins for Mar del Plata in December →
Frequently asked questions
How hot is Mar del Plata in December?
In December, Mar del Plata averages a high of 24°C (75°F) and a low of 15°C (59°F) — generally warm.
Does it rain a lot in Mar del Plata in December?
December sees occasional rain in Mar del Plata, with about 9 rainy days on average.
Is December a good time to visit Mar del Plata?
December is warm. It suits travelers who are comfortable with warm weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Mar del Plata in December?
Pack light layers for warm days and cooler evenings. See the full December packing list for Mar del Plata for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.