Montevideo in December
In December, Montevideo averages 25°C (77°F) during the day and 18°C (65°F) at night, with around 13 days of rain (70 mm total).
Peak seasonConditions are comfortable for sightseeing without being sweltering. Plan for unsettled weather and bring rain gear.
December offers comfortable temperatures in Montevideo, with some rain to plan around.
How December compares to the rest of the year in Montevideo
December is one of the warmest months in Montevideo (3rd of 12) and moderately rainy compared to the rest of the year (9th of 12). Daytime temperature runs 5°C above the annual average (20°C). December runs 3°C warmer than November (22°C) and warms a further 2°C into January (27°C).
December sunrise & sunset in Montevideo
Times shown for Montevideo local time (America/Montevideo), calculated for the 15th of December. They shift by a few minutes day to day across the month.
Photography light in Montevideo — December
Golden-hour and blue-hour windows for the 15th of December, in Montevideo's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Montevideo 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 Montevideo's popularity.
Crowds & pricing — December in Montevideo
Montevideo 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 Montevideo
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.
Sea temperature in Montevideo — December
Across the year Montevideo's sea swings from 11.1°C (July) to 24.7°C (January) — December sits at 22.9°C.
Montevideo in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 27°C / 80°F | 20°C / 68°F | 84 mm | 14 | — |
| February | 26°C / 79°F | 20°C / 67°F | 99 mm | 15 | — |
| March | 24°C / 75°F | 18°C / 64°F | 83 mm | 16 | — |
| April | 21°C / 70°F | 16°C / 60°F | 103 mm | 14 | — |
| May | 17°C / 63°F | 12°C / 54°F | 83 mm | 14 | — |
| June | 15°C / 58°F | 9°C / 49°F | 66 mm | 13 | — |
| July | 14°C / 57°F | 9°C / 48°F | 110 mm | 14 | — |
| August | 16°C / 60°F | 10°C / 49°F | 91 mm | 12 | — |
| September | 17°C / 62°F | 11°C / 51°F | 77 mm | 12 | — |
| October | 19°C / 66°F | 13°C / 55°F | 90 mm | 15 | — |
| November | 22°C / 72°F | 16°C / 60°F | 76 mm | 12 | — |
| December | 25°C / 77°F | 18°C / 65°F | 70 mm | 13 | — |
Other cities with similar December weather
🌍 See the full ranked list of climate twins for Montevideo in December →
Frequently asked questions
How hot is Montevideo in December?
In December, Montevideo averages a high of 25°C (77°F) and a low of 18°C (65°F) — generally warm.
Does it rain a lot in Montevideo in December?
December can be fairly wet in Montevideo, with about 13 rainy days on average.
Is December a good time to visit Montevideo?
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 Montevideo in December?
Pack light layers for warm days and cooler evenings, plus a compact umbrella or rain jacket. See the full December packing list for Montevideo for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.