December · Uruguay
Best time to visit Montevideo in December Weather, crowds & prices
Weather in Montevideo in December
Average temperature 21°C, 110 mm of rain, about 31 days with 6+ hours of sunshine and 70% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
8.1/10
Ranked #6 of 12 months
- Avg temp
- 21°C
- Rainfall
- 110 mm
- Humidity
- 70%
- Days with 6h+ sun
- 31
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
December in Montevideo scores 8.1/10 for sightseeing and cultural travel - an above-average month (#6 of 12). Expect around 21°C, 110 mm of rain, and roughly 31 days with 6+ hours of sunshine this month.
Montevideo's rambla, markets and art deco give Uruguay's capital a relaxed riverside rhythm.
December in Montevideo — reliably good (6th best month)
December averages 21°C (70°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.
Monthly rainfall reaches 110 mm — wet for this destination — but about 31 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.
It scores 8.1/10 here, 6th of 12 months, against 9.6/10 in the destination's best month.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella.
Figure on mid-season pricing, with crowds are moderate.
Flexible dates? October scores 1.5 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Montevideo in December?
- In December, Montevideo averages 21°C, 110 mm of rain, and about 31 days with 6+ hours of sunshine. Its climate-comfort score is 8.1/10.
- Is December a good time to visit Montevideo?
- December earns a 8.1/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Montevideo in December?
- Expect about 110 mm of rain in December. Average humidity is 70% and there are about 31 days with 6+ hours of sunshine.
Curated in Montevideo
Tickets & experiences
Things to do in Montevideo
Montevideo, Uruguay. Live activities and tours from GetYourGuide, matched to this destination.