The month in detail
What to expect in December
Summer in Montevideo brings pleasant temperatures (25°C) and long sunny days (9.1h of sunshine). Rain risk remains low (23% of days), leaving good room for outdoor activities. A good balance between weather and crowds, even if January (8.8/10) remains theoretically better.
December ranks 2 out of 12 months in Montevideo. Compared to November: +3°C daytime, +0.8h of sun per day.
This month's conditions
What it's like in December
UV index
9 · very high
protection essential
Feels like
comfortable
15°
Sea
23°C
pleasant for swimming
Daylight
14.3h of daylight
Air quality
good
AQI 22
Compare
Is December the right month?
The best month in Montevideo is January (8.8/10), 0.3 pt higher than December.
Book
Plan your trip
Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.
Stay
Hotels & rentals · Montevideo
Expedia →
Activities
Tours, tickets, experiences
See ↓
Flights
Multi-airline comparator
Kiwi →
🎟️ Activities & tours · Montevideo
GetYourGuide selection · free cancellation
Practical info
What you need to know before you go
Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a beach holiday.
Country · Uruguay
🗣️LanguageSpanish
💶CurrencyPeso uruguayen ($)
🚗DrivingRight-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘModerate · 3/5
🌡️ Climate
🌍Climate typeTemperate oceanic
📈Climate trend ⓘStable
🔥Hottest monthJanuary · 26°C
❄️Coolest monthJuly · 13°C
🌧️Rainiest month ⓘApril · 23%
🏖️ Beach holiday
📅Peak seasonJuin → Sept
🏖️Swell (Sept–Mar) ⓘModérée
Explore
Other destinations in December
If December doesn't convince you for this destination, compare with others.
Location
Where is Montevideo ?
Global position + regional geographic context.
🌍 World
🔍 Geographic context
UruguayTemperate oceanic climate with a 8.8 → 4.2 gap between best and worst month. 10 years of ERA5 data to choose by project.
34.90°S · 56.19°W
Questions
Frequently asked questions
What is the best time to visit Montevideo?
January is the best month with 26.0°C highs, 20.0°C lows, 9.5h of sunshine and 19.0% rainy days. The months of January & February offer comparable conditions.
How many hours of sunshine does Montevideo get in January?
Montevideo averages 9.5 sunshine hours per day in January. It is the sunniest month with a climate score of 8.3/10.
What is the rainiest month in Montevideo?
June is the most unfavourable month with June has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Montevideo in January?
In January, overnight lows reach 20.0°C, while afternoon highs average 26.0°C.
Is Montevideo good in winter?
In winter (December-February), Montevideo scores 8.1/10 on average — Decent period conditions for cultural visits.. The best month overall remains January with a score of 8.3/10.
When should you avoid Montevideo?
June is the most difficult month to visit Montevideo, with June has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Can you swim in Montevideo in December?
In December, the sea averages 23°C in Montevideo: pleasant for swimming. Swimming is pleasant without a wetsuit.
Do you need sun protection in Montevideo in December?
The average UV index reaches 9 in December in Montevideo (very high), with about 14.3h of daylight. Protection essential.