Climate · Montevideo

Montevideo in December

Warm and mostly dry, as the days hold steady.

Typical weather, averaged over 30 years

December in Montevideo is warm: highs near 78°F, lows near 64°F. Rain falls on about two days a week, and daylight holds at about 14 hours 28 minutes.December in Montevideo is warm: highs near 26°C, lows near 18°C. Rain falls on about two days a week, and daylight holds at about 14 hours 28 minutes.

High
78°F26°Caverage
Low
64°F18°Caverage
Wet days
2a week · 25% of days
Daylight
14h 28mon average

Is December a good time to visit Montevideo?


Yes. December is one of Montevideo's best months (December to March).

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How December sits in the year

week by week

Temperature

Highs near 78°F in December, against 59°F to 81°F through the year.Highs near 26°C in December, against 15°C to 27°C through the year.

Chance of a wet day

25% of days in December, against 22% to 31% through the year.

Cloud cover

33% cover in December, against 30% to 55% through the year.

Daylight

14h 28m in December, against 9h 51m to 14h 28m through the year.

Week by week, lightly smoothed, with December shaded. The olive line marks the best months. Hover or tap a week for its figures.

Either side


  1. November73°23°low 60°low 16°2 wet days a weekRain on about two days a week.
  2. December78°26°low 64°low 18°2 wet days a weekRain on about two days a week.
  3. January81°27°low 68°low 20°2 wet days a weekRain on about two days a week.

Where Montevideo sits, in December

America/Montevideo

this place
typical high in December 40°F4°C95°F35°C
Sunrise, mid-December
5:26 AMsets 7:54 PM
Above the sea
40 mlow-lying
Latitude
34.9°Ssouthern hemisphere
Nearest of ours
Punta del Este114 km east

The land around Montevideo, shaded by its typical high in December, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Elsewhere in Uruguay in December

high · low · wet days

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Montevideo. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match.Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match. Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.