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Climate · Montevideo

Montevideo in August

Mild and mostly dry, as the days lengthen.

Typical weather, averaged over 30 years

August in Montevideo is mild: highs near 61°F, lows near 49°F. Rain falls on about two days a week, and the days lengthen by 54 minutes from the first week to the last.August in Montevideo is mild: highs near 16°C, lows near 9°C. Rain falls on about two days a week, and the days lengthen by 54 minutes from the first week to the last.

High
61°F16°Caverage
Low
49°F9°Caverage
Wet days
2a week · 28% of days
Daylight
10h 52mon average

Is August a good time to visit Montevideo?

August sits outside Montevideo's best months, which run from December to March. Expect mild days and rain on about two days a week.

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 August sits in the year

week by week

Temperature

Highs near 61°F in August, against 59°F to 81°F through the year.Highs near 16°C in August, against 15°C to 27°C through the year.

Chance of a wet day

28% of days in August, against 22% to 31% through the year.

Cloud cover

52% cover in August, against 30% to 55% through the year.

Daylight

10h 52m in August, against 9h 51m to 14h 28m through the year.

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

Either side

  1. July59°15°low 48°low 9°2 wet days a weekRain on about two days a week.
  2. August61°16°low 49°low 9°2 wet days a weekRain on about two days a week.
  3. September63°17°low 51°low 11°2 wet days a weekRain on about two days a week.

Where Montevideo sits, in August

America/Montevideo
this place
typical high in August 40°F4°C95°F35°C
Sunrise, mid-August
7:26 AMsets 6:13 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 August, 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 August

high · low · wet days
See August on the planning mapThe whole year in Montevideo

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.