August weather forecast
Montevideo, Uruguay

Beautiful lawns and palm trees in the independence square outside the Centrally placed Salvo Palace in Montevideo, Uruguay
Beautiful lawns and palm trees in the independence square outside the Centrally placed Salvo Palace in Montevideo, Uruguay

Weather in August

The last month of the winter, August, is an enjoyable month in Montevideo, Uruguay, with temperature in the range of an average high of 16.2°C (61.2°F) and an average low of 7.8°C (46°F).

Temperature

In Montevideo, the average high-temperature in August is essentially the same as in July - a comfortable 16.2°C (61.2°F). In Montevideo, the average low-temperature is 7.8°C (46°F).

Humidity

In Montevideo, the average relative humidity in August is 77%.

Rainfall

In August, the rain falls for 6 days. Throughout August, 88.2mm (3.47") of precipitation is accumulated. In Montevideo, during the entire year, the rain falls for 77 days and collects up to 1101.2mm (43.35") of precipitation.

Sea temperature

In Montevideo, the average seawater temperature in August is 12.1°C (53.8°F).
Note: Swimming in 12.1°C (53.8°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

Daylight

The average length of the day in August is 10h and 52min.
On the first day of the month, sunrise is at 07:38 and sunset at 18:03. On the last day of August, sunrise is at 07:04 and sunset at 18:25 -03.

Sunshine

The average sunshine in August in Montevideo is 5.3h.

UV index

In Montevideo, the average daily maximum UV index in August is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: The average daily UV index of 4 in August transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the average humidity in August in Montevideo?

The average relative humidity in August is 77%.

How many days does it rain in August in Montevideo?

In Montevideo, during August, the rain falls for 6 days and regularly aggregates up to 88.2mm (3.47") of precipitation.

What is the sea water temperature in August in Montevideo?

In Montevideo, the average seawater temperature in August is 12.1°C (53.8°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

What is the average length of the day in August in Montevideo?

The average day length in August in Montevideo is 10h and 52min.

When is the sunrise / sunset in August in Montevideo?

On the first day of August in Montevideo, Uruguay, sunrise is at 07:38 and sunset at 18:03. On the last day of the month, sunrise is at 07:04 and sunset at 18:25 -03.

How long on average sun shines in August in Montevideo?

In August, the average sunshine duration in Montevideo, Uruguay, is 5.3h.

What is the UV index reading in August in Montevideo?

In Montevideo, the average daily maximum UV index in August is 4. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average sunshine
Average UV index

Average temperature in August
Montevideo, Uruguay

Average temperature in August - Montevideo, Uruguay
  • Average high temperature in August: 16.2°C

The warmest month (with the highest average high temperature) is January (28.4°C).
The month with the lowest average high temperature is July (15°C).

  • Average low temperature in August: 7.8°C

The month with the highest average low temperature is January (18°C).
The coldest month (with the lowest average low temperature) is July (7.2°C).

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Average humidity in August
Montevideo, Uruguay

Average humidity in August - Montevideo, Uruguay
  • Average humidity in August: 77%

The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is December (67%).

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Average rainfall in August
Montevideo, Uruguay

Average rainfall in August - Montevideo, Uruguay
  • Average rainfall in August: 88.2mm

The wettest month (with the highest rainfall) is October (108.5mm).
The driest month (with the least rainfall) is June (83.1mm).

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Average rainfall days in August
Montevideo, Uruguay

Average rainfall days in August - Montevideo, Uruguay
  • Average rainfall days in August: 6 days

The months with the highest number of rainy days are February, June, July, October and November (7 days).
The months with the least rainy days are January, March, April, May, August, September and December (6 days).

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Average sea temperature in August
Montevideo, Uruguay

Average sea temperature in August - Montevideo, Uruguay
  • Average sea temperature in August: 12.1°C

The best month for swimming (with the highest average sea temperature) is January (24.2°C).
The coldest month (with the lowest average sea temperature) is July (11.3°C).

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Average daylight in August /
Average sunshine in August
Montevideo, Uruguay

Average daylight in August / Average sunshine in August - Montevideo, Uruguay
  • Average daylight in August: 10h and 52min

The month with the longest days is December (Average daylight: 14h and 28min).
The month with the shortest days is June (Average daylight: 9h and 51min).

  • Average sunshine in August: 5h and 18min

The month with the most sunshine is January (Average sunshine: 9h and 30min).
The month with the least sunshine is June (Average sunshine: 4h and 18min).

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Average UV index in August
Montevideo, Uruguay

Average UV index in August - Montevideo, Uruguay
  • Average UV index in August: 4

The months with the highest UV index are January and December (UV index 12).
The months with the lowest UV index are June and July (UV index 2).

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