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Montevideo in August: Weather, Average temperature and Climate

Take a look at past year’s weather for Montevideo in August and see if it is worth visiting.
Check flight prices to Montevideo on Avionero:
August

Weather in Montevideo in August 2024

OK Weather
Mild
☁️
Cloudy
If you plan to visit Montevideo in August, the weather is typically alright, with an average high temperature of +59°F during the day and approximately 11 sunny days. Expect some rainy, though, as there are typically 6 rainy days in the month and around 84 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flights in one click on Avionero.

Average weather

☀️
+59°F
Avg. max. temperature
+32°F
Min.
+88°F
Max.
84 mm
Total precipitation
78%
Avg. humidity
4 m/s
Avg. wind
11 ☀️
Sunny Days
14 ⛅️
Cloudy
6 🌦
Rainy
Our opinion: Montevideo has OK weather in August.

Average temperature in Montevideo in August

Here are the expected maximum, average and minimum temperatures in Montevideo for August based on the historical data.
Last Year
Historical Data

The temperature in August is +59°F on average, with a range between a maximum of +68°F during the day and a minimum of +43°F at night.

The average maximum temperature goes up 29% by the end of the month, compared with the beginning of the month, from +55°F to +63°F.

Is Montevideo warm or cold in August?

Montevideo is typically mild in August.

Maximum temperatures go up compared to the previous month from +57°F to +59°F. The minimum temperature also goes up from +46°F to +48°F.

Pack a light jacket as it will be warm in the day and cool in the evenings.

August is one of the coolest months in Montevideo, here is the comparison with other months:

Climate in Montevideo in August

Montevideo weather looks like this, on average, in August and the surrounding months.
JulyAugustSeptember
Avg. temperature
+57°F+59°F+61°F
Min. temperature
+28°F+32°F+34°F
Max. temperature
+81°F+88°F+90°F
Rainfall
84 mm84 mm84 mm
Wind
4 m/s4 m/s4 m/s
Humidity
79%78%76%
Air pressure
1017 HPa1017 HPa1017 HPa
Sunny days
111111
Cloudy days
141413
Rainy days
666
Snowy days
000

August weather is still as ok as in July. It’s getting warmer as August arrives. The average maximum temperature goes up from +57°F to +59°F during the day. The rainfall amount in August stays the same as in the previous month with a 84 mm of total precipitation. It feels drier, as humidity decreases from 79% to 78%. The average wind speed doesn’t change much during August, staying around 4 m/s. The amount of sunny days stay about the same, averaging 11 sunny days during the month.

September brings much the same weather, it remains ok.

Wind

Wind speed in Montevideo in August based on historical data.
Last Year
Historical Data

The average wind speed is 4 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Montevideo is gradually increasing during August, going from 2 m/s to 4 m/s over the course of the month.

Rain

Amount of rainfall in mm during August in Montevideo based on historical data.
Last Year
Historical Data
Typically, there is a 13% chance of rain on an average day in August, with total rainfall of approximately 67 mm. The maximum amount of rainfall per day is around 53 mm, which is considered heavy rain. Montevideo is amazing in August with as little as 4 rainy days on average, so plan adventures in the great outdoors.
Here’s how August is compared with other months in the amount of precipitation, total mm:
Montevideo wettest month is May, where a typical day has a 19% chance of precipitation and 135 mm of rainfall per day. January, on the other hand, is the driest month with a mere 13% chance of precipitation and 65 mm of rainfall per day.

How was the weather last August in Montevideo?

This is the weather in Montevideo in August 2023:
1 August
☀️
+56°F
2 August
☁️
+58°F
3 August
☀️
+56°F
4 August
☁️
+53°F
5 August
☀️
+52°F
6 August
☀️
+54°F
7 August
☁️
+50°F
8 August
☁️
+53°F
9 August
☀️
+53°F
10 August
🌫️
+53°F
11 August
☀️
+59°F
12 August
☀️
+63°F
13 August
☀️
+64°F
14 August
☀️
+68°F
15 August
☀️
+64°F
16 August
☀️
+63°F
17 August
☀️
+58°F
18 August
☀️
+52°F
19 August
☀️
+57°F
20 August
☀️
+59°F
21 August
☀️
+58°F
22 August
☁️
+55°F
23 August
☀️
+60°F
24 August
☀️
+64°F
25 August
☀️
+65°F
26 August
🌫️
+64°F
27 August
☁️
+64°F
28 August
☁️
+51°F
29 August
☀️
+54°F
30 August
☀️
+59°F
31 August
☀️
+63°F
In August 2023 Montevideo had 22 sunny days, 7 cloudy days, and 0 rainy days. The average maximum temperature was +59°F, with an absolute maximum of +68°F and a minimum of +50°F. The average humidity was 75%, with a maximum of 100% and a minimum of 26%. The average wind speed was 4 m/s, with a maximum of 10 m/s and a minimum of 0 m/s.
Are you planning a trip in August?

Climate Change Over the Years

This is how Montevideo climate has changed over the last 43 years.

The climate in Montevideo in August has not changed that much over the last 43 years.

The average temperature was the lowest in 2007 (+57°F) and the highest in 2001 (+68°F). The driest year was 2013 with only 15 mm of rainfall, and the wettest year was 1997 with 292 mm.

FAQ

Frequently asked questions about the weather in Montevideo in August:

Is August a good time to visit Montevideo?

It’s always a good time to visit Montevideo, but the weather is changeable in August, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Montevideo in August?

August has mild temperatures in Montevideo. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Is Montevideo rainy in August?

Montevideo is often rainy in August. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Montevideo in August?

The amount of sunny days in Montevideo during August varies; prepare for a mix of clouds and sun.

Monthly weather in Montevideo

Source of the data

For this page, we’ve looked at the typical weather in Montevideo, based on historical hourly weather data from January 1, 1979, to December 31, 2022.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.