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UruguayThe weather in August in Montevideo
It's pleasantly warm in August in Montevideo with an average temperature of 19°C. Temperatures this month range from a low of 16°C to a high of 22°C. At night, you can expect temperatures between 5°C and 10°C.
Looking for sun? August isn’t a good month to be in Montevideo. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in August for Montevideo, Uruguay. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 32°C in 2023, Montevideo reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 9°C in 2019. The extreme nighttime temperatures ranged from a lowest recorded value of -3°C to a highest value of 21°C.
Rainfall amount
In August, there is an average of 119 mm of precipitation, spread over 15 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
Daily weather in August for Montevideo
Click on any day in August to get detailed info about the usual weather on that day in Montevideo. Check out the historical temperatures and precipitation over the past 10 years on this day.
August weather comparison
| Montevideo | New York | |
|---|---|---|
| Average temperature | 19°C | 30°C |
| Max. temperature | 22°C | 31°C |
| Min. temperature | 5°C | -5°C |
| Total precipitation | 119 mm | 79 mm |
| Rainy days | 15 days | 13 days |
Start of August
The month of August starts in Montevideo with mild temps, averaging around 20°C during the day and nights around 10°C.
Mid August
By mid-August, daytime temps drop to around 19°C, with nights around 8°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of August
By the end of August, the average daytime temperature in Montevideo is around 21°C, while nighttime temps are about 9°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
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UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Check out the climate of Montevideo for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in August in Montevideo, Uruguay. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in August in Montevideo
Temperature in August in Montevideo over the years
Precipitation charts
These charts show the average amount of precipitation in August in Montevideo, Uruguay. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in August in Montevideo
Total precipitation in August in Montevideo over the years
Daily UV index in August in Montevideo
This chart shows the average daily UV index in August in Montevideo, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in August in Montevideo
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Average weather in Montevideo by month
Click on a month below to see detailed weather info for Montevideo. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.