Monthly weather forecast and climate
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 January

January, like December, in Montevideo, Uruguay, is another warm summer month, with average temperature ranging between min 18°C (64.4°F) and max 28.4°C (83.1°F). The warmest month is January, with an average high-temperature of 28.4°C (83.1°F) and an average low-temperature of 18°C (64.4°F). In January, the average heat index is evaluated at a tropical 31.2°C (88.2°F). Weather in January »

Weather in February

The last month of the summer, February, is also a moderately hot month in Montevideo, Uruguay, with average temperature varying between 27.5°C (81.5°F) and 17.9°C (64.2°F). In Montevideo, Uruguay, the average high-temperature is relatively the same as in January - a still warm 27.5°C (81.5°F). Weather in February »

Weather in March

March, the first month of the autumn, in Montevideo, is still a warm month, with average temperature fluctuating between 25.5°C (77.9°F) and 16.2°C (61.2°F). In Montevideo, the average high-temperature in March is relatively the same as in February - a still warm 25.5°C (77.9°F). Weather in March »

Weather in April

April, like March, is another pleasant autumn month in Montevideo, Uruguay, with average temperature ranging between max 22°C (71.6°F) and min 12.9°C (55.2°F). In April, the average high-temperature marginally drops, from a moderately hot 25.5°C (77.9°F) in March, to an agreeable 22°C (71.6°F). Weather in April »

Weather in May

The last month of the autumn, May, is another comfortable month in Montevideo, Uruguay, with average temperature ranging between min 10.2°C (50.4°F) and max 18.6°C (65.5°F). In May, the average high-temperature slightly decreases, from an agreeable 22°C (71.6°F) in April, to an enjoyable 18.6°C (65.5°F). Weather in May »

Weather in June

June, the first month of the winter, in Montevideo, is also a moderate month, with average temperature fluctuating between 15.1°C (59.2°F) and 7.7°C (45.9°F). In June, the average high-temperature marginally drops, from a comfortable 18.6°C (65.5°F) in May, to a moderate 15.1°C (59.2°F). Weather in June »

Weather in July

July, like June, is another mild winter month in Montevideo, Uruguay, with average temperature varying between 15°C (59°F) and 7.2°C (45°F). With an average high-temperature of 15°C (59°F) and an average low-temperature of 7.2°C (45°F), July is the coldest month. Weather in July »

Weather in August

The last month of the winter, August, is a comfortable 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). In Montevideo, the average high-temperature in August is almost the same as in July - a comfortable 16.2°C (61.2°F). Weather in August »

Weather in September

The first month of the spring, September, is also an enjoyable month in Montevideo, Uruguay, with average temperature varying between 9.1°C (48.4°F) and 18°C (64.4°F). In September, the average high-temperature is relatively the same as in August - a still comfortable 18°C (64.4°F). Weather in September »

Weather in October

October is a pleasant spring month in Montevideo, Uruguay, with average temperature ranging between min 11.5°C (52.7°F) and max 20.5°C (68.9°F). In October, the average high-temperature is essentially the same as in September - a pleasant 20.5°C (68.9°F). Weather in October »

Weather in November

November, the last month of the spring, in Montevideo, is a moderately hot month, with average temperature ranging between min 14.2°C (57.6°F) and max 23.7°C (74.7°F). In November, the average high-temperature slightly increases, from a pleasant 20.5°C (68.9°F) in October, to a moderately hot 23.7°C (74.7°F). Weather in November »

Weather in December

The first month of the summer, December, is also a moderately hot month in Montevideo, Uruguay, with average temperature ranging between max 26.5°C (79.7°F) and min 16.3°C (61.3°F). In Montevideo, the average high-temperature in December is essentially the same as in November - a still warm 26.5°C (79.7°F). Weather in December »
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FAQ

What is the warmest month in Montevideo?

The warmest month is January, with an average high-temperature of 28.4°C (83.1°F) and an average low-temperature of 18°C (64.4°F).

How much does it rain in Montevideo?

In Montevideo, during the entire year, the rain falls for 77 days and collects up to 1101.2mm (43.35") of precipitation.

What month is the sea warmest in Montevideo?

January is the month with the warmest seawater in Montevideo, with an average sea temperature of 24.2°C (75.6°F).

What month has the most sunshine in Montevideo?

With an average of 9.5h of sunshine, January has the most sunshine of the year in Montevideo, Uruguay.

What is the month with the highest UV index in Montevideo?

Months with the highest UV index in Montevideo, Uruguay, are January and December, with an average maximum UV index of 12.

What is the most humid month in Montevideo?

With an average relative humidity of 82%, June is the most humid month.

What is the driest month in Montevideo?

The month with the least rainfall is June when the rain falls for 7 days and typically collects 83.1mm (3.27") of precipitation.

What is the month with the shortest days in Montevideo?

The month with the shortest days is June, with an average of 9.8h of daylight.

What is the month with the least sunshine in Montevideo?

June has the least sunshine of the year in Montevideo, with an average of 4.3h of sunshine.

What is the month with the lowest UV index in Montevideo?

Months with the lowest UV index in Montevideo are June and July, with an average maximum UV index of 2.

What is the coldest month in Montevideo?

With an average high-temperature of 15°C (59°F) and an average low-temperature of 7.2°C (45°F), July is the coldest month in Montevideo, Uruguay.

What month is the sea coldest in Montevideo?

With an average sea temperature of 11.3°C (52.3°F), July is the month with the coldest seawater in Montevideo, Uruguay.

What is the wettest month in Montevideo?

October is the month with the most rainfall in Montevideo. Rain falls for 7 days and accumulates 108.5mm (4.27") of precipitation.

What is the least humid month in Montevideo?

December is the least humid month, with an average relative humidity of 67%.

When are the longest days in Montevideo?

December has the longest days of the year in Montevideo, with an average of 14.5h of daylight.

Average humidity
Montevideo, Uruguay

Average humidity - Montevideo, Uruguay

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
Montevideo, Uruguay

Average rainfall - Montevideo, Uruguay

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
Montevideo, Uruguay

Average rainfall days - Montevideo, Uruguay

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

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Average sea temperature
Montevideo, Uruguay

Average sea temperature - Montevideo, Uruguay

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 / Average sunshine
Montevideo, Uruguay

Average daylight / Average sunshine - Montevideo, Uruguay

The month with the longest days is December (Average daylight: 14.5h).
The month with the shortest days is June (Average daylight: 9.8h).

The month with the most sunshine is January (Average sunshine: 9.5h).
The month with the least sunshine is June (Average sunshine: 4.3h).

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