March weather forecast
Montevideo, Uruguay

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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 March

March observes the farewell of Uruguayan summer as temperatures begin to decline, preparing for the arrival of Autumn. There's a shift in the climatological scene as rainfall hits its peak at 105mm (4.13"). Cooler evenings foresee the approaching climate changes and shorter days. Beach visits become less frequent with a reduced thermal comfort of the sea. Outdoor activities remain highly enjoyable despite the increased humidity levels.

Temperature

The onset of March manifests an average high-temperature of a still moderately hot 25.5°C (77.9°F), demonstrating a minor variation from the preceding month. In the month of March, the temperature generally rests at an average low of 16.2°C (61.2°F).

Humidity

The average relative humidity in March in Montevideo, Uruguay, is 73%.

Rainfall

In March, the rain falls for 6 days. Throughout March, 105mm (4.13") of precipitation is accumulated. In Montevideo, during the entire year, the rain falls for 77 days and collects up to 1101mm (43.35") of precipitation.

Sea temperature

In March, the average sea temperature is 22.4°C (72.3°F).
Note: Imagine a swim in 22.4°C (72.3°F) waters. How you'd feel depends on your cold sensitivity, the sun's rays, the caress of the wind, and the warmth enveloping you. Comparatively, Olympic swimmers train in waters between 25°C (77°F) and 28°C (82.4°F).

Daylight

The average length of the day in March is 12h and 17min.
On the first day of March, sunrise is at 06:32 and sunset at 19:21. On the last day of the month, sunrise is at 06:57 and sunset at 18:40 -03.

Sunshine

The average sunshine in March is 7.2h.

UV index

In Montevideo, the average daily maximum UV index in March is 9. A UV Index value of 8 to 10 symbolizes a very high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily high UV index of 9 in March translates into this advice:
Take important precautions because unprotected skin can burn and be harmed swiftly. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Prevent sunburn and harmful radiation by regularly using sunscreen with a 30 SPF rating or higher. Be careful! The Sun's UV radiation is accentuated by reflecting off sand and water.

Frequently asked questions

What are March temperatures?

During March, Montevideo experiences an average high-temperature of 25.5°C (77.9°F) and a low-temperature of 16.2°C (61.2°F). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in February is calculated to be 30°C (86°F).

What is the average humidity in March?

In March, the average relative humidity is 73%.

How much does it rain in March?

In Montevideo, during March, the rain falls for 6 days and regularly aggregates up to 105mm (4.13") of precipitation.

How warm is the water in March?

In Montevideo, the average seawater temperature in March is 22.4°C (72.3°F). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 22.4°C (72.3°F) water.

What is the average length of the day in March?

In March, the average day length is 12h and 17min.

When are sunrise and sunset in March?

In March, on the first day of the month, sunrise is at 06:32 and sunset at 19:21. On the last day of the month, sunrise is at 06:57 and sunset at 18:40 -03.

How many hours of sunshine does Montevideo have in March?

The average sunshine duration in March is 7.2h.

How high is the UV index in March?

In March, the average daily maximum UV index is 9. A UV Index reading of 8 to 10 represents a very high health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in March
Montevideo, Uruguay

Average temperature in March - Montevideo, Uruguay
  • Average high temperature in March: 25.5°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 March: 16.2°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).

Average humidity in March
Montevideo, Uruguay

Average humidity in March - Montevideo, Uruguay
  • Average humidity in March: 73%

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

Average rainfall in March
Montevideo, Uruguay

Average rainfall in March - Montevideo, Uruguay
  • Average rainfall in March: 104.6mm

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

Average rainfall days in March
Montevideo, Uruguay

Average rainfall days in March - Montevideo, Uruguay
  • Average rainfall days in March: 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).

Average sea temperature in March
Montevideo, Uruguay

Average sea temperature in March - Montevideo, Uruguay
  • Average sea temperature in March: 22.4°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).

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

Average daylight in March / Average sunshine in March - Montevideo, Uruguay
  • Average daylight in March: 12h and 2min

The month with the longest days is December (Average daylight: 14h and 30min).
The month with the shortest days is June (Average daylight: 9h and 48min).

  • Average sunshine in March: 7h and 1min

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).

Average UV index in March
Montevideo, Uruguay

Average UV index in March - Montevideo, Uruguay
  • Average UV index in March: 9

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).

Montevideo, Uruguay

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