April weather forecast
Buenos Aires, Argentina

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The Congress Square monument in Buenos Aires, Argentina
The Congress Square monument in Buenos Aires, Argentina

Weather in April

April in Buenos Aires witnesses further transition into Autumn. The city experiences a continued drop in temperature, now placing the average highs and lows at 22.8°C (73°F) and 14.5°C (58.1°F) respectively. Although temperatures decrease, the city remains comfortably warm. The sunshine hours and rainfall are similar to March, striking a balance between sunny and rainy days. The sea temperature starts cooling off, making swimming less inviting for some.

Temperature

Transitioning from March to April involves a subtle drop in average high-temperatures, descending from a warm 26.2°C (79.2°F) to an agreeable 22.8°C (73°F). During the month of April, Buenos Aires's nighttime temperature lowers to an average of 14.5°C (58.1°F).

Humidity

In Buenos Aires, the average relative humidity in April is 69%.

Rainfall

In Buenos Aires, in April, it is raining for 9.5 days, with typically 44mm (1.73") of accumulated precipitation. Throughout the year, in Buenos Aires, there are 108.2 rainfall days, and 629mm (24.76") of precipitation is accumulated.

Sea temperature

In Buenos Aires, the average seawater temperature in April is 19.2°C (66.6°F).
Note: Most people find swimming in 19.2°C (66.6°F) to be not enjoyable. The control of one's breathing becomes more challenging as the water temperature drops below 21°C (69.8°F).

Daylight

In April, the average length of the day in Buenos Aires is 11h and 13min.
On the first day of the month, sunrise is at 07:06 and sunset at 18:47. On the last day of April, in Buenos Aires, Argentina, sunrise is at 07:29 and sunset at 18:12 -03.

Sunshine

The average sunshine in April is 8.3h.

UV index

In April, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index, 5 during April, leads to the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.

Frequently asked questions

What is the temperature in April in Buenos Aires?

Buenos Aires in April has an average high-temperature of 22.8°C (73°F) and an average low-temperature of 14.5°C (58.1°F). In February, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 32°C (89.6°F).

What is the average humidity in April in Buenos Aires?

In April, the average relative humidity in Buenos Aires, Argentina, is 69%.

How much does it rain in Buenos Aires in April?

In April, in Buenos Aires, the rain falls for 9.5 days. Throughout April, 44mm (1.73") of precipitation is accumulated.

How cold is the water in April in Buenos Aires?

In April, the average sea temperature in Buenos Aires, Argentina, is 19.2°C (66.6°F). For swimming, a surface water temperature of 19.2°C (66.6°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

What is the average length of the day in April in Buenos Aires?

In Buenos Aires, the average day length in April is 11h and 13min.

When are sunrise and sunset in April in Buenos Aires?

On the first day of April in Buenos Aires, sunrise is at 07:06 and sunset at 18:47. On the last day of the month, sunrise is at 07:29 and sunset at 18:12 -03.

How long on average sun shines in April in Buenos Aires?

In Buenos Aires, Argentina, the average sunshine duration in April is 8.3h.

What is the UV index intensity in April in Buenos Aires?

The average daily maximum UV index in April is 5. A UV Index reading of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.

Average temperature in April
Buenos Aires, Argentina

Average temperature in April - Buenos Aires, Argentina
  • Average high temperature in April: 22.8°C

The warmest month (with the highest average high temperature) is January (30.9°C).
The month with the lowest average high temperature is July (14°C).

  • Average low temperature in April: 14.5°C

The month with the highest average low temperature is January (20°C).
The coldest month (with the lowest average low temperature) is July (8.1°C).

Average pressure in April
Buenos Aires, Argentina

Average pressure in April - Buenos Aires, Argentina
  • Average pressure in April: 1016.6mbar

The month with the highest atmospheric pressure is July (1019.2mbar).
The month with the lowest atmospheric pressure is December (1011mbar).

Average wind speed in April
Buenos Aires, Argentina

Average wind speed in April - Buenos Aires, Argentina
  • Average wind speed in April: 13.6km/h

The windiest month (with the highest average wind speed) is September (15.8km/h).
The calmest month (with the lowest average wind speed) is March (13.2km/h).

Average humidity in April
Buenos Aires, Argentina

Average humidity in April - Buenos Aires, Argentina
  • Average humidity in April: 69%

The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is January (56%).

Average rainfall in April
Buenos Aires, Argentina

Average rainfall in April - Buenos Aires, Argentina
  • Average rainfall in April: 44mm

The wettest month (with the highest rainfall) is November (78mm).
The driest month (with the least rainfall) is June (38mm).

Average rainfall days in April
Buenos Aires, Argentina

Average rainfall days in April - Buenos Aires, Argentina
  • Average rainfall days in April: 9.5 days

The month with the highest number of rainy days is October (10.8 days).
The month with the least rainy days is August (7 days).

Average sea temperature in April
Buenos Aires, Argentina

Average sea temperature in April - Buenos Aires, Argentina
  • Average sea temperature in April: 19.2°C

The best month for swimming (with the highest average sea temperature) is January (25°C).
The coldest month (with the lowest average sea temperature) is July (11.9°C).

Average daylight in April /
Average sunshine in April
Buenos Aires, Argentina

Average daylight in April / Average sunshine in April - Buenos Aires, Argentina
  • Average daylight in April: 11h and 1min

The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).

  • Average sunshine in April: 8h and 2min

The month with the most sunshine is December (Average sunshine: 11h and 12min).
The month with the least sunshine is June (Average sunshine: 5h and 48min).

Average sunshine days in April
Buenos Aires, Argentina

Average sunshine days in April - Buenos Aires, Argentina
  • Average sunshine days in April: 19.8 days

The month with the most sunshine days is January (21.6 days).
The month with the least sunshine days is October (17.4 days).

Average UV index in April
Buenos Aires, Argentina

Average UV index in April - Buenos Aires, Argentina
  • Average UV index in April: 5

The month with the highest UV index is January (UV index 7).
The months with the lowest UV index are June and July (UV index 3).

Average cloud cover in April
Buenos Aires, Argentina

Average cloud cover in April - Buenos Aires, Argentina
  • Average cloud cover in April: 27

The month with the most cloud cover is July (Cloud cover 37).
The month with the least cloud cover is January (Cloud cover 17).

Average visibility in April
Buenos Aires, Argentina

Average visibility in April - Buenos Aires, Argentina
  • Average visibility in April: 10km

The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (10km).
The month with the lowest visibility is July (9km).

Buenos Aires, Argentina

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