October weather forecast and climate
Buenos Aires, Argentina

The Congress Square monument in Buenos Aires, Argentina, in spring
The Congress Square monument in Buenos Aires, Argentina, in spring
October in Buenos Aires, Argentina, is an agreeable spring month, with average temperature fluctuating between 12.4°C (54.3°F) and 21.1°C (70°F).

Temperature

In October, the average high-temperature is relatively the same as in September - an agreeable 21.1°C (70°F). In Buenos Aires, the average low-temperature is 12.4°C (54.3°F).

Humidity

In October, the average relative humidity is 72%.

Rainfall

In Buenos Aires, during 10.8 rainfall days, 67mm (2.64") of precipitation is typically accumulated. In Buenos Aires, during the entire year, the rain falls for 108.2 days and collects up to 629mm (24.76") of precipitation.

Sea temperature

In Buenos Aires, Argentina, the average seawater temperature in October is 18°C (64.4°F).
Note: For swimming, a surface water temperature of 18°C (64.4°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).

Daylight

The average length of the day is 13h.

Sunshine

In Buenos Aires, the average sunshine is 8.3h.

UV index

In October, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in October in Buenos Aires?

In Buenos Aires, in October, the average high-temperature is 21.1°C (70°F), and the average low-temperature is 12.4°C (54.3°F).

What is the average humidity in October in Buenos Aires?

The average relative humidity in October is 72%.

How many days does it rain in October in Buenos Aires?

In October, in Buenos Aires, the rain falls for 10.8 days. Throughout October, 67mm (2.64") of precipitation is accumulated.

How cold is the water in October in Buenos Aires?

In Buenos Aires, the average seawater temperature in October is 18°C (64.4°F). Swimming in 18°C (64.4°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

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

In Buenos Aires, Argentina, the average length of the day in October is 13h.

How many hours of sunshine does Buenos Aires have in October?

In October, the average sunshine in Buenos Aires is 8.3h.

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

In October, the average daily maximum UV index in Buenos Aires is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from unsafe exposure to the Sun's UV rays.
Average temperature in October - Buenos Aires, Argentina
  • Average high temperature in October: 21.1°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 October: 12.4°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 October - Buenos Aires, Argentina
  • Average pressure in October: 1015.6mbar

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 October - Buenos Aires, Argentina
  • Average wind speed in October: 14.9km/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 October - Buenos Aires, Argentina
  • Average humidity in October: 72%

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

Average rainfall in October - Buenos Aires, Argentina
  • Average rainfall in October: 67mm

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

Average rainfall days in October - Buenos Aires, Argentina
  • Average rainfall days in October: 10.8 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 October - Buenos Aires, Argentina
  • Average sea temperature in October: 18°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 October / Average sunshine in October - Buenos Aires, Argentina
  • Average daylight in October: 13h

The month with the longest days is December (Average daylight: 14.4h).
The month with the shortest days is June (Average daylight: 9.9h).

  • Average sunshine in October: 8.3h

The month with the most sunshine is December (Average sunshine: 11.2h).
The month with the least sunshine is June (Average sunshine: 5.8h).

Average sunshine days in October - Buenos Aires, Argentina
  • Average sunshine days in October: 17.4 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 October - Buenos Aires, Argentina
  • Average UV index in October: 5

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

Average cloud cover in October - Buenos Aires, Argentina
  • Average cloud cover in October: 32

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

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).