Average Weather in October in Buenos Aires Argentina
Daily low temperatures increase by 5°F, from 55°F to 60°F, rarely falling below 47°F or exceeding 67°F.
For reference, on January 14, the hottest day of the year, temperatures in Buenos Aires typically range from 70°F to 83°F, while on July 18, the coldest day of the year, they range from 47°F to 57°F.
Average High and Low Temperature in October
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on October. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.
Average Hourly Temperature in October
The month of October in Buenos Aires experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 37% throughout the month.
The clearest day of the month is October 31, with clear, mostly clear, or partly cloudy conditions 65% of the time.
For reference, on June 1, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 51%, while on January 18, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 71%.
Cloud Cover Categories in October
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Buenos Aires, the chance of a wet day over the course of October is rapidly increasing, starting the month at 25% and ending it at 32%.
For reference, the year's highest daily chance of a wet day is 36% on February 8, and its lowest chance is 17% on August 12.
Probability of Precipitation in October
The average sliding 31-day rainfall during October in Buenos Aires is rapidly increasing, starting the month at 3.3 inches, when it rarely exceeds 6.0 inches or falls below 1.2 inches, and ending the month at 4.4 inches, when it rarely exceeds 8.1 inches or falls below 1.6 inches.
Average Monthly Rainfall in October
Over the course of October in Buenos Aires, the length of the day is rapidly increasing. From the start to the end of the month, the length of the day increases by 1 hour, 3 minutes, implying an average daily increase of 2 minutes, 5 seconds, and weekly increase of 14 minutes, 38 seconds.
The shortest day of the month is October 1, with 12 hours, 26 minutes of daylight and the longest day is October 31, with 13 hours, 29 minutes of daylight.
Hours of Daylight and Twilight in October
The latest sunrise of the month in Buenos Aires is 6:30 AM on October 1 and the earliest sunrise is 37 minutes earlier at 5:52 AM on October 31.
The earliest sunset is 6:56 PM on October 1 and the latest sunset is 25 minutes later at 7:21 PM on October 31.
Daylight saving time is not observed in Buenos Aires during 2018.
For reference, on December 21, the longest day of the year, the Sun rises at 5:37 AM and sets 14 hours, 29 minutes later, at 8:06 PM, while on June 21, the shortest day of the year, it rises at 8:00 AM and sets 9 hours, 50 minutes later, at 5:50 PM.
Sunrise & Sunset with Twilight in October
The chance that a given day will be muggy in Buenos Aires is increasing during October, rising from 2% to 8% over the course of the month.
For reference, on February 7, the muggiest day of the year, there are muggy conditions 51% of the time, while on July 18, the least muggy day of the year, there are muggy conditions 0% of the time.
Humidity Comfort Levels in October
The average hourly wind speed in Buenos Aires is essentially constant during October, remaining within 0.2 miles per hour of 11.2 miles per hour throughout.
For reference, on September 13, the windiest day of the year, the daily average wind speed is 11.5 miles per hour, while on May 6, the calmest day of the year, the daily average wind speed is 10.0 miles per hour.
Average Wind Speed in October
Wind Direction in October
Buenos Aires is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.
The average surface water temperature in Buenos Aires is increasing during October, rising by 5°F, from 60°F to 65°F, over the course of the month.
Average Water Temperature in October
Temperatures in Buenos Aires are sufficiently warm year round that it is not entirely meaningful to discuss the growing season in these terms. We nevertheless include the chart below as an illustration of the distribution of temperatures experienced throughout the year.
Time Spent in Various Temperature Bands and the Growing Season in October
The average accumulated growing degree days in Buenos Aires are increasing during October, increasing by 401°F, from 545°F to 946°F, over the course of the month.
Growing Degree Days in October
The average daily incident shortwave solar energy in Buenos Aires is increasing during October, rising by 1.3 kWh, from 5.4 kWh to 6.8 kWh, over the course of the month.
Average Daily Incident Shortwave Solar Energy in October
For the purposes of this report, the geographical coordinates of Buenos Aires are -34.613 deg latitude, -58.377 deg longitude, and 36 ft elevation.
The topography within 2 miles of Buenos Aires contains only modest variations in elevation, with a maximum elevation change of 207 feet and an average elevation above sea level of 72 feet. Within 10 miles also contains only modest variations in elevation (243 feet). Within 50 miles also contains only modest variations in elevation (482 feet).
The area within 2 miles of Buenos Aires is covered by artificial surfaces (47%), trees (14%), water (12%), and grassland (11%), within 10 miles by water (47%) and artificial surfaces (38%), and within 50 miles by cropland (29%) and water (28%).
This report illustrates the typical weather in Buenos Aires year round, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.
Temperature and Dew Point
There are 4 weather stations near enough to contribute to our estimation of the temperature and dew point in Buenos Aires.
For each station, the records are corrected for the elevation difference between that station and Buenos Aires according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.
The estimated value at Buenos Aires is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Buenos Aires and a given station.
The stations contributing to this reconstruction are: Jorge Newbery Airport (83%, 7 kilometers, northwest); Buenos Aires - Ministro Pistarini International Airport (11%, 27 kilometers, southwest); Colonia del Sacramento International Airport (3.5%, 58 kilometers, east); and La Plata Airport (3.3%, 59 kilometers, southeast).
Time zones for aiports and weather stations are provided by AskGeo.com .