Average Weather in January in Buenos Aires Mexico
Daily high temperatures are around 88°F, rarely falling below 82°F or exceeding 93°F. The lowest daily average high temperature is 88°F on January 5.
Daily low temperatures are around 59°F, rarely falling below 53°F or exceeding 65°F. The lowest daily average low temperature is 58°F on January 8.
For reference, on May 6, the hottest day of the year, temperatures in Buenos Aires typically range from 69°F to 99°F, while on January 8, the coldest day of the year, they range from 58°F to 88°F.
Average High and Low Temperature in January
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on January. 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 January
The month of January in Buenos Aires experiences gradually decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 44% to 37%.
The clearest day of the month is January 31, with clear, mostly clear, or partly cloudy conditions 63% of the time.
For reference, on September 2, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 92%, while on February 23, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 68%.
Cloud Cover Categories in January
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
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 January is essentially constant, remaining around 4% throughout.
For reference, the year's highest daily chance of a wet day is 70% on August 21, and its lowest chance is 1% on April 6.
Probability of Precipitation in January
The average sliding 31-day rainfall during January in Buenos Aires is essentially constant, remaining about 0.5 inches throughout, and rarely exceeding 2.2 inches or falling below -0.0 inches.
The highest average 31-day accumulation is 0.7 inches on January 23.
Average Monthly Rainfall in January
Over the course of January in Buenos Aires, the length of the day is gradually increasing. From the start to the end of the month, the length of the day increases by 18 minutes, implying an average daily increase of 35 seconds, and weekly increase of 4 minutes, 7 seconds.
The shortest day of the month is January 1, with 11 hours, 1 minute of daylight and the longest day is January 31, with 11 hours, 18 minutes of daylight.
Hours of Daylight and Twilight in January
The earliest sunrise of the month in Buenos Aires is 7:22 AM on January 1 and the latest sunrise is 2 minutes, 51 seconds later at 7:25 AM on January 18.
The earliest sunset is 6:22 PM on January 1 and the latest sunset is 19 minutes later at 6:41 PM on January 31.
Daylight saving time is observed in Buenos Aires during 2018, but it neither starts nor ends during January, so the entire month is in standard time.
For reference, on June 21, the longest day of the year, the Sun rises at 7:12 AM and sets 13 hours, 17 minutes later, at 8:29 PM, while on December 21, the shortest day of the year, it rises at 7:17 AM and sets 10 hours, 59 minutes later, at 6:16 PM.
Sunrise & Sunset with Twilight in January
The chance that a given day will be muggy in Buenos Aires is essentially constant during January, remaining around 0% throughout.
The lowest chance of a muggy day during January is 0% on January 26.
For reference, on September 3, the muggiest day of the year, there are muggy conditions 87% of the time, while on January 25, the least muggy day of the year, there are muggy conditions 0% of the time.
Humidity Comfort Levels in January
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The average hourly wind speed in Buenos Aires is essentially constant during January, remaining within 0.1 miles per hour of 4.5 miles per hour throughout.
For reference, on May 21, the windiest day of the year, the daily average wind speed is 5.9 miles per hour, while on November 4, the calmest day of the year, the daily average wind speed is 4.2 miles per hour.
Average Wind Speed in January
Wind Direction in January
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 January
The average accumulated growing degree days in Buenos Aires are rapidly increasing during January, increasing by 676°F, from 1°F to 677°F, over the course of the month.
Growing Degree Days in January
The average daily incident shortwave solar energy in Buenos Aires is gradually increasing during January, rising by 0.7 kWh, from 4.6 kWh to 5.4 kWh, over the course of the month.
Average Daily Incident Shortwave Solar Energy in January
For the purposes of this report, the geographical coordinates of Buenos Aires are 19.075 deg latitude, -102.180 deg longitude, and 1,568 ft elevation.
The topography within 2 miles of Buenos Aires contains significant variations in elevation, with a maximum elevation change of 787 feet and an average elevation above sea level of 1,589 feet. Within 10 miles contains significant variations in elevation (4,081 feet). Within 50 miles also contains extreme variations in elevation (12,077 feet).
The area within 2 miles of Buenos Aires is covered by cropland (73%) and trees (27%), within 10 miles by cropland (73%) and trees (26%), and within 50 miles by trees (54%) and cropland (31%).
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 2 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: General Francisco J. Mujica International Airport (54%, 149 kilometers, northeast) and Guadalajara International Airport (46%, 200 kilometers, northwest).
Time zones for aiports and weather stations are provided by AskGeo.com .